Report

FCC ID: J2MPM5

Test Report

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FCCID_2286381

                                                                                       Serial No. GM214045f
                                                                                           FCC ID: J2MPM5




                                      FCC TEST REPORT
                                          FOR THE
                                       CONCEPT2, INC.
                                        MODEL PM5
                                   PERFORMANCE MONITOR
                                       FCC ID: J2MPM5


                                                    Prepared for:

                                                     Concept2, Inc.
                                                105 Industrial Park Drive
                                                 Morrisville, VT 05661
                                                          USA



                                                    Submitted by:

                            Green Mountain Electromagnetics, Inc.



                                                      GME
                                                        (802) 388-3390
                                                      (802) 388-6279 Fax
                                                     gme@gmelectro.com
                                      219 Blake Roy Road • Middlebury, Vermont 05753


                                                 Copyright: June 2, 2014




    Test Lab
   Cert 898.01

This report shall not be reproduced, except
in full, without the written approval of GME.


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


                                  Concept2, Inc.
                                   FCC Testing
                                        At
                        Green Mountain Electromagnetics, Inc.

Units: Model PM5 Performance Monitor
Received: 5/19/14
Tested: May 21 - 23, 2014


I. Applicable Standards:

The units described in this report were measured for verification of compliance with "47 CFR,
Part 15 – Radio Frequency Devices, Subpart C: Intentional Radiators," paragraph 15.209,
Radiated Emissions and 15.249, Operation within the 2400 – 2483.5 MHz Band. Measurement
procedures were in accordance with ANSI C63.4, "Methods of Measurement of Radio-Noise
Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40
GHz (2009)," and FCC OET Bulletin 65, "Evaluating Compliance with FCC Guidelines for
Human Exposure to Radiofrequency Electromagnetic Fields (Jan. 2001)."

Additionally, the units described in this report were measured for certification with the Code of
Federal Regulations Chapter 47 – "Telecommunication, Part 2 – Frequency Allocations and
Radio Treaty Matters: General Rules and Regulations, Subpart J – Equipment Authorization
Procedures." Measurements required were per paragraphs 2.1046 RF Power Output, 2.1047
Modulation Characteristics, 2.1049 Occupied Bandwidth, 2.1053 Field Strength of Spurious
Radiation, 2.1055 Frequency Stability and 2.1093 Radiofrequency Radiation Exposure
Evaluation: Portable Devices.


II. Measurement Location:

The GME laboratory and Open Area Test Site (OATS) are located at 219 Blake Roy Road,
Middlebury, VT. The OATS is a 10/3/1-meter site complete with antenna positioner, ground
plane and motorized turntable. The OATS is constructed in accordance with ANSI C63.7-2005
and complies with the requirements for radiated emissions testing in ANSI C63.4-2009 and
CISPR standards. GME is internationally accredited by the American Association for Laboratory
Accreditation (A2LA) and meets the quality requirements in ISO/IEC 17025 (2005), "General
Requirements for the Competence of Testing and Calibration Laboratories."

                                              Page 2 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                             Serial No. GM214045f
                                                                                  Concept2, Inc. FCC ID: J2MPM5


III. Unit Tested:

The Concept2, Inc. Model PM5 is a performance monitor used in stationary training equipment
for data logging/analysis and battery recharging. The PM5 uses DC-battery power and is
controlled by a front-panel, LCD-touchpad interface. It consists of the plastic enclosure, signal
connectors, the electronics, and the power input circuit. The PM5 has wireless capability using
two, 2.4-GHz transceivers (Nordic Semiconductor nRF51422/nRF51822 set for -4 dBm power
output and using channels 1-80). The PM5 is intended for use in a residential environment.
Model PM5 was connected to electrical loads to represent actual use of the products during
testing. The table below describes the units that were subjected to measurements determining
compliance with applicable standards:

The following table describes the system physical and electrical properties:

Model                 Volts/Amps                        H/W/D in cm                   Serial #
PM5                 3 VDC, two “D” cells             16/12/7                       310

The following table describes the support equipment used during testing:

Product                                    Manufacturer                               Model
Laptop PC                                  Apple                            A1005
Performance Monitors (2)                   Concept2                         PM4
USB Drive                                  ADATA                            4GB
Generator                                  Concept2                         n/a

Power/signal cables were used for testing and are supplied by the manufacturer. The following
table describes the unit cable:

Cable                              Manufacturer                             Description
Signal                        Jamer                           USB 2.0, UL E219485
Signal (2)                    CM                              Cat 5e Ethernet , UL E305668
Power/Signal                  Concept2                        2.5 mm Jack




                                               Page 3 of 31

   GME       GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


IV. Summary of Results:

The Concept2, Inc. Model PM5 complies with 47 CFR, Parts 2 and 15. Section X contains the
results summarized in the table below.

                              CFR 47             Frequency              Specified            Measured
         Test      Mode/Port Paragraph           Range/Level             Values              Values
1 Output Power     Transmit        2.1046   2.4 – 2.4835             94 dBuV/m           92 dBuV/m
                                  15.249(a) GHz
2 Modulation       Transmit       2.1047(d) All modulation           Per                 Within
  Characteristic                            products ANT+            Manufacturer        Tolerance
                                            & Bluetooth
3 Occupied         Transmit       2.1049(h) 2.4 – 2.4835             50 dB down          >50 dB
  Bandwidth                       15.249(d) GHz                      outside OBW
4 Frequency        Transmit         2.1055     2439.980 MHz          Battery End         2439.980 MHz
  Stability                                                          -30˚C to
                                                                     +50˚C
5 Radiated and     Enclosure        15.209     30 – 88 MHz           40 dBuV/m           Within
  Spurious                          15.249     88 – 216 MHz          43.5 dBuV/m         All Limits
  Emissions                         2.1053     216 – 960 MHz         46 dBuV/m
                                               960 – 24 GHz          54 dBuV/m
6 Exposure         Enclosure        2.1093     2.4 – 2.4835          0.08 W/kg           Within
  Evaluation                                   GHz                   Body                All Limits
                                                                     1.6 W/kg 1g
                                                                     Volume

Exploratory measurements indicate maximum radiation is found when the antenna polarization is
aligned with the EUT antenna and when the antenna is pointed directly at the EUT at scan
heights >10% of EUT height. Testing was performed by Kyle R. Kowalczyk, president, Green
Mountain Electromagnetics and requested by:

Concept2, Inc.
105 Industrial Park Drive
Morrisville, VT 05661
USA




                                 ___________________________
                                       Kyle R. Kowalczyk
                                             6/2/14
                                              Page 4 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


V. Equipment, Software and Cable Configuration:

GME witnessed the unit in satisfactory condition for testing, however the manufacturer is
responsible for ensuring that the equipment under test (EUT) represents the product line. The
manufacturer is also responsible for the test plan and for assuring that this report is consistent
with that plan. The EUT was operating in a continuous mode utilizing and testing its monitoring
functions. The EUT was also tested upon power up. The EUT configuration was arranged to
produce maximum radiated emissions as shown in the block diagram below. The equipment was
subjected to complete emissions tests per the manufacturer’s test plan.


     Antenna @
      3 Meters
      <1 GHz

                                               EUT                                   Support
          Antenna
          @ 1 Meter
           >1 GHz



                                                                                  Ground Plane

Block Diagram of FCC ID J2NPM5



VI. Units of Measurement and Uncertainty:

Measurements of radiated electric fields were made in units of dB referenced to 1 microvolt per
meter (dBuV/m). Limits appearing on the spectrum analyzer data were corrected for the
appropriate antenna factor, cable loss, amplifier gain (when used) and measurement distances
Xstd and Xsite in meters.

The following equation was employed:
Corrected Limit (dBuV) = Limit (dBuV/m) + 20 Log(Xstd/Xsite) + Amplifier Gain (dB) –
Antenna Factor (dB/m) – Cable Loss (dB).
Sample calculation at 30 MHz (Vertical Polarization):
51.8 dBuV corrected limit = 40.0 dBuV/m limit + 20 log(3/3) dB distance + 30 dB amp gain –
17.2dB/m AF – 1 dB cable loss.

                                              Page 5 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                              Serial No. GM214045f
                                                                                   Concept2, Inc. FCC ID: J2MPM5


    Uncertainty
    The uncertainty budgets in GME EMC measurements are identified as follows:

    1. Field strength between 30 MHz and 26 GHz on a three-meter OATS using broadband
    antennas:

    Contribution                     Probability Distribution          Uncertainty (dB)
    antenna factor calibration       normal k=2                        0.5
    cable loss calibration           normal k=2                        0.5
    analyzer specification           rectangular                       1.5
    distance variation               rectangular                       0.6
    height variation                 rectangular                       0.5
    site imperfection                rectangular                       2.0
    mismatch                         u-shaped                          1.5
    repeatability                    standard deviation                0.5
    combined uncertainty u(y)        normal                            1.946
    expanded uncertainty U           normal k=2                        3.892

                 0.5 2 0.5 2 1.5 2 + 0.6 2 + .5 2 + 2.0 2 1.5 2
     u(y) = (       ) +( ) +                             +      + 0.5 2
                  2     2                  3                2
    U = k u(y)


€   Other GME uncertainty values are available upon request. Note: "U" represents an expanded
    uncertainty expressed at an approximately 95% confidence level using a coverage factor of k=2.


    VII. Measuring Equipment:

    The table below describes the instrumentation used by Green Mountain Electromagnetics to
    perform this testing:

    Unit                 Manufacturer        Model                 Serial #        Last Cal.       Next Cal.
    Spectrum            HP                  8592L                  3624A00631      12/2/13         12/2/14
    Analyzer
    Spectrum            GW Instek           GSP-830                E1180708        9/11/13         9/11/14
    Analyzer
    Broadband           ARA                 LPB-2513/A             1224            11/04/13        11/04/14
    E-field Antenna
    Horn Antenna        EMCO                3115                   2418            10/10/13        10/10/14

                                                    Page 6 of 31

       GME        GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


Pre-Amplifier     MiniCircuits        ZKL-2R5+               739045986       11/19/13        11/19/14
Power Amplifier MiniCircuits          ZVE-8G                 n/a             1/7/14          1/7/15
Weather Station Davis Insts.          Perception II          PC30923A07      1/22/14         1/22/15
E-field Meter     Wandel     & EMR-30                        F-0049          10/18/13        10/18/14
w/ Probe          Goltermann   w/ 2244/90.21                 F-0038
                  w/NARDA
Temperature-      PTC                 RHTemp101              N00532          8/8/13          8/8/14
Humidity Probe
Temperature-      Thermotron          SM8S                   25-2300-04      n/a             n/a
Humidity
Chamber



VIII. Measurement Procedures:

1. RF Power Output.
      Specification: <50,000 uV/m (100% Duty) @ 3m
a.  Set up EUT on OATS and test instrumentation in laboratory.
b. Verify spectrum analyzer and EUT operation.
      i. Spectrum analyzer uses internal attenuators.
      ii. Set analyzer to carrier frequency and use span >OBW.
c.  Operate EUT at normal power unmodulated.
d. Record level displayed on analyzer.

2. Modulation Characteristic.
      Specification: Modulation Products per Bluetooth and ANT+
a.  Set up EUT on OATS and test instrumentation in laboratory.
b. Verify analyzer and EUT operation.
      i. Spectrum analyzer uses internal attenuators.
      ii. Set analyzer to carrier frequency and use span necessary to view all modulation
          products.
c.  Operate EUT with standard modulation.
d. Record signal displayed on analyzer.

3. Occupied Bandwidth.
     Specification: 50-dB down outside 2.4 – 2.4835 GHz
a.   Set up EUT and test instrumentation in laboratory.
b. Verify analyzer and EUT operation.
                                              Page 7 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


       i. Spectrum analyzer uses internal attenuators.
       ii. Set analyzer to carrier frequency and use RBW <10 % of span.
c.    Operate EUT with standard modulation.
d.    Record signal displayed on analyzer.

4. Frequency Stability.
      Frequency Band: 2.4 – 2.4835 GHz
      Voltage Specification: Battery End Point Normal Operation
a.   Set up EUT in temperature chamber and test instrumentation in laboratory.
b. Verify analyzer and EUT operation.
      i. Spectrum analyzer uses internal attenuators.
      ii. Set analyzer to carrier frequency and use narrowband span.
c.   Operate EUT with standard modulation.
d. Record signal displayed on analyzer for high/low temperature and voltage.

5. Radiated Emissions.
      Frequency range: 30 MHz to 88 MHz
      Limit: 40 dBuV/m @ 3 meters
      Frequency range: 88 kHz to 216 MHz
      Limit: 43.5 dBuV/m @ 3 meters
      Frequency range: 216 MHz to 960 MHz
      Limit: 46 dBuV/m @ 3 meters
      Frequency range: 960 MHz to 25 GHz & Spurious >960 MHz
      Limit: 54 dBuV/m @ 3 meters
a.   Set up instrumentation at open area test site.
      i. Mount EUT on ground plane and broadband antenna on antenna positioner.
      ii. Observe temperature, humidity and atmospheric pressure.
      iii. Measurement distance is 3 meters <1 GHz/1 meter >1 GHz and antenna scan height is
           1 to 4 meters. Use RF absorber on ground plane >1 GHz.
b. Verify spectrum analyzer and antenna operation.
      i. Spectrum analyzer is connected to antenna. Use broadband horn >1 GHz.
      ii. Preamplifier is inserted between antenna and analyzer to ensure analyzer noise thres-
           hold is at least 6 dB below specification limit.
c.   Set up, power and operate EUT as in block diagram in Section V.
d. Perform preliminary evaluation of equipment in the near field.
      i. Vary antenna height, antenna polarization, and antenna orientation to EUT.
      ii. Repeat step d.i. while evaluating radiation in the 30-MHz to 25 GHz spectrum.
      iii. Refer to ANSI C63.4-2009: for exploratory measurements >1 GHz.
e.   Determine frequencies and equipment orientations that produce maximum radiation.

                                              Page 8 of 31

     GME    GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                         Serial No. GM214045f
                                                                              Concept2, Inc. FCC ID: J2MPM5


       i. Identify processor, clock and beat frequencies, and harmonics.
f.    Perform final evaluation of unit by recording spectrum analyzer data.
       i. Ensure the EUT is producing the maximum radiation found in step e.
       ii. Collect data over the entire frequency range.
       iii. Refer to ANSI C63.4-2009: for final measurements >1 GHz – Manually ensure
            measurement antenna is in cone of radiation for emission areas determined in steps
            d.-e. by adjusting in both azimuth and elevation positions. Polarization is oriented for
            maximum response.

6. Exposure Evaluation.
      Frequency: 2.4 GHz
      Limit: 0.8 W/kg and 1.6 W/kg
a.   Set up instrumentation at open area test site.
      i. Mount EUT on table and isotropic probe or loop on antenna positioner.
      ii. Observe temperature, humidity and atmospheric pressure.
      iii. Measurement distance is 1 meter and antenna scan height is varied over human body
           dimensions (0.1 to 2 meters).
b. Verify E-field meter operation.
c.   Set up, power and operate EUT as described in Section V.
d. Perform preliminary evaluation of equipment in the near field.
      i. Vary probe height, probe polarization, and probe orientation to EUT.
      ii. Repeat step d.i. while evaluating electromagnetic radiation at 2.4 GHz.
      iv. Near field measurements of unit emissions are made at ambient frequencies.
e.   Determine equipment orientations that produce maximum radiation.
      i. Set peak hold on meter for 30 minutes while slowly varying probe height.
f.   Perform final evaluation of unit by recording spectrum analyzer data.
      i. Ensure the EUT is producing the maximum radiation found in step e.
      ii. Collect data over the entire frequency range.
      iii. Identify all ambient signals.




                                               Page 9 of 31

     GME     GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


IX. Photographs of Measurement Setup:

The following pages are photographs of the equipment as it was tested.




                             Photograph 1 – EUT on OATS <1 GHz




                                             Page 10 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                  Serial No. GM214045f
                                                                       Concept2, Inc. FCC ID: J2MPM5




                          Photograph 2 – EUT on OATS >1 GHz




                                       Page 11 of 31

GME   GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                  Serial No. GM214045f
                                                                       Concept2, Inc. FCC ID: J2MPM5




                        Photograph 3 – EUT in T/H Chamber




                                       Page 12 of 31

GME   GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results:

1. RF Power Output.

       Specification    Specification     Amplifier      Antenna      Cable         Corrected
                                                          Factor      Loss           Limit
           uV/m           dBuV/m              dB            dB          dB            dBuV
          50,000              94             30.0           29.0         1              94

                                   Table 1 – RF-Power Corrected Limit

Corrected Power (dBm) = Specification (dBuV/m) + Amplifier (dB) – Antenna Factor (dB/m) –
Cable Loss (dB).
                                         PM5 nRF51422




                                            Page 13 of 31

  GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                       Serial No. GM214045f
                                                                            Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results:

1. RF Power Output.

        Specification   Specificatio     Amplifier     Antenna      Cable        Corrected
                             n                          Factor      Loss          Limit
            uV/m          dBuV/m            dB              dB        dB           dBuV
           50,000             94            30.0            29.0       1             94

                                   Table 2 – RF-Power Corrected Limit

Corrected Power (dBm) = Specification (dBuV/m) + Amplifier (dB) – Antenna Factor (dB/m) –
Cable Loss (dB).
                                          PM5 nRF51822




                                            Page 14 of 31

  GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

2. Modulation Characteristic.

Black trace is Bluetooth, Brown trace is ANT+.


                                                  PM5 nRF51422




                                                        6 MHz




                                             Page 15 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

2. Modulation Characteristic.

Black trace is Bluetooth.

                                              PM5 nRF51822




                                             Page 16 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                      Serial No. GM214045f
                                                                           Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

3. Occupied Bandwidth.




                                                   PM5 nRF51422




                                           Page 17 of 31

  GME     GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                      Serial No. GM214045f
                                                                           Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

3. Occupied Bandwidth.



                                           PM5 nRF51822




                                           Page 18 of 31

  GME     GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

4. Frequency Stability.
       Frequency: 2439.980 MHz
       Specification: 3 VDC (Normal Operation)
The graph below is the baseline for the measurements.




                                             Page 19 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

4. Frequency Stability.
      Frequency: 2439.980 MHz
      Specification: 3 VDC to Battery End (Normal Operation)

The tables below show that there is not any variation in frequency with selected applied voltage
or temperature:



                        Voltage (VDC)                  Frequency (MHz)
                                3                            2439.980
                               2.8                           2439.980
                               2.6                           2439.980

                             Table 3 – Frequency Vs. Voltage – PM5



                       Temperature (˚C)                Frequency (MHz)
                               -30                           2439.980
                               -20                           2439.980
                               -10                           2439.980
                                0                            2439.980
                               10                            2439.980
                               20                            2439.980
                               30                            2439.980
                               40                            2439.980
                               50                            2439.980

                          Table 4 – Frequency Vs. Temperature – PM5




                                             Page 20 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

5. Radiated Emissions.

Vertical Polarization
The table below describes the correction factors necessary to apply the limit to the spectrum
analyzer output. The following page contains the spectrum analyzer output with the corrected
specification limits superimposed. The green trace is the ambient condition, and the orange trace
identifies EUT emissions. Maximum amplitudes of vertical polarization are shown in the results
below.

Note: Occasional known ambient signals may persist (e.g. local AM/FM/Cell). Unit produced
no discernible emissions so data is interpolated through any known ambient signal. Units
producing in-band emissions are examined at nearer measurement distances.



           Frequency       IR limit @        Amp       Antenna      Cable        Corrected
                               3m            Gain       Factor      Loss          Limit
              MHz             dBuV            dB             dB       dB            dBuV
               30               40            30         17.2          1             51.8
               50               40            30         13.6          1             55.4
               88               40            30             7.5       1             61.5
               89              43.5           30             7.5       1             65.0
              125              43.5           30             8.9       2             62.6
              150              43.5           30         12.2          3             58.3
              216              43.5           30         11.6          3             58.9
              217               46            30         11.6          3             61.4
              300               46            30         13.9          3             59.1
              500               46            30         16.9          6             53.1
              960               46            30         23.2          8             44.8
              961               54            30         23.2          8             52.8

                        Table 5 – Corrected Limit - Vertical Polarization



                                             Page 21 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                       Serial No. GM214045f
                                                                            Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

5. Radiated Emissions.

                                                  PM5
                                    Maximum of Vertical Polarization
                                 All Ambient – No Discernible Emissions
                                              in Near Field




          FM
          & TV

                                                                                Cell &
                                            FCC IR Limit                        PCS




                                            Page 22 of 31

  GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

5. Radiated Emissions.

Horizontal Polarization
The table below describes the correction factors necessary to apply the limit to the spectrum
analyzer output. The following page contains the spectrum analyzer output with the corrected
specification limits superimposed. The green trace is the ambient condition, and the orange trace
identifies EUT emissions. Maximum amplitudes of horizontal polarization are shown in the
results below.

Note: Occasional known ambient signals may persist (e.g. local AM/FM/Cell). Unit produced
no discernible emissions so data is interpolated through any known ambient signal. Units
producing in-band emissions are examined at nearer measurement distances.



           Frequency       IR limit @        Amp       Antenna      Cable        Corrected
                               3m            Gain       Factor      Loss          Limit
              MHz             dBuV            dB             dB       dB            dBuV
               30               40            30         16.2          1             52.8
               50               40            30         14.8          1             54.2
               88               40            30             6.7       1             62.3
               89              43.5           30             6.7       1             65.8
              125              43.5           30         10.3          2             61.2
              150              43.5           30         12.3          3             58.2
              216              43.5           30         11.6          3             58.9
              217               46            30         11.6          3             61.4
              300               46            30         13.3          3             59.7
              500               46            30         16.6          6             53.4
              960               46            30         22.8          8             45.2
              961               54            30         22.8          8             53.2

                       Table 6 – Corrected Limit - Horizontal Polarization



                                             Page 23 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                       Serial No. GM214045f
                                                                            Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

5. Radiated Emissions.



                                                  PM5
                                  Maximum of Horizontal Polarization
                                 All Ambient – No Discernible Emissions
                                              in Near Field




               FM
               & TV

                                                                                      Cell &
                                           FCC IR Limit                               PCS




                                            Page 24 of 31

  GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                         Serial No. GM214045f
                                                                              Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

5. Radiated Emissions.

Vertical & Horizontal Polarization >1 GHz.
The table below describes the correction factors necessary to apply the limit to the spectrum
analyzer output. The following pages contain the spectrum analyzer output with the corrected
specification limits superimposed. The green trace is the ambient condition, and the orange trace
identifies EUT emissions. Maximum amplitudes of both polarizations are shown in the results
below.



        Frequency           IR limit          Amp        Antenna       Cable          Corrected
                             @ 3m             Gain        Factor       Loss            Limit

           MHz               dBuV              dB            dB          dB             dBuV
           1000                54              30            24           3               57
           2400                54              30            28           6               50
           2750                54              30            31           7               46

                               Table 7 – Corrected Limit - >1 GHz




                                             Page 25 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                       Serial No. GM214045f
                                                                            Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

5. Radiated Emissions.




                                                PM5
                                          Maximum of Vertical
                                             Polarization




                                              FCC IR Limit




                                            Page 26 of 31

  GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                       Serial No. GM214045f
                                                                            Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

5. Radiated Emissions.




                                             PM5
                                      Maximum of Horizontal
                                          Polarization




                                               FCC IR Limit




                                            Page 27 of 31

  GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                         Serial No. GM214045f
                                                                              Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

5. Radiated Emissions.

Vertical & Horizontal Polarization >3 GHz.
The table below describes the correction factors necessary to apply the limit to the spectrum
analyzer output. The following page contains the spectrum analyzer output with the corrected
specification limits superimposed. The black trace is the ambient condition, and the green trace
identifies EUT emissions. Maximum amplitudes of both polarizations are shown in the results
below.



   Frequency          IR limit        Distance        Amp        Antenna       Cable          Corrected
                       @3m           Correction       Gain        Factor       Loss            Limit
                                       *Note
       GHz             dBuV              dB            dB           dB           dB             dBuV
        3                54              20             40         35.0           8               71
       25                54              20             40         46.0          12               56

                                 Table 8 – Corrected Limit - >3 GHz

   •   Unit brought to 30 cm of antenna.
   •   Near field at >3 GHz is <10 cm, so antenna is not in reactive field of EUT.

Limits appearing on the spectrum analyzer data were corrected for the appropriate antenna
factor, cable loss, amplifier gain (when used) and measurement distances Xstd and Xsite in meters.

The following equation was employed:
   • Corrected Limit (dBuV) = Limit (dBuV/m) + 20 Log(Xstd/Xsite) + Amplifier Gain (dB) –
       Antenna Factor (dB/m) – Cable Loss (dB).
   • Sample calculation at 2750 MHz:
   • 71 dBuV corrected limit = 54.0 dBuV/m limit + 20 log(3/0.3) dB distance + 40 dB amp
       gain – 35 dB/m AF – 8 dB cable loss.
   • Note that 20 Log(Xstd/Xsite) = 20 Log 3/0.3 = 20 dB




                                              Page 28 of 31

   GME       GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                       Serial No. GM214045f
                                                                            Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

5. Radiated Emissions.


                                                 PM5
                                           Maximum of Vertical
                                              Polarization




                                              FCC IR Limit




                                            Page 29 of 31

  GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                       Serial No. GM214045f
                                                                            Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

5. Radiated Emissions.


                                                 PM5
                                          Maximum of Horizontal
                                              Polarization




                              FCC IR Limit




                                            Page 30 of 31

  GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com


                                                                                        Serial No. GM214045f
                                                                             Concept2, Inc. FCC ID: J2MPM5


X. Measurement Results Cont'd:

6. Exposure Evaluation.

The analysis below compares the measured power to the maximum permissible exposure limit
for general population with uncontrolled access. The PM5 can be used continuously; no special
averaging time or limit relaxations are employed. Maximum peak available power is used in
calculations.

Unit Frequency: 2.4 GHz
Unit Maximum Average Power .001 Watt available (-4 dBm from design)
Standard User Weight: 100 kg

Specific Absorption Rate (SAR) Limit for whole-body: 0.08 W/kg
Specific Absorption Rate (SAR) Limit for one-gram tissue volume: 1.6 W/kg

SAR Whole body = .001 W/100 kg = 0.00001 W/kg for PM5
SAR 1g tissue = .001 W/.001 kg * = 1 W/kg for PM5

In addition per IEEE C95.1 paragraph 6.10 (2): low power devices are unlikely to expose users
in excess of the criteria when power is less than or equal to:
Pmax = 1.4 * (450/f) Watts where f is in MHz.
Pmax is significantly greater than the power available at the PM5:
Pmax = 1.4 * (450/2400) = 0.26 W.




                                             Page 31 of 31

   GME      GME, Inc. • 219 Blake Roy Road • Middlebury, VT 05753 • Tel: 802-388-3390 • gmelectro.com



Document Created: 4690-11-05 00:00:00
Document Modified: 4690-11-05 00:00:00

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