Test Report

FCC ID: NMTBAR218HGX-01

Test Report

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FCCID_4085820

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

TABLE OF CONTENTS

GENERAL INFORMATION .......................................................................................................................................4
PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) .....................................................................................4
OBJECTIVE ...................................................................................................................................................................4
RELATED SUBMITTAL(S)/GRANT(S) .............................................................................................................................4
TEST METHODOLOGY ..................................................................................................................................................4
MEASUREMENT UNCERTAINTY ....................................................................................................................................5
TEST FACILITY .............................................................................................................................................................5
SYSTEM TEST CONFIGURATION ..........................................................................................................................6
DESCRIPTION OF TEST CONFIGURATION ......................................................................................................................6
EQUIPMENT MODIFICATIONS .......................................................................................................................................6
EUT EXERCISE SOFTWARE ..........................................................................................................................................6
SUPPORT EQUIPMENT LIST AND DETAILS ....................................................................................................................7
SUPPORT CABLE LIST AND DETAILS ............................................................................................................................7
BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................8
SUMMARY OF TEST RESULTS ...............................................................................................................................9
FCC §15.247 (i) & §1.1310 & §2.1093- RF EXPOSURE..........................................................................................10
APPLICABLE STANDARD ............................................................................................................................................10
FCC §15.203 - ANTENNA REQUIREMENT...........................................................................................................11
APPLICABLE STANDARD ............................................................................................................................................11
ANTENNA INFORMATION AND CONNECTOR CONSTRUCTION.....................................................................................11
FCC §15.209, §15.205, §15.247(d) - SPURIOUS EMISSIONS .................................................................................12
APPLICABLE STANDARD ............................................................................................................................................12
EUT SETUP ................................................................................................................................................................12
EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP ..............................................................................................13
TEST PROCEDURE ......................................................................................................................................................13
CORRECTED AMPLITUDE & MARGIN CALCULATION .................................................................................................13
TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................14
TEST DATA ................................................................................................................................................................14
FCC §15.247(a) (2) –6 dB EMISSION BANDWIDTH .............................................................................................20
APPLICABLE STANDARD ............................................................................................................................................20
TEST PROCEDURE ......................................................................................................................................................20
TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................20
TEST DATA ................................................................................................................................................................20
FCC §15.247(b) (3) - MAXIMUM PEAK CONDUCTED OUTPUT POWER ......................................................23
APPLICABLE STANDARD ............................................................................................................................................23
TEST PROCEDURE ......................................................................................................................................................23
TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................23
TEST DATA ................................................................................................................................................................24
FCC §15.247(d) – 100 kHz BANDWIDTH OF FREQUENCY BAND EDGE .......................................................26
APPLICABLE STANDARD ............................................................................................................................................26
TEST PROCEDURE ......................................................................................................................................................26
TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................26
TEST DATA ................................................................................................................................................................26
FCC §15.247(e) - POWER SPECTRAL DENSITY .................................................................................................28
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Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

APPLICABLE STANDARD ............................................................................................................................................28
TEST PROCEDURE ......................................................................................................................................................28
TEST EQUIPMENT LIST AND DETAILS .........................................................................................................................28
TEST DATA ................................................................................................................................................................28

Page 3 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

GENERAL INFORMATION
Product Description for Equipment under Test (EUT)

EUT Name: thermometer
EUT Model: BAR218HGX
FCC ID: NMTBAR218HGX-01
Rated Input Voltage: DC 4.5V
External Dimension: 186mm(L)*94mm(W)*54mm(H)
Serial Number: 181016056
EUT Received Date: 2018.10.16

Objective
This report is prepared on behalf of IDT Technology Limited in accordance with Part 2, Subpart J, Part 15,
Subparts A, and C of the Federal Communications Commission’s rules.

The tests were performed in order to determine the compliance of the EUT with FCC Rules Part 15-
Subpart C, section 15.203, 15.205, 15.209, 15.247 rules.

Related Submittal(s)/Grant(s)
Part of system submissions with FCC ID: NMTTHGR511-01.

Test Methodology
All measurements contained in this report were conducted with ANSI C63.10-2013, American National
Standard of Procedures for Compliance Testing of Unlicensed Wireless Devices and 558074 D01 15.247
Meas Guidance v05.

All emissions measurement was performed and Bay Area Compliance Laboratories Corp. (Dongguan).

Page 4 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

Measurement Uncertainty
Parameter Measurement Uncertainty
Occupied Channel Bandwidth ±5 %
RF output power, conducted ±0.61dB
Power Spectral Density, conducted ±0.61 dB
30M~200MHz: 4.55 dB,200M~1GHz: 5.92 dB,1G~6GHz: 4.98 dB,
Unwanted Emissions, radiated
6G~18GHz: 5.89 dB,18G~26.5G:5.47 dB,26.5G~40G:5.63 dB
Unwanted Emissions, conducted ±1.5 dB
Temperature ±1℃
Humidity ±5%
DC and low frequency voltages ±0.4%
Duty Cycle 1%
AC Power Lines Conducted Emission 3.12 dB (150 kHz to 30 MHz)

Test Facility
The Test site used by Bay Area Compliance Laboratories Corp. (Dongguan) to collect test data is located
on the No.69 Pulongcun, Puxinhu Industry Area, Tangxia, Dongguan, Guangdong, China.

The test site has been approved by the FCC under the KDB 974614 D01 and is listed in the FCC Public
Access Link (PAL) database, FCC Registration No. : 897218,the FCC Designation No. : CN1220.

The test site has been registered with ISED Canada under ISED Canada Registration Number 3062D.

Page 5 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

SYSTEM TEST CONFIGURATION
Description of Test Configuration
The system was configured for testing in engineering mode.
For Bluetooth LE mode, 40 channels are provided for testing:

Frequency Frequency
Channel Channel
(MHz) (MHz)
0 2402 20 2442
1 2404 … …
… … … …
… … … …
.. … 38 2478
19 2440 39 2480

EUT was tested with channel 0, 19 and 39.

Equipment Modifications
No modification was made to the EUT tested.

EUT Exercise Software
Test software: ' SmartRF_Studio7 V2.11.0 ' was used in test, the system configured the maximum power
level as default setting.

Frequency
Mode Channel Power level
(MHz)
Low 2402 0
BLE Middle 2440 0
High 2480 0

The duty cycle as below:

Ton Ton+off Duty Cycle
(ms) (ms) (%)
100 100 100

Page 6 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

SUMMARY OF TEST RESULTS

FCC Rules Description of Test Result

§15.247 (i) & §1.1310 &
RF Exposure Compliance
§2.1093
§15.203 Antenna Requirement Compliance

§15.207 (a) AC Line Conducted Emissions Not applicable
§15.205, §15.209,
Spurious Emissions Compliance
§15.247(d)
§15.247 (a)(2) 6 dB Bandwidth Compliance

§15.247(b)(3) Maximum Conducted Output Power Compliance

§15.247(d) 100 kHz Bandwidth of Frequency Band Edge Compliance

§15.247(e) Power Spectral Density Compliance

Not applicable: The EUT is powered by battery.

Page 9 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

FCC §15.247 (i) & §1.1310 & §2.1093- RF EXPOSURE
Applicable Standard
According to§15.247(i) and §1.1310, systems operating under the provisions of this section shall be
operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of
the Commission’s guideline.

According to KDB447498 D01 General RF Exposure Guidance v06:

The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50
mm are determined by:
[(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance,
mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where
• f(GHz) is the RF channel transmit frequency in GHz
• Power and distance are rounded to the nearest mW and mm before calculation
• The result is rounded to one decimal place for comparison
• 3.0 and 7.5 are referred to as the numeric thresholds in the step 2 below

The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for
transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5
mm, a distance of 5 mm according to 5) in section 4.1 is applied to determine SAR test exclusion.

Measurement Result

The max conducted power including tune-up tolerance is 0 dBm (1.0 mW).
[(max. power of channel, mW)/(min. test separation distance, mm)][√f(GHz)]
=1.0/5*(√2.480) = 0.3< 3.0

So the stand-alone SAR evaluation is not necessary.

Page 10 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

FCC §15.203 - ANTENNA REQUIREMENT
Applicable Standard
According to § 15.203, an intentional radiator shall be designed to ensure that no antenna other than that
furnished by the responsible party shall be used with the device. The use of a permanently attached
antenna or of an antenna that uses a unique coupling to the intentional radiator shall be considered
sufficient to comply with the provisions of this section. The manufacturer may design the unit so that a
broken antenna can be replaced by the user, but the user of a standard antenna jack or electrical connector
is prohibited. The structure and application of the EUT were analyzed to determine compliance with
section §15.203 of the rules. §15.203 state that the subject device must meet the following criteria:

a. Antenna must be permanently attached to the unit.
b. Antenna must use a unique type of connector to attach to the EUT.
c. Unit must be professionally installed, and installer shall be responsible for verifying that the correct
antenna is employed with the unit.

Antenna Information And Connector Construction
The EUT has one internal antenna arrangement for BLE, and the antenna gain is 0 dBi, fulfill the
requirement of this section. Please refer to the EUT photos.

Result: Compliance.

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Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

EMI Test Receiver & Spectrum Analyzer Setup

The system was investigated from 30 MHz to 25 GHz.

During the radiated emission test, the EMI test receiver & Spectrum Analyzer Setup were set with the
following configurations:

30MHz-1000MHz:

Measurement RBW Video B/W IF B/W
QP 120 kHz 300 kHz 120kHz

1GHz- 25GHz:

Measurement Duty cycle RBW Video B/W
PK Any 1MHz 3 MHz
>98% 1MHz 10 Hz
Ave.
<98% 1MHz 1/T

Note: T is minimum transmission duration

Test Procedure

Maximizing procedure was performed on the highest emissions to ensure that the EUT complied with all
installation combinations.

Data was recorded in Quasi-peak detection mode for frequency range of 30 MHz-1 GHz, peak and
Average detection modes for frequencies above 1 GHz.

Corrected Amplitude & Margin Calculation

The Corrected Amplitude is calculated by adding the Antenna Factor and Cable Loss, and subtracting the
Amplifier Gain from the Meter Reading. The basic equation is as follows:

Corrected Amplitude = Meter Reading + Antenna Factor + Cable Loss - Amplifier Gain

The “Margin” column of the following data tables indicates the degree of compliance with the applicable
limit. For example, a margin of 7dB means the emission is 7dB below the limit. The equation for margin
calculation is as follows:

Margin = Limit –Corrected Amplitude

Page 13 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

Test Equipment List and Details

Serial Calibration Calibration
Manufacturer Description Model
Number Date Due Date
R&S EMI Test Receiver ESCI 100224 2017-12-11 2018-12-11
Farad Test Software EZ-EMC V1.1.4.2 N/A N/A
Sunol Sciences Antenna JB3 A060611-1 2017-11-10 2020-11-10
Unknown Coaxial Cable C-NJNJ-50 C-0400-01 2018-09-05 2019-09-05
Unknown Coaxial Cable C-NJNJ-50 C-0075-01 2018-09-05 2019-09-05
Unknown Coaxial Cable C-NJNJ-50 C-1000-01 2018-09-05 2019-09-05
HP Amplifier 8447D 2727A05902 2018-09-05 2019-09-05
Agilent Spectrum Analyzer E4440A SG43360054 2018-01-04 2019-01-04
ETS-Lindgren Horn Antenna 3115 000 527 35 2016-01-05 2019-01-04
Ducommun 1007726-01
Horn Antenna ARH-4223-02 2016-11-18 2019-11-18
Technolagies 1304
Unknown Coaxial Cable C-SJSJ-50 C-0800-01 2018-09-05 2019-09-05
Unknown Coaxial Cable C-2.4J2.4J-50 C-0700-02 2018-06-27 2019-06-27
AFS42-00101800-
MITEQ Amplifier 2001271 2018-09-05 2019-09-05
25-S-42
Quinstar Amplifier QLW-18405536-JO 15964001001 2018-06-27 2019-06-27
OBSF-2400-2483.5-
E-Microwave Band-stop Filters OE01601525 2018-06-16 2019-06-16
S
Micro-tronics High Pass Filter HPM50111 S/N-G217 2018-06-16 2019-06-16

* Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations have
been performed, traceable to National Primary Standards and International System of Units (SI).

Test Data

Environmental Conditions

Temperature: 25.6 ~ 27.5 C
Relative Humidity: 37 ~ 42 %
ATM Pressure: 100.4 ~ 100.5 kPa

* The testing was performed by Tyler Pan & Vern Shen on 2018-10-26 & 2018-11-03.

Test Mode: Transmitting

Page 14 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

2) 1-25GHz:

Receiver Rx Antenna Cable Amplifier Corrected
Frequency Limit Margin
Reading Polar Factor loss Gain Amplitude
(MHz) Remark (dBμV/m) (dB)
(dBμV) (H/V) (dB/m) (dB) (dB) (dBμV/m)
Low Channel: 2402 MHz
2402.00 62.86 PK H 28.10 1.80 0.00 92.76 N/A N/A
2402.00 62.03 AV H 28.10 1.80 0.00 91.93 N/A N/A
2402.00 64.07 PK V 28.10 1.80 0.00 93.97 N/A N/A
2402.00 63.21 AV V 28.10 1.80 0.00 93.11 N/A N/A
2390.00 25.87 PK V 28.08 1.80 0.00 55.75 74.00 18.25
2390.00 14.79 AV V 28.08 1.80 0.00 44.67 54.00 9.33
4804.00 55.21 PK V 32.91 3.17 37.20 54.09 74.00 19.91
4804.00 50.49 AV V 32.91 3.17 37.20 49.37 54.00 4.63
7206.00 45.88 PK V 35.74 4.82 37.23 49.21 74.00 24.79
7206.00 33.41 AV V 35.74 4.82 37.23 36.74 54.00 17.26
Middle Channel: 2440 MHz
2440.00 62.13 PK H 28.18 1.82 0.00 92.13 N/A N/A
2440.00 61.28 AV H 28.18 1.82 0.00 91.28 N/A N/A
2440.00 63.54 PK V 28.18 1.82 0.00 93.54 N/A N/A
2440.00 62.79 AV V 28.18 1.82 0.00 92.79 N/A N/A
4880.00 54.28 PK V 33.06 3.27 37.21 53.40 74.00 20.60
4880.00 49.29 AV V 33.06 3.27 37.21 48.41 54.00 5.59
7320.00 45.91 PK V 36.03 4.62 37.37 49.19 74.00 24.81
7320.00 33.54 AV V 36.03 4.62 37.37 36.82 54.00 17.18
High Channel: 2480 MHz
2480.00 61.66 PK H 28.26 1.84 0.00 91.76 N/A N/A
2480.00 60.71 AV H 28.26 1.84 0.00 90.81 N/A N/A
2480.00 63.18 PK V 28.26 1.84 0.00 93.28 N/A N/A
2480.00 62.52 AV V 28.26 1.84 0.00 92.62 N/A N/A
2483.50 28.14 PK V 28.27 1.84 0.00 58.25 74.00 15.75
2483.50 18.06 AV V 28.27 1.84 0.00 48.17 54.00 5.83
4960.00 54.02 PK V 33.22 3.23 37.25 53.22 74.00 20.78
4960.00 49.10 AV V 33.22 3.23 37.25 48.30 54.00 5.70
7440.00 46.10 PK V 36.34 4.41 37.52 49.33 74.00 24.67
7440.00 33.68 AV V 36.34 4.41 37.52 36.91 54.00 17.09

Page 17 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

FCC §15.247(a) (2) –6 dB EMISSION BANDWIDTH
Applicable Standard
According to FCC §15.247(a) (2)

Systems using digital modulation techniques may operate in the 902–928 MHz, 2400–2483.5 MHz, and
5725–5850 MHz bands. The minimum 6 dB bandwidth shall be at least 500 kHz.

Test Procedure

a) Set RBW = 100 kHz.
b) Set the video bandwidth (VBW) ≥ 3×RBW.
c) Detector = Peak.
d) Trace mode = max hold.
e) Sweep = auto couple.
f) Allow the trace to stabilize.
g) Measure the maximum width of the emission that is constrained by the frequencies associated with the
two outermost amplitude points (upper and lower frequencies) that are attenuated by 6 dB relative to the
maximum level measured in the fundamental emission.

EUT Signal Analyzer

Test Equipment List and Details

Serial Calibration Calibration
Manufacturer Description Model
Number Date Due Date

R&S EMI Test Receiver ESPI 100120 2017-12-11 2018-12-11

Unknown Coaxial Cable C-SJ00-0010 C0010/01 Each time N/A

* Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations
have been performed, traceable to National Primary Standards and International System of Units (SI).

Test Data
Environmental Conditions

Temperature: 26.2 C
Relative Humidity: 47 %
ATM Pressure: 100.3 kPa

* The testing was performed by Andy Huang on 2018-11-03.

Page 20 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

Test Mode: Transmitting

Test Result: Compliance. Please refer to the following table and plots.

Frequency 6 dB Bandwidth Limit
Channel
(MHz) (MHz) (MHz)
Low 2402 0.680 ≥0.5
Middle 2440 0.676 ≥0.5
High 2480 0.684 ≥0.5

Low Channel
* RBW 100 kHz Delta 1 [T1 ]
* VBW 300 kHz 0.07 dB
Ref 20 dBm * Att 30 dB SWT 2.5 ms 680.000000000 kHz
20 Offset 0.5 dB Marker 1 [T1 ]
-7.36 dBm
2.401472000 GHz A
10

1 PK
MAXH
0
D1 -1.3 dBm LVL
1 1
D2 -7.3 dBm
-10

-20

-30

3DB
-40

-50

-60

-70

-80

Center 2.402 GHz 200 kHz/ Span 2 MHz

Date: 3.NOV.2018 16:47:24

Page 21 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

Middle Channel
* RBW 100 kHz Delta 1 [T1 ]
* VBW 300 kHz 0.39 dB
Ref 20 dBm * Att 30 dB SWT 2.5 ms 676.000000000 kHz
20 Offset 0.5 dB Marker 1 [T1 ]
-7.66 dBm
2.439472000 GHz A
10

1 PK
MAXH
0
D1 -1.45 dBm LVL
1 1
D2 -7.45 dBm
-10

-20

-30

3DB
-40

-50

-60

-70

-80

Center 2.44 GHz 200 kHz/ Span 2 MHz

Date: 3.NOV.2018 16:50:18

High Channel
* RBW 100 kHz Delta 1 [T1 ]
* VBW 300 kHz 0.05 dB
Ref 20 dBm * Att 30 dB SWT 2.5 ms 684.000000000 kHz
20 Offset 0.5 dB Marker 1 [T1 ]
-7.92 dBm
2.479452000 GHz A
10

1 PK
MAXH
0
D1 -1.97 dBm LVL
1 1
D2 -7.97 dBm
-10

-20

-30

3DB
-40

-50

-60

-70

-80

Center 2.48 GHz 200 kHz/ Span 2 MHz

Date: 3.NOV.2018 16:52:15

Page 22 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

FCC §15.247(b) (3) - MAXIMUM PEAK CONDUCTED OUTPUT POWER
Applicable Standard
According to FCC §15.247(b) (3), for systems using digital modulation in the 902-928 MHz, 2400-2483.5
MHz, and 5725-5850 MHz bands: 1 Watt. As an alternative to a peak power measurement, compliance
with the one Watt limit can be based on a measurement of the maximum conducted output power.
Maximum Conducted Output Power is defined as the total transmit power delivered to all antennas and
antenna elements averaged across all symbols in the signaling alphabet when the transmitter is operating at
its maximum power control level. Power must be summed across all antennas and antenna elements. The
average must not include any time intervals during which the transmitter is off or is transmitting at a
reduced power level. If multiple modes of operation are possible (e.g., alternative modulation methods),
the maximum conducted output power is the highest total transmit power occurring in any mode.

Test Procedure
1. Place the EUT on a bench and set it in transmitting mode.
2. Remove the antenna from the EUT and then connect a low loss RF cable from the antenna port to test
equipment.
3. Add a correction factor to the display.
4. Set the power Meter to test Peak output power, record the result as peak power.
5. Set the power meter to test average output power, record the result as average power.

Test
EUT Receiver

Test Equipment List and Details

Serial Calibration Calibration
Manufacturer Description Model
Number Date Due Date
R&S EMI Test Receiver ESPI 100120 2017-12-11 2018-12-11

Unknown Coaxial Cable C-SJ00-0010 C0010/01 Each time N/A

* Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations
have been performed, traceable to National Primary Standards and International System of Units (SI).

Page 23 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

Test Data
Environmental Conditions

Temperature: 26.2 C
Relative Humidity: 47 %
ATM Pressure: 100.3 kPa

* The testing was performed by Andy Huang on 2018-11-03.

Test Mode: Transmitting

Test Result: Compliance. Please refer to the following table.

Max Peak
Frequency Conducted Output Limit
Channel
(MHz) Power (dBm)
(dBm)
Low 2402 -0.81 30
Middle 2440 -1.12 30
High 2480 -1.55 30

Low Channel
* RBW 3 MHz Marker 1 [T1 ]
* VBW 10 MHz -0.81 dBm
Ref 20 dBm * Att 30 dB SWT 2.5 ms 2.401900000 GHz
20 Offset 0.5 dB

A
10

1 PK
MAXH 1
0
LVL

-10

-20

-30

3DB
-40

-50

-60

-70

-80

Center 2.402 GHz 1 MHz/ Span 10 MHz

Date: 3.NOV.2018 16:48:05

Page 24 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

Middle Channel
* RBW 3 MHz Marker 1 [T1 ]
* VBW 10 MHz -1.12 dBm
Ref 20 dBm * Att 30 dB SWT 2.5 ms 2.439980000 GHz
20 Offset 0.5 dB

A
10

1 PK
MAXH 1
0
LVL

-10

-20

-30

3DB
-40

-50

-60

-70

-80

Center 2.44 GHz 1 MHz/ Span 10 MHz

Date: 3.NOV.2018 16:51:01

High Channel
* RBW 3 MHz Marker 1 [T1 ]
* VBW 10 MHz -1.55 dBm
Ref 20 dBm * Att 30 dB SWT 2.5 ms 2.479280000 GHz
20 Offset 0.5 dB

A
10

1 PK
MAXH 1
0
LVL

-10

-20

-30

3DB
-40

-50

-60

-70

-80

Center 2.48 GHz 1 MHz/ Span 10 MHz

Date: 3.NOV.2018 16:52:53

Page 25 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

FCC §15.247(d) – 100 kHz BANDWIDTH OF FREQUENCY BAND EDGE
Applicable Standard
According to FCC§15.247(d):In any 100 kHz bandwidth outside the frequency band in which the spread
spectrum or digitally modulated intentional radiator is operating, the radio frequency power that is
produced by the intentional radiator shall be at least 20 dB below that in the 100 kHz bandwidth within the
band that contains the highest level of the desired power, based on either an RF conducted or a radiated
measurement, provided the transmitter demonstrates compliance with the peak conducted power limits. If
the transmitter complies with the conducted power limits based on the use of RMS averaging over a time
interval, as permitted under paragraph (b)(3) of this section, the attenuation required under this paragraph
shall be 30 dB instead of 20 dB. Attenuation below the general limits specified in §15.209(a) is not
required. In addition, radiated emissions which fall in the restricted bands, as defined in §15.205(a), must
also comply with the radiated emission limits specified in §15.209(a) (see §15.205(c)).

Test Procedure
1. Check the calibration of the measuring instrument using either an internal calibrator or a known signal
from an external generator.
2. Position the EUT without connection to measurement instrument. Turn on the EUT and connect its
antenna terminal to measurement instrument via a low loss cable. Then set it to any one measured
frequency within its operating range, and make sure the instrument is operated in its linear range.
3. Set RBW to 100 kHz and VBW of spectrum analyzer to 300 kHz with a convenient frequency span
including 100 kHz bandwidth from band edge.
4. Measure the highest amplitude appearing on spectral display and set it as a reference level. Plot the
graph with marking the highest point and edge frequency.
5. Repeat above procedures until all measured frequencies were complete.

Test Equipment List and Details

Serial Calibration Calibration
Manufacturer Description Model
Number Date Due Date

R&S EMI Test Receiver ESPI 100120 2017-12-11 2018-12-11

Unknown Coaxial Cable C-SJ00-0010 C0010/01 Each time N/A

* Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations have
been performed, traceable to National Primary Standards and International System of Units (SI).

Test Data
Environmental Conditions

Temperature: 26.2 C
Relative Humidity: 47 %
ATM Pressure: 100.3 kPa

* The testing was performed by Andy Huang on 2018-11-03.

Page 26 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

Test mode: Transmitting
Test Result: Compliance. Please refer to following plots.
Band Edge, Left Side
* RBW 100 kHz Marker 2 [T1 ]
* VBW 300 kHz -33.73 dBm
Ref 20 dBm * Att 30 dB SWT 2.5 ms 2.399072000 GHz
20 Offset 0.5 dB Marker 1 [T1 ]
-1.46 dBm
2.402080000 GHz A
10

1 PK
MAXH 1
0
LVL

-10

-21.46dBm
-20

-30 2

3DB
-40

-50

-60

-70

-80

Center 2.4 GHz 800 kHz/ Span 8 MHz

Date: 3.NOV.2018 16:55:54

Band Edge, Right Side
* RBW 100 kHz Marker 2 [T1 ]
* VBW 300 kHz -43.66 dBm
Ref 20 dBm * Att 30 dB SWT 2.5 ms 2.485544000 GHz
20 Offset 0.5 dB Marker 1 [T1 ]
-22.04dBm -2.04 dBm
2.479552000 GHz A
10

1 PK
MAXH 1
0
LVL

-10

-20

-30

3DB
-40 2

-50

-60

-70

-80

Center 2.4835 GHz 1.4 MHz/ Span 14 MHz

Date: 3.NOV.2018 16:55:08

Page 27 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

FCC §15.247(e) - POWER SPECTRAL DENSITY
Applicable Standard
According to FCC§15.247(e):For digitally modulated systems, the power spectral density conducted from
the intentional radiator to the antenna shall not be greater than 8 dBm in any 3 kHz band during any time
interval of continuous transmission. This power spectral density shall be determined in accordance with
the provisions of paragraph (b) of this section. The same method of determining the conducted output
power shall be used to determine the power spectral density.

Test Procedure
1. Check the calibration of the measuring instrument using either an internal calibrator or a known signal
from an external generator.
2. Position the EUT was set without connection to measurement instrument. Turn on the EUT and
connect its antenna terminal to measurement instrument via a low loss cable. Then set it to any one
measured frequency within its operating range, and make sure the instrument is operated in its linear
range.
3. Set the RBW = 3 kHz, VBW = 10 kHz, Set the span to 1.5 times the DTS bandwidth.
4. Use the peak marker function to determine the maximum amplitude level.

Test Equipment List and Details

Serial Calibration Calibration
Manufacturer Description Model
Number Date Due Date

R&S EMI Test Receiver ESPI 100120 2017-12-11 2018-12-11

Unknown Coaxial Cable C-SJ00-0010 C0010/01 Each time N/A

* Statement of Traceability: Bay Area Compliance Laboratories Corp. (Dongguan) attests that all calibrations
have been performed, traceable to National Primary Standards and International System of Units (SI).

Test Data
Environmental Conditions

Temperature: 26.2 C
Relative Humidity: 47 %
ATM Pressure: 100.3 kPa

* The testing was performed by Andy Huang on 2018-11-03.

Page 28 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

Test Mode: Transmitting

Test Result: Compliance. Please refer to the following table and plots

Frequency PSD Limit
Channel
(MHz) (dBm/3kHz) (dBm/3kHz)
Low 2402 -12.51 ≤8
Middle 2440 -13.92 ≤8
High 2480 -13.08 ≤8

Power Spectral Density, Low Channel
* RBW 3 kHz Marker 1 [T1 ]
* VBW 10 kHz -12.51 dBm
Ref 20 dBm * Att 30 dB SWT 115 ms 2.401924520 GHz
20 Offset 0.5 dB

A
10

1 PK
MAXH
0
LVL

-10 1

-20

-30

3DB
-40

-50

-60

-70

-80

Center 2.402 GHz 102 kHz/ Span 1.02 MHz

Date: 3.NOV.2018 16:48:23

Page 29 of 30

Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RXM181016056-00B

Power Spectral Density, Middle Channel
* RBW 3 kHz Marker 1 [T1 ]
* VBW 10 kHz -13.92 dBm
Ref 20 dBm * Att 30 dB SWT 115 ms 2.439835732 GHz
20 Offset 0.5 dB

A
10

1 PK
MAXH
0
LVL

-10 1

-20

-30

3DB
-40

-50

-60

-70

-80

Center 2.44 GHz 101.4 kHz/ Span 1.014 MHz

Date: 3.NOV.2018 16:51:35

Power Spectral Density, High Channel
* RBW 3 kHz Marker 1 [T1 ]
* VBW 10 kHz -13.08 dBm
Ref 20 dBm * Att 30 dB SWT 115 ms 2.479778384 GHz
20 Offset 0.5 dB

A
10

1 PK
MAXH
0
LVL

-10 1

-20

-30

3DB
-40

-50

-60

-70

-80

Center 2.48 GHz 102.6 kHz/ Span 1.026 MHz

Date: 3.NOV.2018 16:53:23

***** END OF REPORT *****

Page 30 of 30

Document Created: 2018-11-22 18:19:52
Document Modified: 2018-11-22 18:19:52

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