Test Report

FCC ID: SK9M2LG2

Test Report

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FCCID_2931667

Model: M2 Gateway2 FCC ID: SK9M2LG2 IC: 864G-M2LG2

1.3 Test Methodology and Considerations
All modes of operation, including all available data rates, were evaluated for each mode. The
data presented in this report represents the worst case where applicable.

For radiated emissions the EUT was evaluated in three Electric Utility Meters in an orientation
representative of final installation. The worst case electric utility meter was the FM12S.

For AC power line conducted emissions the EUT was evaluated with a typical host.

Radiated inter-modulation testing was performed for all combinations of simultaneous
transmission and found to be in compliance.

ACS Report: 15-0513.W06.1B Advanced Compliance Solutions Page 4

Model: M2 Gateway2 FCC ID: SK9M2LG2 IC: 864G-M2LG2

2 TEST FACILITIES

2.1 Location

The radiated and conducted emissions test sites are located at the following address:

Advanced Compliance Solutions
5015 B.U. Bowman Drive
Buford, GA 30518
Phone: (770) 831-8048
Fax: (770) 831-8598

2.2 Laboratory Accreditations/Recognitions/Certifications

ACS is accredited to ISO/IEC 17025 by the ANSI-ASQ National Accreditation Board/ANAB
accreditation program, and has been issued certificate number AT-2021 in recognition of this
accreditation. Unless otherwise specified, all tests methods described within this report are
covered under the ISO/IEC 17025 scope of accreditation.

The Semi-Anechoic Chamber Test Site, Open Area Test Site (OATS) and Conducted Emissions
Site have been fully described, submitted to, and accepted by the FCC, Industry Canada and the
Japanese Voluntary Control Council for Interference by information technology equipment.

FCC Registration Number: 391271
Industry Canada Lab Code: IC 4175A
VCCI Member Number: 1831
• VCCI OATS Registration Number R-1526
• VCCI Conducted Emissions Site Registration Number: C-1608

ACS Report: 15-0513.W06.1B Advanced Compliance Solutions Page 5

Model: M2 Gateway2 FCC ID: SK9M2LG2 IC: 864G-M2LG2

2.3 Radiated Emissions Test Site Description

2.3.1 Semi-Anechoic Chamber Test Site

The Semi-Anechoic Chamber Test Site consists of a 20’ x 30’ x 18’ shielded enclosure. The
chamber is lined with Toyo Ferrite Grid Absorber, model number FFG-1000. The ferrite tile grid is
101 x 101 x 19mm thick and weighs approximately 550 grams. These tiles are mounted on steel
panels and installed directly on the inner walls of the chamber.

The turntable is 150cm in diameter and is located 160cm from the back wall of the chamber. The
chamber is grounded via 1 – 8’ copper ground rod, installed at the center of the back wall, it is
bound to the ground plane using 3/4” stainless steel braided cable.

The turntable is all steel, flush mounted table installed in an all steel frame. The table is remotely
operated from inside the control room located 25’ from the range. The turntable is electrically
bonded to the surrounding ground plane via steel fingers installed on the edge of the turn table.
The steel fingers make constant contact with the ground plane during operation.

Behind the turntable is a 3’ x 6’ x 4’ deep shielded pit used for support equipment if necessary.
The pit is equipped with 1 – 4” PVC chases from the turntable to the pit that allow for cabling to
the EUT if necessary. The underside of the turntable can be accessed from the pit so cables can
be supplied to the EUT from the pit.

A diagram of the Semi-Anechoic Chamber Test Site is shown in Figure 2.3-1 below:

3 Meters

5 Feet
Diameter

20 Feet

30 Feet
Figure 2.3-1: Semi-Anechoic Chamber Test Site

ACS Report: 15-0513.W06.1B Advanced Compliance Solutions Page 6

Model: M2 Gateway2 FCC ID: SK9M2LG2 IC: 864G-M2LG2

2.3.2 Open Area Tests Site (OATS)

The open area test site consists of a 40’ x 66’ concrete pad covered with a perforated electro-
plated galvanized sheet metal. The perforations in the sheet metal are 1/8” holes that are
staggered every 3/16”. The individual sheets are placed to overlap each other by 1/4” and are
riveted together to provide a continuous seam. Rivets are spaced every 3” in a 3 x 20 meter
perimeter around the antenna mast and EUT area. Rivets in the remaining area are spaced as
necessary to properly secure the ground plane and maintain the electrical continuity.

The entire ground plane extends 12’ beyond the turntable edge and 16’ beyond the antenna mast
when set to a 10 meter measurement distance. The ground plane is grounded via 4 – 8’ copper
ground rods, each installed at a corner of the ground plane and bound to the ground plane using
3/4” stainless steel braided cable.

The turntable is an all aluminum 10’ flush mounted table installed in an all aluminum frame. The
table is remotely operated from inside the control room located 40’ from the range. The turntable
is electrically bonded to the surrounding ground plane via steel fingers installed on the edge of
the turn table. The steel fingers make constant contact with the ground plane during operation.

Adjacent to the turntable is a 7’ x 7’ square and 4’ deep concrete pit used for support equipment if
necessary. The pit is equipped with 5 – 4” PVC chases from the pit to the control room that allow
for cabling to the EUT if necessary. The underside of the turntable can be accessed from the pit
so cables can be supplied to the EUT from the pit. The pit is covered with 2 sheets of 1/4”
diamond style re-enforced steel sheets. The sheets are painted to match the perforated steel
ground plane; however the underside edges have been masked off to maintain the electrical
continuity of the ground plane. All reflecting objects are located outside of the ellipse defined in
ANSI C63.4.

A diagram of the Open Area Test Site is shown in Figure 2.3-2 below:

10Meter

3 Meters

40Feet

7x7x4
Pit

66 Feet

Figure 2.3-2: Open Area Test Site

ACS Report: 15-0513.W06.1B Advanced Compliance Solutions Page 7

Model: M2 Gateway2 FCC ID: SK9M2LG2 IC: 864G-M2LG2

4 LIST OF TEST EQUIPMENT

The calibration interval of test equipment is annually or the manufacturer’s recommendations.
Where the calibration interval deviates from the annual cycle based on the instrument
manufacturer’s recommendations, it shall be stated below.

Table 4-1: Test Equipment
Calibration
AssetID Manufacturer Model # Equipment Type Serial # Last Calibration Date Due Date
1 Rohde & Schwarz ESMI - Display Spectrum Analyzers 833771/007 7/14/2015 7/14/2016
2 Rohde & Schwarz ESMI-Receiver Spectrum Analyzers 839587/003 7/14/2015 7/14/2016
30 Spectrum Technologies DRH-0118 Antennas 970102 4/30/2015 4/30/2017
40 EMCO 3104 Antennas 3211 2/10/2015 2/10/2017
73 Agilent 8447D Amplifiers 2727A05624 7/15/2015 7/15/2016
167 ACS Chamber EMI Cable Set Cable Set 167 10/20/2015 10/20/2016
267 Agilent N1911A Meters MY45100129 8/24/2015 8/24/2017
268 Agilent N1921A Sensors MY45240184 8/13/2015 8/13/2017
SMR-290AW-
292 Florida RF Cables 480.0-SMR Cables None 3/3/2015 3/3/2016
324 ACS Belden Cables 8214 5/5/2015 5/5/2016
337 Microwave Circuits H1G513G1 Filters 282706 5/20/2015 5/20/2016
338 Hewlett Packard 8449B Amplifiers 3008A01111 8/21/2015 8/21/2017
340 Aeroflex/Weinschel AS-20 Attenuators 7136 7/13/2015 7/13/2016
412 Electro Metrics LPA-25 Antennas 1241 7/24/2014 7/24/2016
422 Florida RF SMS-200AW-72.0-SMR Cables 805 10/30/2015 10/30/2016
616 Florida RF Cables SMRE Cables N/A 9/3/2015 9/3/2016
622 Rohde & Schwarz FSV40 Analyzers 101338 7/15/2015 7/15/2016
3010 Rohde & Schwarz ENV216 LISN 3010 7/10/2015 7/10/2016
RE112 Rohde & Schwarz ESIB26 Receiver 836119/012 7/16/2015 7/16/2016

ACS Report: 15-0513.W06.1B Advanced Compliance Solutions Page 9

Model: M2 Gateway2 FCC ID: SK9M2LG2 IC: 864G-M2LG2

5 SUPPORT EQUIPMENT

Table 5-1: Support Equipment
Item Equipment Type Manufacturer Model Number Serial Number
131 980 110
Electric Meter Landis + Gyr FOCUS AXRe-SD 131 980 032
1 131 980 122
Electric Meter Type 3R
Milbank N/A
2 Socket Enclosure

6 EQUIPMENT UNDER TEST SETUP BLOCK DIAGRAM

EUT

1

2

A

AC Mains

A: AC Power Cable, 200 cm, Non-Shielded

Figure 6-1: Test Setup Block Diagram

ACS Report: 15-0513.W06.1B Advanced Compliance Solutions Page 10

Model: M2 Gateway2 FCC ID: SK9M2LG2 IC: 864G-M2LG2

Table 7.2.2-2: Conducted EMI Results – 1S Meter Host (120 VAC) – Line 2

Corrected Reading
Frequency Limit Margin Correction
Line
(MHz) (dBuV) (dB) (dB)
Quasi-Peak Average
(dBuV) (dBuV)
0.616333 --- 40.03 46.00 5.97 N 9.7
0.616333 45.70 --- 56.00 10.30 N 9.7
1.237575 --- 31.29 46.00 14.71 N 9.7
1.237575 43.34 --- 56.00 12.66 N 9.7
4.151804 --- 20.19 46.00 25.81 N 9.8
4.151804 39.96 --- 56.00 16.04 N 9.8
4.394890 --- 24.70 46.00 21.30 N 9.8
4.394890 41.28 --- 56.00 14.72 N 9.8
4.404910 --- 23.40 46.00 22.60 N 9.8
4.404910 40.72 --- 56.00 15.28 N 9.8
4.533166 --- 21.21 46.00 24.79 N 9.8
4.533166 40.20 --- 56.00 15.80 N 9.8

Table 7.2.2-3: Conducted EMI Results – 2S Meter Host (240 VAC) – Line 1

Corrected Reading
Frequency Limit Margin Correction
Line
(MHz) (dBuV) (dB) (dB)
Quasi-Peak Average
(dBuV) (dBuV)
0.207815 --- 35.20 53.10 17.90 L1 9.6
0.207815 41.40 --- 63.13 21.73 L1 9.6
0.633066 --- 26.82 46.00 19.18 L1 9.7
0.633066 36.43 --- 56.00 19.57 L1 9.7
0.939479 --- 18.49 46.00 27.51 L1 9.7
0.939479 32.69 --- 56.00 23.31 L1 9.7
4.440381 --- 16.07 46.00 29.93 L1 9.8
4.440381 32.17 --- 56.00 23.83 L1 9.8
4.521142 --- 11.23 46.00 34.77 L1 9.8
4.521142 31.09 --- 56.00 24.91 L1 9.8
5.817334 --- 13.66 50.00 36.34 L1 9.9
5.817334 32.51 --- 60.00 27.49 L1 9.9

ACS Report: 15-0513.W06.1B Advanced Compliance Solutions Page 12

Model: M2 Gateway2 FCC ID: SK9M2LG2 IC: 864G-M2LG2

Table 7.2.2-4: Conducted EMI Results – 2S Meter Host (240 VAC) – Line 2

Corrected Reading
Frequency Limit Margin Correction
Line
(MHz) (dBuV) (dB) (dB)
Quasi-Peak Average
(dBuV) (dBuV)
0.525551 --- 39.67 46.00 6.33 N 9.7
0.525551 46.46 --- 56.00 9.54 N 9.7
0.616734 --- 40.31 46.00 5.69 N 9.7
0.616734 48.70 --- 56.00 7.30 N 9.7
1.143487 --- 35.83 46.00 10.17 N 9.7
1.143487 46.39 --- 56.00 9.61 N 9.7
1.975098 --- 30.97 46.00 15.03 N 9.7
1.975098 45.00 --- 56.00 11.00 N 9.7
4.277655 --- 25.29 46.00 20.71 N 9.8
4.277655 44.00 --- 56.00 12.00 N 9.8
4.428958 --- 28.11 46.00 17.89 N 9.8
4.428958 43.44 --- 56.00 12.56 N 9.8

Table 7.2.2-5: Conducted EMI Results – 12S Meter Host (120 VAC) – Line 1

Corrected Reading
Frequency Limit Margin Correction
Line
(MHz) (dBuV) (dB) (dB)
Quasi-Peak Average
(dBuV) (dBuV)
0.494690 --- 34.25 46.08 11.83 L1 9.7
0.494690 39.44 --- 56.08 16.64 L1 9.7
0.605110 --- 27.31 46.00 18.69 L1 9.7
0.605110 37.16 --- 56.00 18.84 L1 9.7
4.505711 --- 15.47 46.00 30.53 L1 9.8
4.505711 34.96 --- 56.00 21.04 L1 9.8
4.817134 --- 16.78 46.00 29.22 L1 9.8
4.817134 33.62 --- 56.00 22.38 L1 9.8
5.042184 --- 12.34 50.00 37.66 L1 9.8
5.042184 32.47 --- 60.00 27.53 L1 9.8
5.723347 --- 17.30 50.00 32.70 L1 9.9
5.723347 36.55 --- 60.00 23.45 L1 9.9

ACS Report: 15-0513.W06.1B Advanced Compliance Solutions Page 13

Model: M2 Gateway2 FCC ID: SK9M2LG2 IC: 864G-M2LG2

Table 7.2.2-6: Conducted EMI Results – 12S Meter Host (120 VAC) – Line 2

Corrected Reading
Frequency Limit Margin Correction
Line
(MHz) (dBuV) (dB) (dB)
Quasi-Peak Average
(dBuV) (dBuV)
0.498698 --- 43.77 46.02 2.25 N 9.7
0.498698 49.26 --- 56.02 6.76 N 9.7
0.615731 --- 30.64 46.00 15.36 N 9.7
0.615731 47.84 --- 56.00 8.16 N 9.7
3.212725 --- 22.84 46.00 23.16 N 9.8
3.212725 43.05 --- 56.00 12.95 N 9.8
4.280060 --- 24.32 46.00 21.68 N 9.8
4.280060 43.70 --- 56.00 12.30 N 9.8
4.548797 --- 26.51 46.00 19.49 N 9.8
4.548797 44.12 --- 56.00 11.88 N 9.8
4.591884 --- 23.91 46.00 22.09 N 9.8
4.591884 43.22 --- 56.00 12.78 N 9.8

ACS Report: 15-0513.W06.1B Advanced Compliance Solutions Page 14

Model: M2 Gateway2 FCC ID: SK9M2LG2 IC: 864G-M2LG2

7.5.3.3 Sample Calculation:
RC = RU + CFT

Where:
CFT = Total Correction Factor (AF+CA+AG)-DC (Average Measurements Only)
RU = Uncorrected Reading
RC = Corrected Level
AF = Antenna Factor
CA = Cable Attenuation
AG = Amplifier Gain
DC = Duty Cycle Correction Factor

Example Calculation: Peak

Corrected Level: 50.04 - 3.75 = 46.29dBuV/m
Margin: 74dBuV/m – 46.29dBuV/m = 27.7dB

Example Calculation: Average

Corrected Level: 43.38 - 3.75 - 0 = 39.63dBuV
Margin: 54dBuV – 39.63dBuV = 14.4dB

ACS Report: 15-0513.W06.1B Advanced Compliance Solutions Page 24

Document Created: 2016-03-07 09:42:00
Document Modified: 2016-03-07 09:42:00

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