Test Report

FCC ID: R7PSSMM2TRP

Test Report

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FCCID_1947702

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

1 GENERAL

1.1 Purpose

The purpose of this report is to demonstrate compliance with Part 15 Subpart C of the FCC’s
Code of Federal Regulations for single modular approval certification.

1.2 General

The L+G Solid State Meter Module (L+G SSMM) consists of a 900MHz transceiver on a single
printed circuit board, which is designed to provide active energy data from Landis+Gyr S4e
meters for use in residential and industrial commercial services.

Technical Information:
Band of Operation: 917.58 MHz
Number of Channels: 1
Modulation Format: OOK
Antenna Type/Gain: Flex Dipole; -5dBi gain
Operating Voltage: 12Vdc

Manufacturer Information:
Landis+Gyr Technology, Inc.
30000 Mill Creek Ave., Suite 100
Alpharetta, GA 30022

Test Sample Serial Number(s): C524431100023994 (RF Conducted), C524431100024010
(Radiated)

Test Sample Condition: The test samples were provided in good working order with no visible
defects.

1.3 Test Methodology and Considerations

For radiated emissions, including band edge, the EUT was evaluated in an orientation
representative of final installation.

ACS Report: 11-0444.W03.1A Advanced Compliance Solutions Page 3

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

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 National Institute of Standards and Technology under
their National Voluntary Laboratory Accreditation Program (NVLAP), Lab Code 200612-0. 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: 511277
Industry Canada Lab Code: IC 4175A-1
VCCI Member Number: 1831
• VCCI OATS Registration Number R-1526
• VCCI Conducted Emissions Site Registration Number: C-1608

ACS Report: 11-0444.W03.1A Advanced Compliance Solutions Page 4

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

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: 11-0444.W03.1A Advanced Compliance Solutions Page 5

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

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:

10

3 Meters

40

7x7x4
Pit

66 Feet

Figure 2.3-2: Open Area Test Site

ACS Report: 11-0444.W03.1A Advanced Compliance Solutions Page 6

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

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 9/23/2010 9/23/2012
1 Rohde & Schwarz ESMI - Display Spectrum Analyzers 833771/007 8/2/2012 8/2/2014
2 Rohde & Schwarz ESMI-Receiver Spectrum Analyzers 839587/003 9/23/2010 9/23/2012
2 Rohde & Schwarz ESMI-Receiver Spectrum Analyzers 839587/003 8/2/2012 8/2/2014
3 Rohde & Schwarz ESMI - Display Spectrum Analyzers 839379/011 5/26/2011 5/26/2013
4 Rohde & Schwarz ESMI - Receiver Spectrum Analyzers 833827/003 5/26/2011 5/26/2013
30 Spectrum Technologies DRH-0118 Antennas 970102 4/27/2011 4/27/2013
40 EMCO 3104 Antennas 3211 2/11/2011 2/11/2013
73 Agilent 8447D Amplifiers 2727A05624 9/30/2011 9/30/2012
73 Agilent 8447D Amplifiers 2727A05624 9/28/2012 9/28/2013
152 EMCO 3825/2 LISN 9111-1905 11/2/2010 11/2/2012
152 EMCO 3825/2 LISN 9111-1905 7/31/2012 7/31/2014
Chamber EMI
167 ACS Cable Set Cable Set 167 1/26/2011 1/26/2012
Chamber EMI
167 ACS Cable Set 167 12/21/2011 12/21/2012
Cable Set
168 Hewlett Packard 11947A Attenuators 44829 2/4/2011 2/4/2012
168 Hewlett Packard 11947A Attenuators 44829 2/1/2012 2/1/2013
267 Agilent N1911A Meters MY45100129 11/2/2010 12/31/2011
267 Agilent N1911A Meters MY45100129 1/23/2012 1/23/2014
268 Agilent N1921A Sensors MY45240184 12/2/2010 12/31/2011
268 Agilent N1921A Sensors MY45240184 1/17/2012 1/17/2014
283 Rohde & Schwarz FSP40 Spectrum Analyzers 1000033 8/26/2011 8/26/2012
283 Rohde & Schwarz FSP40 Spectrum Analyzers 1000033 8/1/2012 8/1/2013
SMRE-200W-12.0-
291 Florida RF Cables SMRE Cables None 12/7/2010 12/7/2011
SMRE-200W-12.0-
291 Florida RF Cables Cables None 12/2/2011 12/2/2012
SMRE
SMR-290AW-
292 Florida RF Cables 480.0-SMR Cables None 4/11/2011 4/11/2012
SMR-290AW-
292 Florida RF Cables Cables None 4/2/2012 4/2/2013
480.0-SMR
324 ACS Belden Cables 8214 7/6/2011 7/6/2012
324 ACS Belden Cables 8214 6/26/2012 6/26/2013
331 Microwave Circuits H1G513G1 Filters 31417 7/11/2011 7/11/2012
331 Microwave Circuits H1G513G1 Filters 31417 7/2/2012 7/2/2013
338 Hewlett Packard 8449B Amplifiers 3008A01111 3/24/2011 3/24/2012
338 Hewlett Packard 8449B Amplifiers 3008A01111 8/2/2012 8/2/2013
340 Aeroflex/Weinschel AS-20 Attenuators 7136 8/29/2011 8/29/2012
340 Aeroflex/Weinschel AS-20 Attenuators 7136 8/2/2012 8/2/2013
412 Electro Metrics LPA-25 Antennas 1241 7/28/2010 7/28/2012
412 Electro Metrics LPA-25 Antennas 1241 7/27/2012 7/27/2014
SMS-200AW-72.0-
422 Florida RF SMR Cables 805 12/29/2010 12/29/2011
SMS-200AW-72.0-
422 Florida RF Cables 805 12/2/2011 12/2/2012
SMR

ACS Report: 11-0444.W03.1A Advanced Compliance Solutions Page 8

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

5 SUPPORT EQUIPMENT

Table 5-1: Support Equipment
Item Equipment Type Manufacturer Model Number Serial Number
1 DC Power Supply TryGon Electronics DL40-1 489512
2 Power Supply Utilinet EPAS-101W-12 0448 S

6 EQUIPMENT UNDER TEST SETUP BLOCK DIAGRAM

Radiated Emissions Conducted Emissions

EUT EUT

A C

D
1

B 2

120VAC/ 60Hz

120VAC/ 60Hz
A: DC Power Cord, 400 cm, Non-shielded twisted pair.
B: AC Power Cord, 200 cm, Non-shielded.
C: DC Power Cord, 100 cm, Non-shielded twisted pair.
D: DC Power Cord, 100 cm, Non-shielded.

ACS Report: 11-0444.W03.1A Advanced Compliance Solutions Page 9

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

Table 7.2.2-2: Line 2 Conducted EMI Results
Frequency Level Transducer Limit Margin
Line PE Detector
(MHz) (dBuV) (dB) (dBuV) (dB)
0.45 49.3 10 57 7.6 L2 FLO QP
0.894 50.5 10 56 5.5 L2 FLO QP
1.344 45.4 10 56 10.6 L2 FLO QP
1.788 43.7 10 56 12.3 L2 FLO QP
2.238 39.8 10 56 16.2 L2 FLO QP
2.538 28.5 10 56 27.5 L2 FLO QP
2.598 24.9 10 56 31.1 L2 FLO QP
3.132 34.1 9.9 56 21.9 L2 FLO QP
4.02 36.8 9.9 56 19.2 L2 FLO QP
0.444 45.2 10 47 1.7 L2 FLO AVG
0.894 45.6 10 46 0.4 L2 FLO AVG
1.338 40.9 10 46 5.1 L2 FLO AVG
1.788 34.4 10 46 11.6 L2 FLO AVG
2.232 35.9 10 46 10.1 L2 FLO AVG
2.526 7.2 10 46 38.8 L2 FLO AVG
2.55 7.5 10 46 38.5 L2 FLO AVG
3.126 29.6 9.9 46 16.4 L2 FLO AVG
4.026 23.4 9.9 46 22.6 L2 FLO AVG

ACS Report: 11-0444.W03.1A Advanced Compliance Solutions Page 11

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

* RBW 100 kHz Marker 1 [T1 ]
VBW 300 kHz 18.13 dBm
Ref 30 dBm Att 30 dB SWT 2.5 ms 917.670000000 MHz

30 Offset 19.8 dB OBW 3.330000000 MHz
Temp 1 [T1 OBW]
1 -0.96 dBm A
20
915.940000000 MHz
1 SA *
Temp 2 [T1 OBW]
VIEW
10 -1.48 dBm LVL
919.270000000 MHz
T1 T2
0

-10

-20

3DB
-30

-40

-50

-60

-70

Center 917.58 MHz 500 kHz/ Span 5 MHz

Date: 5.NOV.2012 10:16:35

Figure 7.3.2-2: 99% Bandwidth Plot

ACS Report: 11-0444.W03.1A Advanced Compliance Solutions Page 13

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

* RBW 100 kHz Marker 2 [T1 ]
VBW 300 kHz -14.95 dBm
Ref 30 dBm Att 50 dB SWT 900 ms 3.232000000 GHz

30 Offset 19.8 dB Marker 1 [T1 ]
-14.76 dBm
7.282000000 GHz A
20
D1 18.34 dBm
1 PK
VIEW
10
LVL

0
D2 -1.66 dBm

-10
2 1

-20

3DB
-30

-40

-50

-60

-70

Start 1 GHz 900 MHz/ Stop 10 GHz

Date: 5.NOV.2012 10:27:56

Figure 7.5.1.2-2: 1 GHz – 10 GHz
* RBW 100 kHz Marker 2 [T1 ]
VBW 300 kHz -25.57 dBm
Ref 30 dBm Att 50 dB SWT 5 ms 928.000000000 MHz
30 Offset 19.8 dB Marker 1 [T1 ]
-25.66 dBm
902.000000000 MHz A
20
D1 18.34 dBm
1 PK
VIEW
10
LVL

0
D2 -1.66 dBm

-10

-20
1 2
3DB
-30

-40

-50

-60

-70

Start 900 MHz 3 MHz/ Stop 930 MHz

Date: 5.NOV.2012 10:26:25

Figure 7.5.1.2-3: Band-edge (Conducted)

ACS Report: 11-0444.W03.1A Advanced Compliance Solutions Page 16

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

7.5.2 Unwanted Emissions into Restricted Frequency Bands

7.5.2.1 Measurement Procedure

The unwanted emissions into restricted bands were measured radiated over the frequency range
of 30MHz to 10GHz, 10 times the highest fundamental frequency.

The EUT was rotated through 360° and the receive antenna height was varied from 1m to 4m so
that the maximum radiated emissions level would be detected. For frequencies below 1000MHz,
quasi-peak measurements were made using a resolution bandwidth RBW of 120 kHz and a video
bandwidth VBW of 300 kHz. For frequencies above 1000MHz, peak and average measurements
were made with RBW and VBW of 1 MHz and 3 MHz respectively. The average emissions were
further corrected by applying the duty cycle correction of the EUT for comparison to the average
limit.

Each emission found to be in a restricted band as defined by section 15.205 was compared to the
radiated emission limits as defined in section 15.209.

7.5.2.2 Duty Cycle Correction

For average radiated measurements, using a 22.88% duty cycle, the measured level was
reduced by a factor 12.81dB. The duty cycle correction factor is determined using the formula:
20log (22.88/100) = -12.81dB.

The duty cycle is shown in figure 7.5.2.2-1 below.

RBW 1 MHz Delta 1 [T1 ]
VBW 3 MHz -0.01 dB
Ref 30 dBm Att 50 dB SWT 110 ms 22.880000 ms
30 Offset 19.8 dB Marker 1 [T1 ]
1 1
23.21 dBm
-100.000000 µs A
20

1 PK
VIEW TRG
10
LVL

0
TRG -1.3 dBm

-10

-20

3DB
-30

-40

-50

-60

-70

Center 917.58 MHz 11 ms/

Date: 5.NOV.2012 10:09:24

Figure 7.5.2.2-1: Duty Cycle

ACS Report: 11-0444.W03.1A Advanced Compliance Solutions Page 17

Model: L+G Solid State Meter Module FCC ID: R7PSSMM2TRP

7.5.2.3 Measurement Results

Radiated spurious emissions found in the band of 30MHz to 10GHz are reported in the table
7.5.2.3-1 below.

Table 7.5.2.3-1: Radiated Spurious Emissions Tabulated Data
Level Antenna Correction Corrected Level Limit Margin
Frequency (dBuV) Polarity Factors (dBuV/m) (dBuV/m) (dB)
(MHz)
pk Qpk/Avg (H/V) (dB) pk Qpk/Avg pk Qpk/Avg pk Qpk/Avg
2752.74 59.86 59.86 H -3.87 55.99 43.18 74.0 54.0 18.0 10.8
2752.74 64.56 64.56 V -3.87 60.69 47.88 74.0 54.0 13.3 6.1
3670.32 59.00 59.00 H -0.25 58.75 45.93 74.0 54.0 15.3 8.1
3670.32 59.94 59.94 V -0.25 59.69 46.87 74.0 54.0 14.3 7.1
4587.9 53.05 53.05 H 1.52 54.57 41.76 74.0 54.0 19.4 12.2
4587.9 53.14 53.14 V 1.52 54.66 41.85 74.0 54.0 19.3 12.1
7340.64 51.34 51.34 H 7.67 59.01 46.20 74.0 54.0 15.00 7.80
7340.64 51.24 51.24 V 7.67 58.91 46.10 74.0 54.0 15.10 7.90

7.5.2.4 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: 59.86 - 3.87 = 55.99dBuV/m
Margin: 74dBuV/m – 55.99dBuV/m = 18.0dB

Example Calculation: Average

Corrected Level: 59.86 - 3.87 - 12.81 = 43.18dBuV
Margin: 54dBuV – 43.18dBuV = 10.8dB

ACS Report: 11-0444.W03.1A Advanced Compliance Solutions Page 18

Document Created: 2013-04-11 15:56:18
Document Modified: 2013-04-11 15:56:18

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