Test Report

FCC ID: N82-KOHLER035

Test Report

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SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 1 of 34 TEST REPORT Application No.: SHEM1812000002CR FCC ID: N82-KOHLER035 IC: 4554A-KOHLER035 Applicant: Kohler Co. Address of Applicant: 444 Highland Drive Kohler, WI 53044 United States Manufacturer: Shanghai Kohler Electronics., Ltd. Address of Manufacturer: No. 1955, Fengxiang Road, Baoshan Area, Shanghai, PRC Post code: 200444 Factory: Shanghai Kohler Electronics., Ltd. Address of Factory: No. 1955, Fengxiang Road, Baoshan Area, Shanghai, PRC Post code: 200444 Equipment Under Test (EUT): EUT Name: EIR Intelligent Toilet Model No.: K-77795, K-77795-RGD, K-77795-SG¤ ¤ Please refer to section 2 of this report which indicates which model was actually tested and which were electrically identical. Trade mark: KOHLER Standard(s) : 47 CFR Part 15, Subpart C 15.249 RSS-210 Issue 9 August 2016 (Amendment) RSS-Gen Issue 5, April 2018 Date of Receipt: 2018-12-18 Date of Test: 2018-12-18 to 2018-12-25 Date of Issue: 2019-04-08 Test Result: PASS* * In the configuration tested, the EUT complied with the standards specified above. Parlam Zhan E&E Section Manager The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Any mention of SGS International Electrical Approvals or testing done by SGS International Electrical Approvals in connection with, distribution or use of the product described in this report must be approved by SGS International Electrical Approvals in writing.

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 2 of 34 Revision Record Version Description Date Remark 00 Original 2019-04-08 / Authorized for issue by: Vincent Zhu / Project Engineer Parlam Zhan / Reviewer

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 3 of 34 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Custome 47 CFR Part 15, 47 CFR Part 15, r Antenna Requirement N/A Subpart C 15.249 Subpart C 15.203 Declarati on Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Emissions 47 CFR Part 15, ANSI C63.10 (2013) 47 CFR Part 15, at AC Power Line Pass Subpart C 15.249 Section 6.2 Subpart C 15.207 (150kHz-30MHz) 47 CFR Part 15, ANSI C63.10 (2013) 47 CFR Part 15, 20dB Bandwidth Pass Subpart C 15.249 Section 6.9 Subpart C 15.215 Field Strength of the 47 CFR Part 15, 47 CFR Part 15, ANSI C63.10 (2013) Fundamental Signal Subpart C Pass Subpart C 15.249 Section 6.5&6.6 (15.249(a)) 15.249(a) 47 CFR Part 15, Restricted Band 47 CFR Part 15, ANSI C63.10 (2013) Subpart C 15.205 Around Fundamental Pass Subpart C 15.249 Section 6.4&6.5&6.6 & 15.249(d) & Frequency 15.209 47 CFR Part 15, 47 CFR Part 15, ANSI C63.10 (2013) Radiated Emissions Subpart C 15.209 Pass Subpart C 15.249 Section 6.4&6.5&6.6 & 15.249 (a),(d) RSS-210 Issue 9 RSS-Gen Section 99% Bandwidth August 2016 RSS-Gen Section 6.7 Pass 6.6 (Amendment) RSS-210 Issue 9 Pass Frequency tolerance August 2016 RSS-210 A2.6 (a) RSS-210 A2.6 (a) (Amendment) (Note 1) Note: Declaration of EUT Family Grouping: There are series models mentioned in this report and they are the similar in electrical and electronic characters. Only the model K-77795 was tested since their differences are model number, color. K-77795: EIR INTELLIGENT TOILET WHITE; K-77795-SG: EIR INTELLIGENT TOILET SUNRISE GOLD K-77795-RGD: EIR INTELLIGENT TOILET ROSE GOLD Note 1：Frequency stability requested in RSS GEN S8.11 has been complied since the result of band edge can demonstrate.

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 4 of 34 3 Contents Page 1 COVER PAGE ............................................................................................................................................. 1 2 TEST SUMMARY ......................................................................................................................................... 3 3 CONTENTS .................................................................................................................................................. 4 4 GENERAL INFORMATION ......................................................................................................................... 5 4.1 DETAILS OF E.U.T. ................................................................................................................................ 5 4.2 DESCRIPTION OF SUPPORT UNITS........................................................................................................... 5 4.3 MEASUREMENT UNCERTAINTY ................................................................................................................ 5 4.4 TEST LOCATION ..................................................................................................................................... 5 4.5 TEST FACILITY ....................................................................................................................................... 6 4.6 DEVIATION FROM STANDARDS ................................................................................................................ 6 4.7 ABNORMALITIES FROM STANDARD CONDITIONS ....................................................................................... 6 5 EQUIPMENT LIST ....................................................................................................................................... 7 6 RADIO SPECTRUM TECHNICAL REQUIREMENT ................................................................................... 8 6.1 ANTENNA REQUIREMENT ........................................................................................................................ 8 7 RADIO SPECTRUM MATTER TEST RESULTS ........................................................................................ 9 7.1 CONDUCTED EMISSIONS AT AC POWER LINE (150KHZ-30MHZ) .............................................................. 9 7.2 20DB BANDWIDTH................................................................................................................................13 7.3 FIELD STRENGTH OF THE FUNDAMENTAL SIGNAL (15.249(A)) ................................................................16 7.4 RESTRICTED BAND AROUND FUNDAMENTAL FREQUENCY ......................................................................18 7.5 RADIATED EMISSIONS ..........................................................................................................................25 7.6 99% BANDWIDTH .................................................................................................................................30 7.7 FREQUENCY TOLERANCE ......................................................................................................................33 8 TEST SETUP PHOTOGRAPHS ................................................................................................................34 9 EUT CONSTRUCTIONAL DETAILS .........................................................................................................34

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 5 of 34 4 General Information 4.1 Details of E.U.T. Power supply: AC 120V 60Hz Test voltage: AC 120V 60Hz Cable: AC Cable 110cm Modulation Type MSK Number of Channels 8 Operation Frequency 2414.5MHz~2449.5MHz Channel Spacing 5MHz Antenna Type： PCB Antenna Antenna Gain: 2.88 dBi 4.2 Description of Support Units The EUT has been tested as an independent unit. 4.3 Measurement Uncertainty No. Item Measurement Uncertainty 1 Radio Frequency ±8.4 x 10-8 2 Timeout ±2s 3 Duty cycle ±0.37% 4 Occupied Bandwidth ±3% 5 RF conducted power ±0.6dB 6 RF power density ±2.84dB 7 Conducted Spurious emissions ±0.75dB ±4.6dB (Below 1GHz) 8 RF Radiated power ±4.1dB (Above 1GHz) ±4.2dB (Below 30MHz) ±4.4dB (30MHz-1GHz) 9 Radiated Spurious emission test ±4.8dB (1GHz-18GHz) ±5.2dB (Above 18GHz) 10 Temperature test ±1°C 11 Humidity test ±3% 12 Supply voltages ±1.5% 13 Time ±3% Note: The measurement uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2. 4.4 Test Location All tests were performed at: SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. E&E Lab 588 West Jindu Road, Xinqiao, Songjiang, 201612 Shanghai, China Tel: +86 21 6191 5666 Fax: +86 21 6191 5678 No tests were sub-contracted.

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 6 of 34 4.5 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • CNAS (No. CNAS L0599) CNAS has accredited SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. to ISO/IEC 17025:2005 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the competence in the field of testing. • NVLAP (Certificate No. 201034-0) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. is accredited by the National Voluntary Laboratory Accreditation Program(NVLAP). Certificate No. 201034-0. • FCC –Designation Number: CN5033 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. has been recognized as an accredited testing laboratory. Designation Number: CN5033. Test Firm Registration Number: 479755. • Innovation, Science and Economic Development Canada SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. EMC Laboratory has been recognized by ISED as an accredited testing laboratory. IC Registration No.: 8617A-1. CAB identifier: CN0020. • VCCI (Member No.: 3061) The 3m Semi-anechoic chamber and Shielded Room of SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. has been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: R-13868, C-14336, T-12221, G-10830 respectively. 4.6 Deviation from Standards None 4.7 Abnormalities from Standard Conditions None

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 7 of 34 5 Equipment List Equipment Manufacturer Model No Inventory No Cal Date Cal Due Date Conducted Emission at AC Power Line EMI test receiver R&S ESR7 SHEM162-1 2018-12-20 2019-12-19 LISN Schwarzbeck NSLK8127 SHEM061-1 2018-12-20 2019-12-19 LISN EMCO 3816/2 SHEM019-1 2018-12-20 2019-12-19 Pulse limiter R&S ESH3-Z2 SHEM029-1 2018-12-20 2019-12-19 CE test Cable / CE01 / 2018-12-26 2019-12-25 Radiated Test EMI test Receiver R&S ESU40 SHEM051-1 2018-12-20 2019-12-19 Spectrum Analyzer R&S FSP-30 SHEM002-1 2018-12-20 2019-12-19 Loop Antenna (9kHz-30MHz) Schwarzbeck FMZB1519 SHEM135-1 2017-04-10 2020-04-09 Antenna (25MHz-2GHz) Schwarzbeck VULB9168 SHEM048-1 2017-02-28 2020-02-27 Antenna (25MHz-3GHz) Schwarzbeck HL562 SHEM010-1 2017-02-28 2020-02-27 Horn Antenna (1-8GHz) Schwarzbeck HF906 SHEM009-1 2017-10-24 2020-10-23 Horn Antenna (1-18GHz) Schwarzbeck BBHA9120D SHEM050-1 2017-01-14 2020-01-13 Horn Antenna (14-40GHz) Schwarzbeck BBHA 9170 SHEM049-1 2017-12-03 2020-12-02 Pre-amplifier (9KHz-2GHz) CLAVIIO BDLNA-0001 SHEM164-1 2018-08-13 2019-08-12 Pre-amplifier (1-18GHz) CLAVIIO BDLNA-0118 SHEM050-2 2018-08-13 2019-08-12 High-amplifier (14-40GHz) Schwarzbeck 10001 SHEM049-2 2018-12-20 2019-12-19 Signal Generator R&S SMR40 SHEM058-1 2018-08-13 2019-08-12 Band Filter LORCH 9BRX-875/X150 SHEM156-1 / / Band Filter LORCH 13BRX-1950/X500 SHEM083-2 / / Band Filter LORCH 5BRX-2400/X200 SHEM155-1 / / Band Filter LORCH 5BRX-5500/X1000 SHEM157-2 / / High pass Filter Wainwright WHK3.0/18G SHEM157-1 / / High pass Filter Wainwright WHKS1700 SHEM157-3 / / Semi/Fully Anechoic ST 11*6*6M SHEM078-2 2017-07-22 2020-07-21 RE test Cable / RE01, RE02, RE06 / 2018-12-26 2019-12-25

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 8 of 34 6 Radio Spectrum Technical Requirement 6.1 Antenna Requirement 6.1.1 Test Requirement: 47 CFR Part 15, Subpart C 15.203 Limit: 15.203 requirement: 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, the manufacturer may design the unit so that a broken antenna can be replaced by the user, but the use of a standard antenna jack or electrical connector is prohibited. 6.1.2 Conclusion Standard Requirement: 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, the manufacturer may design the unit so that a broken antenna can be replaced by the user, but the use of a standard antenna jack or electrical connector is prohibited. EUT Antenna: The antenna is integrated on the main PCB and no consideration of replacement. The best case gain of the antenna is 2.88dBi.

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 9 of 34 7 Radio Spectrum Matter Test Results 7.1 Conducted Emissions at AC Power Line (150kHz-30MHz) Test Requirement 47 CFR Part 15, Subpart C 15.207 Test Method: ANSI C63.10 (2013) Section 6.2 Limit: Limit (dBuV) Frequency range (MHz) Quasi-peak Average 0.15-0.5 66 to 56* 56 to 46* 0.5-5 56 46 5-30 60 50 * Decreases with the logarithm of the frequency. 7.1.1 E.U.T. Operation Operating Environment: Temperature: 22 C Humidity: 50 % RH Atmospheric Pressure: 1002 mbar Test mode a:TX mode_Keep the EUT in transmitting with modulation mode. 7.1.2 Test Setup Diagram

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 10 of 34 7.1.3 Measurement Procedure and Data 1) The mains terminal disturbance voltage test was conducted in a shielded room. 2) The EUT was connected to AC power source through a LISN 1 (Line Impedance Stabilization Network) which provides a 50ohm/50μH + 5ohm linear impedance. The power cables of all other units of the EUT were connected to a second LISN 2, which was bonded to the ground reference plane in the same way as the LISN 1 for the unit being measured. A multiple socket outlet strip was used to connect multiple power cables to a single LISN provided the rating of the LISN was not exceeded. 3) The tabletop EUT was placed upon a non-metallic table 0.8m above the ground reference plane. And for floor-standing arrangement, the EUT was placed on the horizontal ground reference plane, 4) The test was performed with a vertical ground reference plane. The rear of the EUT shall be 0.4 m from the vertical ground reference plane. The vertical ground reference plane was bonded to the horizontal ground reference plane. The LISN 1 was placed 0.8 m from the boundary of the unit under test and bonded to a ground reference plane for LISNs mounted on top of the ground reference plane. This distance was between the closest points of the LISN 1 and the EUT. All other units of the EUT and associated equipment was at least 0.8 m from the LISN 2. 5) In order to find the maximum emission, the relative positions of equipment and all of the interface cables must be changed according to ANSI C63.10 on conducted measurement. Remark: LISN=Read Level+ Cable Loss+ LISN Factor

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 11 of 34 Mode:a; Line:Live Line

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 12 of 34 Mode:a; Line:Neutral Line

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 13 of 34 7.2 20dB Bandwidth Test Requirement 47 CFR Part 15, Subpart C 15.215 Test Method: ANSI C63.10 (2013) Section 6.9 Limit: N/A 7.2.1 E.U.T. Operation Operating Environment: Temperature: 20 C Humidity: 50 % RH Atmospheric Pressure: 1010 mbar Test mode a:TX mode_Keep the EUT in transmitting with modulation mode. 7.2.2 Test Setup Diagram 7.2.3 Measurement Procedure and Data 1. Place the EUT on the table and set it in Engineering mode. 2. Remove the antenna from the EUT and then connect a low loss RF cable from the antenna port to the spectrum analyzer. 3. Set the spectrum analyzer as RBW = approximately 1 % to 5 % of the OBW (set 30 kHz), VBW =3* RBW, Span=3MHz, Sweep=auto 4. Mark the peak frequency and –20dB (upper and lower) frequency. 5. Repeat above procedures until all frequency measured was complete. Frequency Bandwidth (MHz) Result (MHz) 2414.5 0.792 PASS 2434.5 0.786 PASS 2449.5 0.786 PASS

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 14 of 34 Test plot as follows: Channel: 2414.5MHz * RBW 30 kHz Delta 3 [T1 ] VBW 100 kHz -0.65 dB Ref 20 dBm * Att 30 dB * SWT 5 ms 792.000000000 kHz 20 Marker 1 [T1 ] -25.09 dBm 2.414110000 GHz A 10 Marker 2 [T1 ] 1 PK -4.64 dBm MAXH 0 2.414440000 GHz 2 -10 -20 1 3 D1 -24.64 dBm -30 -40 -50 -60 -70 -80 Center 2.4145 GHz 300 kHz/ Span 3 MHz Channel: 2434.5MHz Date: 20.FEB.2019 10:04:33 * RBW 30 kHz Delta 3 [T1 ] VBW 100 kHz -0.60 dB Ref 20 dBm * Att 30 dB * SWT 5 ms 786.000000000 kHz 20 Marker 1 [T1 ] -23.53 dBm 2.434110000 GHz A 10 Marker 2 [T1 ] 1 PK -3.11 dBm MAXH 0 2 2.434434000 GHz -10 -20 1 3 D1 -23.11 dBm -30 -40 -50 -60 -70 -80 Center 2.4345 GHz 300 kHz/ Span 3 MHz Date: 20.FEB.2019 10:15:03

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 15 of 34 Channel: 2449.5MHz * RBW 30 kHz Delta 3 [T1 ] VBW 100 kHz -0.89 dB Ref 20 dBm * Att 30 dB * SWT 5 ms 786.000000000 kHz 20 Marker 1 [T1 ] -24.60 dBm 2.449110000 GHz A 10 Marker 2 [T1 ] 1 PK -4.31 dBm MAXH 0 2 2.449416000 GHz -10 -20 1 3 D1 -24.31 dBm -30 -40 -50 -60 -70 -80 Center 2.4495 GHz 300 kHz/ Span 3 MHz Date: 20.FEB.2019 10:43:17

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 16 of 34 7.3 Field Strength of the Fundamental Signal (15.249(a)) Test Requirement 47 CFR Part 15, Subpart C 15.249(a) Test Method: ANSI C63.10 (2013) Section 6.5&6.6 Test Site: Measurement Distance: 3m Receiver Setup: Frequency Detector RBW VBW Remark Peak 1MHz 3MHz Peak Above 1GHz Peak 1MHz 10Hz Average Limit: Frequency Limit (dBuV/m) Remark 114 Peak 2400~2483.5 MHz 94 Quasi-Peak Test Setup: Test Procedure: a. The EUT was placed on the top of a rotating table 0.8 meters above the ground at a 3 meter semi-anechoic camber. The table was rotated 360 degrees to determine the position of the highest radiation. b. The EUT was set 3 meters away from the interference-receiving antenna, which was mounted on the top of a variable-height antenna tower. c. The antenna height is varied from one meter to four meters above the ground to determine the maximum value of the field strength. Both horizontal and vertical polarizations of the antenna are set to make the measurement. d. For each suspected emission, the EUT was arranged to its worst case and then the antenna was tuned to heights from 1 meter to 4 meters (for the test frequency of below 30MHz, the antenna was tuned to heights 1 meter) and the rotatable table was turned from 0 degrees to 360 degrees to find the maximum reading. e. The test-receiver system was set to Peak Detect Function and Specified Bandwidth with Maximum Hold Mode. f. If the emission level of the EUT in peak mode was 10dB lower than the limit specified, then testing could be stopped and the peak values of the EUT would be reported. Otherwise the emissions that did not have 10dB margin would be re- tested one by one using peak, quasi-peak or average method as specified and then reported in a data sheet. Test Results: Pass

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 17 of 34 Measurement Data Peak value: Frequency Read Level Factor Level Limit Line Over Limit Detector Polarization (MHz) (dBuV) (dB/m) (dBuV/m) (dBuV/m) (dB) 91.42 -8.15 83.27 94 -10.73 Peak Horizontal 2414.5 85.98 -8.18 77.8 94 -16.2 Peak Vertical Frequency Read Level Factor Level Limit Line Over Limit Detector Polarization (MHz) (dBuV) (dB/m) (dBuV/m) (dBuV/m) (dB) 90.05 -8.17 81.88 94 -12.12 Peak Horizontal 2434.5 86.22 -8.17 78.05 94 -15.95 Peak Vertical Frequency Read Level Factor Level Limit Line Over Limit Detector Polarization (MHz) (dBuV) (dB/m) (dBuV/m) (dBuV/m) (dB) 89.35 -8.18 81.17 94 -12.83 Peak Horizontal 2449.5 86.35 -8.15 78.2 94 -15.8 Peak Vertical Remark: 1) The basic equation with a sample calculation is as follows: Level = Read Level + Factor. (The Factor is calculated by adding the Antenna Factor, Cable Loss and Preamp Factor) 2) If the Peak value below the Quasi-Peak Limit, the Quasi-Peak test doesn’t perform for this submission.

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 18 of 34 7.4 Restricted Band Around Fundamental Frequency Test Requirement 47 CFR Part 15, Subpart C 15.205 & 15.249(d) & 15.209 Test Method: ANSI C63.10 (2013) Section 6.4&6.5&6.6 Limit: Frequency(MHz) Field strength(microvolts/meter) Measurement distance(meters) 0.009-0.490 2400/F(kHz) 300 0.490-1.705 24000/F(kHz) 30 1.705-30.0 30 30 30-88 100 3 88-216 150 3 216-960 200 3 Above 960 500 3 Remark: The emission limits shown in the above table are based on measurements employing a CISPR quasi-peak detector except for the frequency bands 9-90kHz, 110-490kHz and above 1000 MHz. Radiated emission limits in these three bands are based on measurements employing an average detector, the peak field strength of any emission shall not exceed the maximum permitted average limits specified above by more than 20 dB under any condition of modulation.

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 19 of 34 7.4.1 E.U.T. Operation Operating Environment: Temperature: 22 C Humidity: 50 % RH Atmospheric Pressure: 1002 mbar Test mode a:TX mode_Keep the EUT in transmitting with modulation mode. 7.4.2 Test Setup Diagram Below 30MHz 30MHz to 1GHz Above 1 GHz

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 20 of 34 7.4.3 Measurement Procedure and Data a. For below 1GHz, the EUT was placed on the top of a rotating table 0.8 meters above the ground at a 3 or 10 meter semi-anechoic chamber. The table was rotated 360 degrees to determine the position of the highest radiation. b. For above 1GHz, the EUT was placed on the top of a rotating table 1.5 meters above the ground at a 3 meter fully-anechoic chamber. The table was rotated 360 degrees to determine the position of the highest radiation. c. The EUT was set 3 or 10 meters away from the interference-receiving antenna, which was mounted on the top of a variable-height antenna tower. d. The antenna height is varied from one meter to four meters above the ground to determine the maximum value of the field strength. Both horizontal and vertical polarizations of the antenna are set to make the measurement. e. For each suspected emission, the EUT was arranged to its worst case and then the antenna was tuned to heights from 1 meter to 4 meters (for the test frequency of below 30MHz, the antenna was tuned to heights 1 meter) and the rotatable table was turned from 0 degrees to 360 degrees to find the maximum reading. f. The test-receiver system was set to Peak Detect Function and Specified Bandwidth with Maximum Hold Mode. g. If the emission level of the EUT in peak mode was 10dB lower than the limit specified, then testing could be stopped and the peak values of the EUT would be reported. Otherwise the emissions that did not have 10dB margin would be re-tested one by one using peak, quasi-peak or average method as specified and then reported in a data sheet. h. Test the EUT in the lowest channel, the middle channel, the Highest channel. i. The radiation measurements are performed in X, Y, Z axis positioning for Transmitting mode, and found the X axis positioning which it is the worst case. j. Repeat above procedures until all frequencies measured was complete. Remark 1: Level= Read Level+ Cable Loss+ Antenna Factor- Preamp Factor Remark 2: For frequencies above 1GHz, the field strength limits are based on average limits. However, the peak field strength of any emission shall not exceed the maximum permitted average limits specified above by more than 20 dB under any condition of modulation. For the emissions whose peak level is lower than the average limit, only the peak measurement is shown in the report.

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 21 of 34 2414.5MHz:

“nLeuel {dBuVim) 825 3 fnbntsbitarteres do ie uhh scedatapncerite | bere Avotaued.—N Ht 27.5 2310 2350 2420 Frequency (MHz) Antenna Polarity :VERTICAL Read Antenna Cable Preamp Emission Limit Over Freq Level Factor Loss Factor Level Line Limit Remark MHz dBuv dB/m dB dB dBuv/m dBuv/m dB 2375.05 48.08 26.01 3.17 37.36 39.90 74.00 —34.10 Peak 2390.00 46.57 26.03 3.15 37.36 38.39 74.00 —35.61 Peak 2414.49 90.31 26.08 3.13 37.36 82.16 74.00 8.16 Peak Note:Emission Level=Read Level+Antenna Factor+Cable loss—Preamp Factor NO.588 West Jindu Road, Songjiang Distrct Shanghal,China 201612 10621)6191508 1862061919078 innwcsgsgroup.comen #B — hi NIR&SARSSS #§%: 201612 (BB21)6191508 (B620)61015678 esgs.china@sgs.com I Member of the SGS Group (SGS SA)

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 23 of 34 2449.5MHz:

1pLevel (dBuVim) mz 1 f{r .} \\ d aig aprelansJoutde en ind db in d it itb eluit dn t hois dnbtninocaurd 27.5 7445 2500 2550 Frequency (MHz) Antenna Polarity :VERTICAL Read Antenna Cable Preamp Emission Limit Over Freq Level Factor Loss Factor Level Line Limit Remark MHz dBuv dB/m dB dB dBuv/m dBuv/m dB 2449.73 93.14 26.13 3.13 37.43 84.97 74.00 10.97 Peak 2483.50 47.57 26.18 3.14 37.51 39.38 74.00 —34.62 Peak 2492.33 48.39 26.19 3.15 37.52 40.21 74.00 —33.79 Peak Note:Emission Level=Read Level+Antenna Factor+Cable loss—Preamp Factor NO.588 West Jindu Road, Songjiang Distrct Shanghal,China 201612 10621)6191508 1862061919078 innwcsgsgroup.comen #B — hi NIR&SARSSS #§%: 201612 (BB21)6191508 (B620)61015678 esgs.china@sgs.com I Member of the SGS Group (SGS SA)

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 25 of 34 7.5 Radiated Emissions Test Requirement 47 CFR Part 15, Subpart C 15.209 & 15.249 (a),(d) Test Method: ANSI C63.10 (2013) Section 6.4&6.5&6.6 Limit: Frequency(MHz) Field strength(microvolts/meter) Measurement distance(meters) 0.009-0.490 2400/F(kHz) 300 0.490-1.705 24000/F(kHz) 30 1.705-30.0 30 30 30-88 100 3 88-216 150 3 216-960 200 3 Above 960 500 3 Remark: The emission limits shown in the above table are based on measurements employing a CISPR quasi-peak detector except for the frequency bands 9-90kHz, 110-490kHz and above 1000 MHz. Radiated emission limits in these three bands are based on measurements employing an average detector, the peak field strength of any emission shall not exceed the maximum permitted average limits specified above by more than 20 dB under any condition of modulation. 7.5.1 E.U.T. Operation Operating Environment: Temperature: 22 C Humidity: 50 % RH Atmospheric Pressure: 1002 mbar Test mode a:TX mode_Keep the EUT in transmitting with modulation mode. 7.5.2 Test Setup Diagram 30MHz to 1GHz Above 1 GHz

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 26 of 34 7.5.3 Measurement Procedure and Data a. For below 1GHz, the EUT was placed on the top of a rotating table 0.8 meters above the ground at a 3 or 10 meter semi-anechoic chamber. The table was rotated 360 degrees to determine the position of the highest radiation. b. For above 1GHz, the EUT was placed on the top of a rotating table 1.5 meters above the ground at a 3 meter fully-anechoic chamber. The table was rotated 360 degrees to determine the position of the highest radiation. c. The EUT was set 3 or 10 meters away from the interference-receiving antenna, which was mounted on the top of a variable-height antenna tower. d. The antenna height is varied from one meter to four meters above the ground to determine the maximum value of the field strength. Both horizontal and vertical polarizations of the antenna are set to make the measurement. e. For each suspected emission, the EUT was arranged to its worst case and then the antenna was tuned to heights from 1 meter to 4 meters (for the test frequency of below 30MHz, the antenna was tuned to heights 1 meter) and the rotatable table was turned from 0 degrees to 360 degrees to find the maximum reading. f. The test-receiver system was set to Peak Detect Function and Specified Bandwidth with Maximum Hold Mode. g. If the emission level of the EUT in peak mode was 10dB lower than the limit specified, then testing could be stopped and the peak values of the EUT would be reported. Otherwise the emissions that did not have 10dB margin would be re-tested one by one using peak, quasi-peak or average method as specified and then reported in a data sheet. h. Test the EUT in the lowest channel, the middle channel, the Highest channel. i. The radiation measurements are performed in X, Y, Z axis positioning for Transmitting mode, and found the X axis positioning which it is the worst case. j. Repeat above procedures until all frequencies measured was complete. Remark: 1) For emission below 1GHz, through pre-scan found the worst case is the lowest channel. Only the worst case is recorded in the report. 2) The field strength is calculated by adding the Antenna Factor, Cable Factor & Preamplifier. The basic equation with a sample calculation is as follows: Final Test Level =Receiver Reading + Antenna Factor + Cable Factor – Preamplifier Factor 3) Scan from 9kHz to 25GHz, the disturbance above 18GHz and below 30MHz was very low. The points marked on above plots are the highest emissions could be found when testing, so only above points had been displayed. The amplitude of spurious emissions from the radiator which are attenuated more than 20dB below the limit need not be reported. 4) For frequencies above 1GHz, the field strength limits are based on average limits. However, the peak field strength of any emission shall not exceed the maximum permitted average limits specified above by more than 20 dB under any condition of modulation. For the emissions whose peak level is lower than the average limit, only the peak measurement is shown

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 27 of 34 30MHz-1GHz: Mode:a; Polarization:Horizontal

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 28 of 34 Mode:a; Polarization:Vertical

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 29 of 34 Above 1GHz: 2414.5MHz: Frequency Reading Factor Emission Limit Over Limit Mark Detector Polarization (MHz) (dBuV) (dB) (dBuV/m) (dBuV/m) (dB) 1 4832 42.75 6.40 49.15 54 -4.85 peak Horizontal 2 7246 38.24 10.76 49.00 54 -5.00 peak Horizontal 3 9663 37.28 14.37 51.65 54 -2.35 peak Horizontal 4 4826 42.19 6.40 48.59 54 -5.41 peak Vertical 5 7248 37.49 10.76 48.25 54 -5.75 peak Vertical 6 9659 32.27 14.37 46.64 54 -7.36 peak Vertical 2434.5MHz: Frequency Reading Factor Emission Limit Over Limit Mark Detector Polarization (MHz) (dBuV) (dB) (dBuV/m) (dBuV/m) (dB) 1 4863 38.44 6.92 45.36 54 -8.64 peak Horizontal 2 7312 35.08 11.08 46.16 54 -7.84 peak Horizontal 3 9745 33.68 14.36 48.04 54 -5.96 peak Horizontal 4 4868 41.60 6.92 48.52 54 -5.48 peak Vertical 5 7303 36.51 11.08 47.59 54 -6.41 peak Vertical 6 9734 34.12 14.36 48.48 54 -5.52 peak Vertical 2449.5MHz: Frequency Reading Factor Emission Limit Over Limit Mark Detector Polarization (MHz) (dBuV) (dB) (dBuV/m) (dBuV/m) (dB) 1 4915 40.38 7.31 47.69 54 -6.31 peak Horizontal 2 7376 39.96 11.41 51.37 54 -2.63 peak Horizontal 3 9835 33.76 14.38 48.14 54 -5.86 peak Horizontal 4 4924 41.03 7.31 48.34 54 -5.66 peak Vertical 5 7386 37.5 11.41 48.91 54 -5.09 peak Vertical 6 9848 35.28 14.38 49.66 54 -4.34 peak Vertical

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 30 of 34 7.6 99% Bandwidth Test Requirement RSS-Gen Section 6.6 Test Method: RSS-Gen Section 6.7 Limit: N/A 7.6.1 E.U.T. Operation Operating Environment: Temperature: 20 C Humidity: 50 % RH Atmospheric Pressure: 1010 mbar Test mode a:TX mode_Keep the EUT in transmitting with modulation mode. 7.6.2 Test Setup Diagram 7.6.3 Measurement Procedure and Data 1.Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum; 2.Set the spectrum analyzer: Span = approximately 2 to 3 times the 20dB bandwidth, centred on the hopping channel; 3.Set the spectrum analyzer: RBW = 1% of the span (set 30 kHz). VBW >= RBW. Sweep = auto; Detector Function = Peak. Trace = Max Hold. 4.Mark the peak frequency and using the 99% OBW function measure the bandwidth. Frequency Bandwidth (MHz) Result (MHz) 2414.5 0.762 PASS 2434.5 0.810 PASS 2449.5 0.762 PASS

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 31 of 34 Test plot as follows: Channel: 2414.5MHz * RBW 30 kHz Marker 1 [T1 ] VBW 100 kHz -3.01 dBm Ref 20 dBm * Att 30 dB * SWT 25 ms 2.414446000 GHz 20 OBW762.000000000 kHz Temp 1 [T1 OBW] -21.33 dBm A 10 2.414128000 GHz 1 PK Temp 2 [T1 OBW] MAXH 0 1 -22.07 dBm 2.414890000 GHz -10 T1 T2 -20 -30 -40 -50 -60 -70 -80 Center 2.4145 GHz 300 kHz/ Span 3 MHz Channel: 2434.5MHz Date: 19.FEB.2019 17:36:46 * RBW 30 kHz Marker 1 [T1 ] VBW 100 kHz -4.81 dBm Ref 20 dBm * Att 30 dB * SWT 25 ms 2.434500000 GHz 20 OBW810.000000000 kHz Temp 1 [T1 OBW] -27.20 dBm A 10 2.434086000 GHz 1 PK Temp 2 [T1 OBW] MAXH 0 -24.58 dBm 1 2.434896000 GHz -10 -20 T2 T1 -30 -40 -50 -60 -70 -80 Center 2.4345 GHz 300 kHz/ Span 3 MHz Date: 19.FEB.2019 17:43:14

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 32 of 34 Channel: 2449.5MHz * RBW 30 kHz Marker 1 [T1 ] VBW 100 kHz -3.49 dBm Ref 20 dBm * Att 30 dB * SWT 25 ms 2.449434000 GHz 20 OBW762.000000000 kHz Temp 1 [T1 OBW] -22.47 dBm A 10 2.449110000 GHz 1 PK Temp 2 [T1 OBW] MAXH 0 1 -21.33 dBm 2.449872000 GHz -10 T1 T2 -20 -30 -40 -50 -60 -70 -80 Center 2.4495 GHz 300 kHz/ Span 3 MHz Date: 19.FEB.2019 17:51:02

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 33 of 34 7.7 Frequency tolerance Test Requirement RSS-210 A2.6 (a) Test Method: RSS-210 A2.6 (a) Limit: 1.356kHz 7.7.1 E.U.T. Operation Operating Environment: Temperature: 20 C Humidity: 50 % RH Atmospheric Pressure: 1010 mbar Test mode a:TX mode_Keep the EUT in transmitting with modulation mode. 7.7.2 Test Setup Diagram 7.7.3 Measurement Procedure and Data Note：Frequency stability requested in RSS GEN S8.11 has been complied since the result of band edge can demonstrate.

SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. Report No.: SHEM181200000201 Page: 34 of 34 8 Test Setup Photographs Refer to the < Test Setup photos-FCC>. 9 EUT Constructional Details Refer to the < External Photos > & < Internal Photos >. - End of the Report -


Document Created: 2019-08-29 12:07:06
Document Modified: 2019-08-29 12:07:06
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