RF Test Report

FCC ID: XQPMZ061824TX

Test Report

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FCCID_4219533

Test Report No.: RF180711N002 TEST REPORT Applicant: NKOK, Inc. Address: 5354 Irwindale Ave Unit A Irwindale California United States Manufacturer or Supplier NKOK, Inc. Address 5354 Irwindale Ave Unit A Irwindale California United States Product: 4X4 Xtreme RC Brand Name: N/A Model: 80901 Additional Model & N/A Model Difference Date of tests: Jul. 11, 2018 ~ Aug. 18, 2018 the tests have been carried out according to the requirements of the following standard: FCC Part 15, Subpart C, Section 15.249 CONCLUSION: The submitted sample was found to COMPLY with the test requirement Tested by Ryan Lu Approved by Breeze Jiang Project Engineer / EMC Department Senior Project Engineer / EMC Department Date: Mar. 19, 2019 This report is governed by, and incorporates by reference, CPS Conditions of Service as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our-business/cps/about-us/terms-conditions/and is intended for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to us. Measurement uncertainty is only provided upon request for accredited tests. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; provided, however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute you unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 1 of 25 Report Version 1

Test Report No.: RF180711N002 TABLE OF CONTENTS RELEASE CONTROL RECORD ............................................................................................................ 3 1 SUMMARY OF TEST RESULTS .................................................................................................... 4 2 MEASUREMENT UNCERTAINTY ................................................................................................. 4 3 GENERAL INFORMATION ............................................................................................................ 5 3.1 GENERAL DESCRIPTION OF EUT ............................................................................................ 5 3.2 DESCRIPTION OF TEST MODES .............................................................................................. 6 3.3 GENERAL DESCRIPTION OF APPLIED STANDARDS ............................................................. 7 3.4 DESCRIPTION OF SUPPORT UNITS ........................................................................................ 7 4. TEST TYPES AND RESULTS........................................................................................................ 8 4.1 RADIATED EMISSION MEASUREMENT ................................................................................... 8 4.1.1 LIMITS OF RADIATED EMISSION MEASUREMENT ...................................................... 8 4.1.2 TEST INSTRUMENTS ....................................................................................................... 9 4.1.3 TEST PROCEDURES ..................................................................................................... 10 4.1.4 DEVIATION FROM TEST STANDARD ........................................................................... 10 4.1.5 TEST SETUP ....................................................................................................................11 4.1.6 EUT OPERATING CONDITIONS .................................................................................... 12 4.1.7 TEST RESULTS .............................................................................................................. 13 4.2 20dB BANDWIDTH MEASUREMENT ...................................................................................... 20 4.2.1 LIMITS OF 20dB BANDWIDTH MEASUREMENT ........................................................... 20 4.2.2 TEST INSTRUMENTS ...................................................................................................... 20 4.2.3 TEST PROCEDURE ......................................................................................................... 21 4.2.4 DEVIATION FROM TEST STANDARD ............................................................................. 21 4.2.5 TEST SETUP .................................................................................................................... 21 4.2.6 EUT OPERATING CONDITIONS ..................................................................................... 21 4.2.7 TEST RESULTS ................................................................................................................ 22 5. PHOTOGRAPHS OF THE TEST CONFIGURATION .................................................................. 24 6. APPENDIX A - MODIFICATIONS RECORDERS FOR ENGINEERING CHANGES TO THE EUT BY THE LAB .......................................................................................................................... 25 No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 2 of 25 Report Version 1

Test Report No.: RF180711N002 RELEASE CONTROL RECORD ISSUE NO. REASON FOR CHANGE DATE ISSUED RF180711N002 Original release Mar. 19, 2019 No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 3 of 25 Report Version 1

Test Report No.: RF180711N002 1 SUMMARY OF TEST RESULTS The EUT has been tested according to the following specifications: APPLIED STANDARD: FCC PART 15, SUBPART C (SECTION 15.249) STANDARD TEST TYPE AND LIMIT RESULT REMARK SECTION No antenna connector is §15.203 Antenna Requirement PASS used §15.207 (a) Conducted Emission N/A Powered from battery §15.205 Restricted Band of Operation PASS Compliant §15.209 Radiated Emission PASS Compliant §15.249(a) §15.215(c) 20dB Bandwidth Test PASS Compliant 2 MEASUREMENT UNCERTAINTY Where relevant, the following measurement uncertainty levels have been estimated for tests performed on the EUT as specified in CISPR 16-4-2: MEASUREMENT FREQUENCY UNCERTAINTY 9KHz ~ 30MHz 2.90dB 30MHz ~ 1GMHz 3.76dB Radiated emissions 1GHz ~ 18GHz 4.84dB 18GHz ~ 40GHz 4.96dB This uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k = 2. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 4 of 25 Report Version 1

Test Report No.: RF180711N002 3 GENERAL INFORMATION 3.1 GENERAL DESCRIPTION OF EUT PRODUCT 4X4 Xtreme RC MODEL NO. 80901 ADDITIONAL MODELS N/A FCC ID XQPMZ061824TX NOMINAL VOLTAGE DC 9V from battery MODULATION TECHNOLOGY GFSK OPERATING FREQUENCY 2420-2462MHz ANTENNA TYPE Wire Antenna, with 1.9dBi gain I/O PORTS Refer to user’s manual CABLE SUPPLIED N/A NOTE: 1. For a more detailed features description, please refer to the manufacturer’s specifications or the user's manual. 2. For the test results, the EUT had been tested with all conditions, but only the worst case was shown in test report. 3. Please refer to the EUT photo document (Reference No.: 180711N002) for detailed product photo. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 5 of 25 Report Version 1

Test Report No.: RF180711N002 3.2 DESCRIPTION OF TEST MODES Pre-Scan has been conducted to determine the worst-case mode from all possible combinations between available modulations, data rates, XYZ axis and packet type. The worst case was found when the EUT was positioned on Y axis for radiated emission. The EUT was tested under the following mode. EUT CONFIGURE APPLICABLE TO DESCRIPTION MODE RE<1G RE≥1G PLC BW A √ √ - √ DC 9V from new battery Where RE<1G: Radiated Emission below 1GHz RE≥1G: Radiated Emission above 1GHz PLC: Power Line Conducted Emission BW: 20db bandwidth NOTE: No need to concern of Conducted Emission due to the EUT is powered by battery. Following channel(s) was (were) selected for the test as listed below. TESTED CHANNEL TESTED FREQUENCY Low 2420 MHz Middle 2447 MHz High 2462 MHz Channel List Freq. Freq. Freq. Freq. Channel (MHz) Channel (MHz) Channel (MHz) Channel (MHz) 1 2420 2 2422 3 2424 4 2426 5 2428 6 2430 7 2431 8 2433 9 2435 10 2437 11 2439 12 2441 13 2443 14 2445 15 2446 16 2447 17 2449 18 2451 19 2453 20 2455 21 2457 22 2459 23 2461 24 2462 No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 6 of 25 Report Version 1

Test Report No.: RF180711N002 TEST CONDITION: APPLICABLE TO ENVIRONMENTAL CONDITIONS INPUT POWER TESTED BY RE 25deg. C, 55%RH DC 9V from new battery Sen He BW 25deg. C, 55%RH DC 9V from new battery Sen He PLC - - - 3.3 GENERAL DESCRIPTION OF APPLIED STANDARDS The EUT is a RF Product. According to the specifications of the manufacturer, it must comply with the requirements of the following standards: FCC Part 15, Subpart C, Section 15.249 ANSI C63.10-2013 All test items have been performed and recorded as per the above standards. 3.4 DESCRIPTION OF SUPPORT UNITS The EUT has been tested as a dependent unit together without other necessary accessories or support units. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 7 of 25 Report Version 1

Test Report No.: RF180711N002 4. TEST TYPES AND RESULTS 4.1 RADIATED EMISSION MEASUREMENT 4.1.1 LIMITS OF RADIATED EMISSION MEASUREMENT Emissions radiated outside of the specified bands, shall be according to the general radiated limits in 15.209 as following: FREQUENCIES FIELD STRENGTH MEASUREMENT DISTANCE (MHz) (microvolts/meter) (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 According to §15.249(a), the field strength of emissions from intentional radiators operated within these frequency bands shall comply with the following: Fundamental Field strength of Field strength of Frequency fundamental harmonics (milli-volts/meter) (micro-volts/meter) 902-928 MHz 50 500 2400-2483.5 MHz 50 500 5725-5875 MHz 50 500 24.0-24.25 GHz 250 2500 The emission limit in this paragraph is based on measurement instrumentation employing an average detector. The provisions in §15.35 for limiting peak emissions apply. NOTE: 1. The lower limit shall apply at the transition frequencies. 2. Emission level (dBuV/m) = 20 log Emission level (uV/m). 3. As shown in 15.35(b), for frequencies above 1000MHz, the field strength limits are based on average detector, however, the peak field strength of any emission shall not exceed the maximum permitted average limits, specified above by more than 20dB under any condition of modulation. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 8 of 25 Report Version 1

Test Report No.: RF180711N002 4.1.2 TEST INSTRUMENTS Equipment Manufacturer Model No. Serial No. Last Cal. Next Cal. EMI Test Receiver Rohde&Schwarz ESU40 100449 Mar. 21,18 Mar. 20,19 Signal and Spectrum Rohde&Schwarz FSV7 102331 Nov. 04,17 Nov. 03,18 Analyzer Active Loop Antenna SCHWARZBECK FMZB 1519B 1519B-045 May 31,18 May 30,19 (9KHz -30MHz) Amplifier Burgeon BPA-530 100210 Apr. 18,18 Apr. 18,19 (9KHz -1GHz) Bilog Antenna Teseq CBL 6111D 30643 Jul. 28, 18 Jul. 27, 19 (20MHz -2GHz) Horn Antenna ETS -Lindgren 3117 00062558 Jun. 02,18 Jun. 01,19 (1GHz -18GHz) Horn Antenna SCHWARZBECK BBHA 9170 BBHA9170242 May 05,18 May 04,19 (18GHz -40GHz) 3m Semi-anechoic ETS-LINDGREN 9m*6m*6m NSEMC003 Feb. 10,18 Feb. 09,19 Chamber ADT_Radiated Test Software ADT N/A N/A N/A _V7.6.15.9.2 Broadband Preamplifier SCHWARZBECK BBV9718 305 Apr. 18,18 Apr. 18,19 (1GHz~18GHz) Pre-Amplifier EMCI EMC 184045 980102 Nov. 08,17 Nov. 07,18 (18GHz-40GHz) ADT_Radiated Test Software ADT N/A N/A N/A _V7.6.15.9.2 BLUETOOTH Rohde&Schwarz CBT32 100811 Aug. 10,18 Aug. 09,19 TESTER NOTE: 1. The test was performed in 966 Chamber. 2. The calibration interval of the above test instruments are 12 months and the calibrations are traceable to CEPREI/CHINA, GRGT/CHINA and NIM/CHINA. 3. The horn antenna is used only for the measurement of emission frequency above1GHz if tested. 4. The FCC Site Registration No. is 749762. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 9 of 25 Report Version 1

Test Report No.: RF180711N002 4.1.3 TEST PROCEDURES a. The EUT was placed on the top of a rotating table 1.5 meters (above 1GHz) and 0.8 meters (below 1GHz) above the ground at a 3 meters semi-anechoic chamber. 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 is a broadband antenna, and its 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 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. For below 30MHz, a loop antenna with its vertical plane is place 3m from the EUT and rotated about its vertical axis for maximum response at each azimuth about the EUT. And the centre of the loop shall be 1m above the ground. g. If the emission level of the EUT in peak mode was lower than the limit specified, then testing could be stopped and the peak values of the EUT would be reported. Otherwise the emissions would be re-tested one by one using peak, quasi-peak or average method as specified and then reported in a data sheet. NOTE: 1. The resolution bandwidth and video bandwidth of test receiver/spectrum analyzer is 120kHz for Quasi-peak detection at frequency below 1GHz. 2. The resolution bandwidth of test receiver/spectrum analyzer is 1MHz and video bandwidth is 3MHz for Peak detection at frequency above 1GHz. 3. The resolution bandwidth of test receiver/spectrum analyzer is 1MHz and the video bandwidth is 10Hz for Average detection (AV) at frequency above 1GHz. 4. All modes of operation were investigated and the worst-case emissions are reported. 5. The testing of the EUT was performed on all 3 orthogonal axes; the worst-case test configuration was reported on the file test setup photo. 4.1.4 DEVIATION FROM TEST STANDARD No deviation. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 10 of 25 Report Version 1

Test Report No.: RF180711N002 4.1.5 TEST SETUP Below 30MHz test setup Below 1GHz test setup Ant. Tower 1-4m 3m EUT Turn Table 0.8m Ground Plane Spectrum No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 11 of 25 Report Version 1

Test Report No.: RF180711N002 Above 1GHz test setup Note: For the actual test configuration, please refer to the attached file (Test Setup Photo). 4.1.6 EUT OPERATING CONDITIONS a) Turned on the power of all equipment. b) EUT was operated according to the type used was description in manufacturer’s specifications or the User's Manual. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 12 of 25 Report Version 1

Test Report No.: RF180711N002 4.1.7 TEST RESULTS BELOW 1GHz WORST-CASE DATA CHANNEL TX Middle Channel DETECTOR Quasi-Peak (QP) FREQUENCY RANGE 9KHz ~ 1GHz FUNCTION ANTENNA POLARITY & TEST DISTANCE: HORIZONTAL AT 3 M EMISSION ANTENNA TABLE RAW CORRECTION FREQ. LIMIT MARGIN NO. LEVEL HEIGHT ANGLE VALUE FACTOR (MHz) (dBuV/m) (dB) (dBuV/m) (m) (Degree) (dBuV) (dB/m) 1 30.00 17.93 QP 40.00 -22.07 1.00 H 158 29.06 -11.13 2 143.48 14.59 QP 43.50 -28.91 1.00 H 103 31.37 -16.78 3 311.36 16.97 QP 46.00 -29.03 1.00 H 185 29.35 -12.38 4 409.29 20.39 QP 46.00 -25.61 1.00 H 65 28.61 -8.22 5 550.75 25.35 QP 46.00 -20.65 1.00 H 144 29.72 -4.37 6 659.57 25.64 QP 46.00 -20.36 1.00 H 175 28.83 -3.19 REMARKS: 1. Emission level (dBuV/m) = Raw Value (dBuV) + Correction Factor (dB/m). 2. Correction Factor (dB/m) = Antenna Factor (dB/m) + Cable Factor (dB). 3. The emission levels of other frequencies were less than 20dB margin against the limit. 4. Margin value = Emission level – Limit value. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 13 of 25 Report Version 1

Test Report No.: RF180711N002 CHANNEL TX Middle Channel DETECTOR Quasi-Peak (QP) FREQUENCY RANGE 9KHz ~ 1GHz FUNCTION ANTENNA POLARITY & TEST DISTANCE: VERTICAL AT 3 M EMISSION ANTENNA TABLE RAW CORRECTION FREQ. LIMIT MARGIN NO. LEVEL HEIGHT ANGLE VALUE FACTOR (MHz) (dBuV/m) (dB) (dBuV/m) (m) (Degree) (dBuV) (dB/m) 1 30.00 18.09 QP 40.00 -21.91 1.00 V 16 29.22 -11.13 2 525.88 22.66 QP 46.00 -23.34 1.00 V 129 28.49 -5.83 3 583.40 23.33 QP 46.00 -22.67 1.00 V 55 27.87 -4.54 4 672.00 24.73 QP 46.00 -21.27 1.00 V 142 27.79 -3.06 5 751.28 28.82 QP 46.00 -17.18 1.00 V 114 29.99 -1.17 6 839.89 28.56 QP 46.00 -17.44 1.00 V 100 29.42 -0.86 REMARKS: 1. Emission level (dBuV/m) = Raw Value (dBuV) + Correction Factor (dB/m). 2. Correction Factor (dB/m) = Antenna Factor (dB/m) + Cable Factor (dB). 3. The emission levels of other frequencies were less than 20dB margin against the limit. 4. Margin value = Emission level – Limit value. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 14 of 25 Report Version 1

Test Report No.: RF180711N002 ABOVE 1GHz WORST-CASE DATA: CHANNEL TX Low Channel DETECTOR Peak (PK) FREQUENCY RANGE 1GHz ~ 25GHz FUNCTION Average (AV) ANTENNA POLARITY & TEST DISTANCE: HORIZONTAL AT 3 M EMISSION ANTENNA TABLE RAW CORRECTION FREQ. LIMIT MARGIN NO. LEVEL HEIGHT ANGLE VALUE FACTOR (MHz) (dBuV/m) (dB) (dBuV/m) (m) (Degree) (dBuV) (dB/m) 1 2389.79 56.35 PK 74.00 -17.65 2.07 H 138 53.50 2.85 2 2389.79 48.58 AV 54.00 -5.42 2.07 H 138 45.73 2.85 3 *2420.00 87.39 PK 114.00 -26.61 2.07 H 138 84.44 2.95 4 *2420.00 79.62 AV 94.00 -14.38 2.07 H 138 76.67 2.95 5 4840.00 58.75 PK 74.00 -15.25 1.00 H 154 52.40 6.35 6 4840.00 50.98 AV 54.00 -3.02 1.00 H 154 44.63 6.35 7 7260.00 56.83 PK 74.00 -17.17 1.00 H 265 47.55 9.28 8 7260.00 49.06 AV 54.00 -4.94 1.00 H 265 39.78 9.28 ANTENNA POLARITY & TEST DISTANCE: VERTICAL AT 3 M EMISSION ANTENNA TABLE RAW CORRECTION FREQ. LIMIT MARGIN NO. LEVEL HEIGHT ANGLE VALUE FACTOR (MHz) (dBuV/m) (dB) (dBuV/m) (m) (Degree) (dBuV) (dB/m) 1 2400.00 54.13 PK 74.00 -19.87 1.00 V 307 51.25 2.88 2 2400.00 46.36 AV 54.00 -7.64 1.00 V 307 43.48 2.88 3 *2420.00 94.71 PK 114.00 -19.29 1.00 V 307 91.76 2.95 4 *2420.00 86.94 AV 94.00 -7.06 1.00 V 307 83.99 2.95 5 4840.00 58.63 PK 74.00 -15.37 1.00 V 241 52.28 6.35 6 4840.00 50.86 AV 54.00 -3.14 1.00 V 241 44.51 6.35 7 7260.00 59.09 PK 74.00 -14.91 1.00 V 30 49.81 9.28 8 7260.00 51.32 AV 54.00 -2.68 1.00 V 30 42.04 9.28 REMARKS: 1. Emission level (dBuV/m) = Raw Value (dBuV) + Correction Factor (dB/m). 2. Correction Factor (dB/m) = Antenna Factor (dB/m) + Cable Factor (dB). 3. The emission levels of other frequencies were less than 20dB margin against the limit. 4. Margin value = Emission level – Limit value. 5. " * ": Fundamental frequency. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 15 of 25 Report Version 1

Test Report No.: RF180711N002 Band edge Plot 2420MHz Horizontal 2420MHz Vertical No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 16 of 25 Report Version 1

Test Report No.: RF180711N002 CHANNEL TX Middle Channel DETECTOR Peak (PK) FREQUENCY RANGE 1GHz ~ 25GHz FUNCTION Average (AV) ANTENNA POLARITY & TEST DISTANCE: HORIZONTAL AT 3 M EMISSION ANTENNA TABLE RAW CORRECTION FREQ. LIMIT MARGIN NO. LEVEL HEIGHT ANGLE VALUE FACTOR (MHz) (dBuV/m) (dB) (dBuV/m) (m) (Degree) (dBuV) (dB/m) 1 *2447.00 88.52 PK 114.00 -25.48 1.45 H 148 85.47 3.05 2 *2447.00 80.75 AV 94.00 -13.25 1.45 H 148 77.70 3.05 3 4894.00 60.52 PK 74.00 -13.48 1.00 H 256 54.13 6.39 4 4894.00 52.75 AV 54.00 -1.25 1.00 H 256 46.36 6.39 5 7341.00 55.67 PK 74.00 -18.33 1.00 H 156 46.43 9.24 6 7341.00 47.90 AV 54.00 -6.10 1.00 H 156 38.66 9.24 ANTENNA POLARITY & TEST DISTANCE: VERTICAL AT 3 M EMISSION ANTENNA TABLE RAW CORRECTION FREQ. LIMIT MARGIN NO. LEVEL HEIGHT ANGLE VALUE FACTOR (MHz) (dBuV/m) (dB) (dBuV/m) (m) (Degree) (dBuV) (dB/m) 1 *2447.00 93.20 PK 114.00 -20.80 1.00 V 360 90.15 3.05 2 *2447.00 85.43 AV 94.00 -8.57 1.00 V 360 82.38 3.05 3 4894.00 59.23 PK 74.00 -14.77 1.56 V 209 52.84 6.39 4 4894.00 51.46 AV 54.00 -2.54 1.56 V 209 45.07 6.39 5 7341.00 56.05 PK 74.00 -17.95 1.00 V 26 46.81 9.24 6 7341.00 48.28 AV 54.00 -5.72 1.00 V 26 39.04 9.24 REMARKS: 1. Emission level (dBuV/m) = Raw Value (dBuV) + Correction Factor (dB/m). 2. Correction Factor (dB/m) = Antenna Factor (dB/m) + Cable Factor (dB). 3. The emission levels of other frequencies were less than 20dB margin against the limit. 4. Margin value = Emission level – Limit value. 5. " * ": Fundamental frequency. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 17 of 25 Report Version 1

Test Report No.: RF180711N002 CHANNEL TX High Channel DETECTOR Peak (PK) FREQUENCY RANGE 1GHz ~ 25GHz FUNCTION Average (AV) ANTENNA POLARITY & TEST DISTANCE: HORIZONTAL AT 3 M EMISSION ANTENNA TABLE RAW CORRECTION FREQ. LIMIT MARGIN NO. LEVEL HEIGHT ANGLE VALUE FACTOR (MHz) (dBuV/m) (dB) (dBuV/m) (m) (Degree) (dBuV) (dB/m) 1 *2462.00 87.68 PK 114.00 -26.32 1.53 H 52 84.59 3.09 2 *2462.00 79.91 AV 94.00 -14.09 1.53 H 52 76.82 3.09 3 2483.50 56.43 PK 74.00 -17.57 1.53 H 52 53.27 3.16 4 2483.50 48.66 AV 54.00 -5.34 1.53 H 52 45.50 3.16 5 4930.00 59.93 PK 74.00 -14.07 1.00 H 219 53.52 6.41 6 4930.00 52.16 AV 54.00 -1.84 1.00 H 219 45.75 6.41 7 7386.75 56.35 PK 74.00 -17.65 1.00 H 254 47.13 9.22 8 7386.75 48.58 AV 54.00 -5.42 1.00 H 254 39.36 9.22 ANTENNA POLARITY & TEST DISTANCE: VERTICAL AT 3 M EMISSION ANTENNA TABLE RAW CORRECTION FREQ. LIMIT MARGIN NO. LEVEL HEIGHT ANGLE VALUE FACTOR (MHz) (dBuV/m) (dB) (dBuV/m) (m) (Degree) (dBuV) (dB/m) 1 *2462.00 91.02 PK 114.00 -22.98 1.00 V 199 87.93 3.09 2 *2462.00 83.25 AV 94.00 -10.75 1.00 V 199 80.16 3.09 3 2483.50 51.16 PK 74.00 -22.84 1.00 V 199 48.00 3.16 4 2483.50 43.39 AV 54.00 -10.61 1.00 V 199 40.23 3.16 5 4922.00 59.35 PK 74.00 -14.65 1.25 V 263 52.95 6.40 6 4922.00 51.58 AV 54.00 -2.42 1.25 V 263 45.18 6.40 7 7386.38 56.20 PK 74.00 -17.80 1.25 V 235 46.98 9.22 8 7386.38 48.43 AV 54.00 -5.57 1.25 V 235 39.21 9.22 REMARKS: 1. Emission level (dBuV/m) = Raw Value (dBuV) + Correction Factor (dB/m). 2. Correction Factor (dB/m) = Antenna Factor (dB/m) + Cable Factor (dB). 3. The emission levels of other frequencies were less than 20dB margin against the limit. 4. Margin value = Emission level – Limit value. 5. " * ": Fundamental frequency. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 18 of 25 Report Version 1

Test Report No.: RF180711N002 Band edge Plot 2462MHz Horizontal 2462MHz Vertical No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 19 of 25 Report Version 1

Test Report No.: RF180711N002 4.2 20dB BANDWIDTH MEASUREMENT 4.2.1 LIMITS OF 20dB BANDWIDTH MEASUREMENT According to FCC 15.215(c), must be designed to ensure that the 20 dB bandwidth of the emission, or whatever bandwidth may otherwise be specified in the specific rule section under which the equipment operates, is contained within the frequency band designated in the rule section under which the equipment is operated. 4.2.2 TEST INSTRUMENTS Equipment Manufacturer Model No. Serial No. Last Cal. Next Cal. Power Sensor Keysight U2021XA MY55060016 Jun. 13,18 Jun. 12,19 Power Sensor Keysight U2021XA MY55060018 Jun. 13,18 Jun. 12,19 Power Meter Anritsu ML2495A 1139001 Apr. 13,18 Apr. 13,19 Power Sensor Anritsu MA2411B 1531155 Apr. 13,18 Apr. 13,19 Digital Multimeter FLUKE 15B A1220010DG Oct. 21, 17 Oct.20, 18 Humid & Temp Haida HD-2257 110807201 Sep.05,17 Sep. 04,18 Programmable Tester Oscilloscope Agilent DSO9254A MY51260160 Nov. 08,17 Nov. 07,18 Signal Analyzer Rohde & Schwarz FSV7 102331 Nov. 04,17 Nov. 03,18 Signal Generator Agilent N5183A MY50140980 Jan. 02,18 Jan. 01,19 Agile Signal Agilent 8645A Agilent Sep.01, 17 Aug.31, 18 Generator Spectrum Analyzer Keysight N9020A MY55400499 Mar. 21,18 Mar. 20,19 MXG-B RF Vector Keysight N5182B MY56200288 Jan. 02,18 Jan. 01,19 Signal Generator BLUETOOTH Rohde&Schwarz CBT32 100811 Jul.06, 18 Jul. 05, 19 TESTER Attenuator MINI BW-S10W2+ S130129FGE2 N/A N/A DC Source Keysight E3642A MY56146098 N/A N/A NOTE: 1. The test was performed in RF Oven room. 2. The calibration interval of the above test instruments is 12 months and the calibrations are traceable to CEPREI/CHINA, GRGT/CHINA and NIM/CHINA. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 20 of 25 Report Version 1

Test Report No.: RF180711N002 4.2.3 TEST PROCEDURE a. Check the calibration of the measuring instrument using either an internal calibrator or a known signal from an external generator. b. Turn on the EUT and connect it to measurement instrument. Then set it to any one convenient frequency within its operating range. Set a reference level on the measuring instrument equal to the highest peak value. c. Measure the frequency difference of two frequencies that were attenuated 20dB from the reference level. Record the frequency difference as the emission bandwidth. d. Repeat above procedures until all frequencies measured were complete. 4.2.4 DEVIATION FROM TEST STANDARD No deviation. 4.2.5 TEST SETUP EUT SPECTRUM 10dB ATTENUATION ANALYZER PAD 4.2.6 EUT OPERATING CONDITIONS a) Turned on the power of all equipment. b) EUT was operated according to the type used was description in manufacturer’s specifications or the User's Manual. No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 21 of 25 Report Version 1

Test Report No.: RF180711N002 4.2.7 TEST RESULTS CHANNEL FREQUENCY 20dB BANDWIDTH CHANNEL (MHz) (MHz) Low 2420 2.5010 Middle 2447 2.6090 High 2462 2.6510 Test Data: Low channel No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 22 of 25 Report Version 1

Test Report No.: RF180711N002 Test Data: Middle channel Test Data: High channel No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 23 of 25 Report Version 1

Test Report No.: RF180711N002 5. PHOTOGRAPHS OF THE TEST CONFIGURATION Please refer to the attached file (Test Setup Photo). No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 24 of 25 Report Version 1

Test Report No.: RF180711N002 6. APPENDIX A - MODIFICATIONS RECORDERS FOR ENGINEERING CHANGES TO THE EUT BY THE LAB No any modifications are made to the EUT by the lab during the test. ---END--- No. 34, Chenwulu Section, Guantai Rd., Houjie Tel: +86 769 8998 2098 Bureau Veritas Shenzhen Co., Ltd. Town, Dongguan City, Fax: +86 769 8593 1080 Dongguan Branch Guangdong 523942, China Email: customerservice.dg@cn.bureauveritas.com Page 25 of 25 Report Version 1


Document Created: 2019-03-29 06:08:25
Document Modified: 2019-03-29 06:08:25
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