Test Report 2 (ZigBee)

FCC ID: S7A-SP57

Test Report

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FCCID_4066693

Li«CT HCTCO,,LTD. 74, Seoicheon—ro 578beon—gil, Majang—myeon, Icheon—si, Gyeonggi—do, 17383, Rep. of KOREA TEL: +82—31—645—6300 FAX: +82—31—645—6401 FCC / IC Zigbee REPORT Certification FCC/ IC Applicant Name: Sena Technologies, Inc. Date of Issue: November 06, 2018 FCC Address: 8 . . Test Site/Location: 19, Heolleung—ro 569—gil, Gangnam—gu, Seoul, South cT Co., LTD., 74,Seoicheon—ro 578beon—gil,Majang— Korea myeo,Icheon—si, Gyeonggi—do, 17383, Rep. of KOREA IC Address: Report No.: HCT—RF—1810—FI018—R1 210 Yangjae—dong, Seocho—gu Seoul 137—130 Korea (Republic Of) FCC ID: STA—SP57 IC: 8154A—SP57 APPLICANT: Sena Technologies, Inc. Model: SP57 EUT Type: Motorcycle Bluetooth Communication System with Mesh Intercom Frequency Range: 2410 MHz — 2475 MHz (Zigbee Mode) Modulation type: O—QPSK FCC Classification: Digital Transmission System(DTS) FCC Rule Part(s): Part 15.247 IC Rule Part(s): RSS—247 Issue 2, RSS—Gen Issue 5 Engineering Statement: The measurements shown in this report were made in accordance with the procedures indicated, and the emissions from this equipment were found to be within the limits applicable. | assume full responsibility for the accuracy and completeness of these measurements, and for the qualifications ofall persons taking them. HCT CO., LTD. Certifies that no party to this application has subject to a denial of Federal benefits that includes FCC benefits pursuant to section 5301 of the Anti—Drug Abuse Act of 1998,21 U.S. C.853(a) Report prepared by : Se Wook Park Approved by : Jong Seok Lee Engineer of Telecommunication testing center Manager of Telecommunication testing center This report only responds to the tested sample and may not be reproduced, except in full, without written approval of the HCT Co., Ltd. F—TP22—03 (Rev.00) 1 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 Version TEST REPORT NO. DATE DESCRIPTION HCT-RF-1810-FI018 October 25, 2018 - First Approval Report HCT-RF-1810-FI018-R1 November 06, 2018 - Revised the ISED Registration date on Page 6 F-TP22-03 (Rev.00) 2 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 Table of Contents 1. EUT DESCRIPTION ...................................................................................................................................... 4 2. TEST METHODOLOGY ................................................................................................................................ 5 EUT CONFIGURATION ............................................................................................................................. 5 EUT EXERCISE ......................................................................................................................................... 5 GENERAL TEST PROCEDURES ............................................................................................................. 5 DESCRIPTION OF TEST MODES ............................................................................................................ 5 3. INSTRUMENT CALIBRATION...................................................................................................................... 6 4. FACILITIES AND ACCREDITATIONS .......................................................................................................... 6 FACILITIES ................................................................................................................................................ 6 EQUIPMENT .............................................................................................................................................. 6 5. ANTENNA REQUIREMENTS ....................................................................................................................... 7 6. MEASUREMENT UNCERTAINTY ................................................................................................................ 8 7. DESCRIPTION OF TESTS ........................................................................................................................... 9 8. SUMMARY TEST OF RESULTS ................................................................................................................ 19 9. TEST RESULT ............................................................................................................................................ 20 9.1 DUTY CYCLE..................................................................................................................................... 20 9.2 RADIATED SPURIOUS EMISSIONS ................................................................................................ 21 9.3 RADIATED RESTRICTED BAND EDGES ........................................................................................ 25 9.4 RECEIVER SPURIOUS EMISSIONS ................................................................................................ 28 10. LIST OF TEST EQUIPMENT .................................................................................................................... 29 11. ANNEX A_ TEST SETUP PHOTO ............................................................................................................ 30 F-TP22-03 (Rev.00) 3 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 1. EUT DESCRIPTION Model SP57 EUT Type Motorcycle Bluetooth Communication System with Mesh Intercom Power Supply DC 3.70 V Frequency Range 2410 MHz ~ 2475 MHz Modulation Type O-QPSK Number of Channels 14 Channels Antenna type: PCB Pattern Antenna Antenna Specification Peak Gain : 0.50 dBi Date(s) of Tests October 19, 2018 ~ October 23, 2018 F-TP22-03 (Rev.00) 4 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 2. TEST METHODOLOGY FCC KDB 558074 D01 15.247 Meas Guidance v05 dated August 24, 2018 entitled “guidance for compliance measurements on digital transmission system, frequency hopping spread spectrum system, and hybrid system devices and the measurement procedure described in ANSI C63.10(Version : 2013) ‘the American National Standard of Procedures for Compliance Testing of Unlicensed Wireless Devices’. EUT CONFIGURATION The EUT configuration for testing is installed on RF field strength measurement to meet the Commissions requirement and operating in a manner that intends to maximize its emission characteristics in a continuous normal application. EUT EXERCISE The EUT was operated in the engineering mode to fix the Tx frequency that was for the purpse of the measurements. According to its specifications, the EUT must comply with the requirements of the Section 15.207, 15.209 and 15.247 under the FCC Rules Part 15 Subpart C. GENERAL TEST PROCEDURES Conducted Emissions The EUT is placed on the turntable, which is 0.8 m above ground plane. According to the requirements in Section 6.2 of ANSI C63.10. (Version :2013) Conducted emissions from the EUT measured in the frequency range between 0.15 MHz and 30MHz using CISPR Quasi-peak and average detector modes. Radiated Emissions The EUT is placed on a turn table, which is 0.8 m above ground plane below 1GHz. Above 1GHz with 1.5m using absorbers between the EUT and receive antenna. The turntable shall rotate 360 degrees to determine the position of maximum emission level. EUT is set 3.75 m away from the receiving antenna, which varied from 1 m to 4 m to find out the highest emission. And also, each emission was to be maximized by changing the polarization of receiving antenna both horizontal and vertical. In order to find out the max. emission, the relative positions of this hand-held transmitter (EUT) was rotated through three orthogonal axes according to the requirements in Section 8 of ANSI C63.10. (Version: 2013) Conducted Antenna Terminal See Section from 8.3.(KDB 558074 v05) DESCRIPTION OF TEST MODES The EUT has been tested under operating condition. Test program used to control the EUT for staying in continuous transmitting and receiving mode is programmed. F-TP22-03 (Rev.00) 5 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 3. INSTRUMENT CALIBRATION The measuring equipment, which was utilized in performing the tests documented herein, has been calibrated in accordance with the manufacturer's recommendations for utilizing calibration equipment’s, which is traceable to recognized national standards. Especially, all antenna for measurement is calibrated in accordance with the requirements of C63.5 (Version : 2017). 4. FACILITIES AND ACCREDITATIONS FACILITIES The SAC(Semi-Anechoic Chamber) and conducted measurement facility used to collect the radiated data are located at the 74, Seoicheon-ro 578beon-gil, Majang-myeon, Icheon-si, Gyeonggi-do, 17383, Rep. of KOREA. The site is constructed in conformance with the requirements of ANSI C63.4. (Version :2014) and CISPR Publication 22. Detailed description of test facility was submitted to the Commission and accepted dated April 02, 2018 (Registration Number: KR0032 ). For ISED, test facility was accepted dated September 18, 2018(Registration Number: 5944A-6) EQUIPMENT Radiated emissions are measured with one or more of the following types of Linearly polarized antennas: tuned dipole, bi-conical, log periodic, bi-log, and/or ridged waveguide, horn. Spectrum analyzers with pre- selectors and quasi-peak detectors are used to perform radiated measurements. Conducted emissions are measured with Line Impedance Stabilization Networks and EMI Test Receivers. Calibrated wideband preamplifiers, coaxial cables, and coaxial attenuators are also used for making measurements. All receiving equipment conforms to CISPR Publication 16-1, “Radio Interference Measuring Apparatus and Measurement Methods.” F-TP22-03 (Rev.00) 6 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 5. ANTENNA REQUIREMENTS According to FCC 47 CFR §15.203: “An intentional radiator antenna shall be designed to ensure that no antenna other than that furnished by the responsible party can be used with the device. The use of a permanently attached antenna or of an antenna that uses a unique coupling to the intentional radiator shall be considered sufficient to comply with the provisions of this section.” * The antennas of this E.U.T are permanently attached. * The E.U.T Complies with the requirement of §15.203 According to RSS-GEN(Issue 5) Section 6.8: The applicant for equipment certification shall provide a list of all antenna types that may be used with the transmitter, where applicable (i.e. for transmitters with detachable antenna), indicating the maximum permissible antenna gain (in dBi) and the required impedance for each antenna. The test report shall demonstrate the compliance of the transmitter with the limit for maximum equivalent isotropically radiated power (e.i.r.p.) specified in the applicable RSS, when the transmitter is equipped with any antenna type, selected from this list. For expediting the testing, measurements may be performed using only the antenna with highest gain of each combination of transmitter and antenna type, with the transmitter output power set at the maximum level. However, the transmitter shall comply with the applicable requirements under all operational conditions and when in combination with any type of antenna from the list provided in the test report (and in the notice to be included in the user manual, provided below). When measurements at the antenna port are used to determine the RF output power, the effective gain of the device’s antenna shall be stated, based on a measurement or on data from the antenna’s manufacturer. The test report shall state the RF power, output power setting and spurious emission measurements with each antenna type that is used with the transmitter being tested.. F-TP22-03 (Rev.00) 7 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 6. MEASUREMENT UNCERTAINTY The measurement uncertainties shown below were calculated in accordance with the requirements of ANSI C63.10-2013. All measurement uncertainty values are shown with a coverage factor of k = 2 to indicate a 95 % level of confidence. The measurement data shown herein meets or exceeds the UCISPR measurement uncertainty values specified in CISPR 16-4-2 and, thus, can be compared directly to specified limits to determine compliance. Parameter Expanded Uncertainty (±dB) Conducted Disturbance (150 kHz ~ 30 MHz) 1.82 Radiated Disturbance (9 kHz ~ 30 MHz) 3.40 Radiated Disturbance (30 MHz ~ 1 GHz) 4.80 Radiated Disturbance (1 GHz ~ 18 GHz) 5.70 Radiated Disturbance (18 GHz ~ 40 GHz) 5.71 F-TP22-03 (Rev.00) 8 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 7. DESCRIPTION OF TESTS 7.1. Radiated Test Limit Frequency (MHz) Field Strength (uV/m) Measurement Distance (m) 0.009 – 0.490 2400/F(kHz) 300 0.490 – 1.705 24000/F(kHz) 30 1.705 – 30 30 30 30-88 100 3 88-216 150 3 216-960 200 3 Above 960 500 3 Test Configuration Below 30 MHz F-TP22-03 (Rev.00) 9 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 30 MHz - 1 GHz Above 1 GHz F-TP22-03 (Rev.00) 10 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 Test Procedure of Radiated spurious emissions (Above 1 GHz) 1. The EUT is placed on a turntable, which is 1.5 m above ground plane. 2. We have done x, y, z planes in EUT and horizontal and vertical polarization in detecting antenna. 3. The turntable shall be rotated for 360 degrees to determine the position of maximum emission level. 4. EUT is set 3.75 m away from the receiving antenna, which is varied from 1m to 4m to find out the highest emissions. 5. According to SVSWR requirement in ANSI 63.4-2014, We performed the radiated test at 3.75 m distance from center of turn table. So, we applied the distance factor( reference distance : 3 m). *Distance extrapolation factor = 20*log (test distance / specific distance) (dB) 6. Maximum procedure was performed on the six highest emissions to ensure EUT compliance. 7. Each emission was to be maximized by changing the polarization of receiving antenna both horizontal and vertical. 8. The unit was tested with its standard battery. 9. Spectrum Setting (Method 8.6 in KDB 558074 v05, Procedure 11.12 in ANSI 63.10-2013) (1) Measurement Type(Peak): - Measured Frequency Range : 1 GHz – 25 GHz - Detector = Peak - Trace = Maxhold - RBW = 1 MHz - VBW ≥ 3*RBW (2) Measurement Type(Average): - Average value of pulsed emissions - Unless otherwise specified, when the radiated emission limits are expressed in terms of the average value of the emission and pulsed operation is employed, the average measurement shall determined from the peak field strength after correcting for the worst-case duty cycle as described in section 9.1. - DCCF = 20*log10(Pulse width / Period of the pulse train) F-TP22-03 (Rev.00) 11 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 10. Measurement value only up to 6 maximum emissions noted, or would be lesser if no specific emissions from the EUT are recorded (ie: margin > 20 dB from the applicable limit) and considered that's already beyond the background noise floor. 11. Total(Measurement Type : Peak) = Reading Value + Antenna Factor(A.F) + Cable Loss(C.L) - Amp Gain(G) + Distance Factor(D.F) Total(Measurement Type : Average) = Peak Reading Value + Antenna Factor(A.F) + Cable Loss(C.L) - Amp Gain(G) + Distance Factor(D.F) + Duty Cycle Correction Factor F-TP22-03 (Rev.00) 12 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 Test Procedure of Radiated Restricted Band Edge 1. The EUT is placed on a turntable, which is 1.5 m above ground plane. 2. We have done x, y, z planes in EUT and horizontal and vertical polarization in detecting antenna. 3. The turntable shall be rotated for 360 degrees to determine the position of maximum emission level. 4. EUT is set 3.75 m away from the receiving antenna, which is varied from 1m to 4m to find out the highest emissions. 5. According to SVSWR requirement in ANSI 63.4-2014, We performed the radiated test at 3.75 m distance from center of turn table. So, we applied the distance factor( reference distance : 3 m). *Distance extrapolation factor = 20*log (test distance / specific distance) (dB) 6. Maximum procedure was performed on the six highest emissions to ensure EUT compliance. 7. Each emission was to be maximized by changing the polarization of receiving antenna both horizontal and vertical. 8. The unit was tested with its standard battery. 9. Spectrum Setting (Method 8.6 in KDB 558074 v05, Procedure 11.12, 11.13 in ANSI 63.10-2013) (1) Measurement Type(Peak): - Measured Frequency Range : 2310 MHz ~ 2390 MHz/ 2483.5 MHz ~ 2500 MHz - Detector = Peak - Trace = Maxhold - RBW = 1 MHz - VBW ≥ 3*RBW (2) Measurement Type(Peak Integration method): - Set instrument center frequency to the frequency of the emission to be measured (must be within 2 MHz of the authorized band edge). - RBW = 100 kHz. - VBW ≥ [3 × RBW]. - Detector = peak. - Sweep time = auto. - Trace mode = max hold. (3) Measurement Type(Average): - Average value of pulsed emissions - Unless otherwise specified, when the radiated emission limits are expressed in terms of the average value of the emission and pulsed operation is employed, the average measurement shall determined from the peak field strength after correcting for the worst-case duty cycle as described in section 9.1. - DCCF = 20*log10(Pulse width / Period of the pulse train) F-TP22-03 (Rev.00) 13 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 10. Measurement value only up to 6 maximum emissions noted, or would be lesser if no specific emissions from the EUT are recorded (ie: margin > 20 dB from the applicable limit) and considered that's already beyond the background noise floor. 11. Total(Measurement Type : Peak) = Reading Value + Antenna Factor(A.F) + Cable Loss(C.L) - Amp Gain(G) + Distance Factor(D.F) Total(Measurement Type : Average) = Peak Reading Value + Antenna Factor(A.F) + Cable Loss(C.L) - Amp Gain(G) + Distance Factor(D.F) + Duty Cycle Correction Factor F-TP22-03 (Rev.00) 14 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 7.2. Receiver Spurious Emissions Limit Frequency (MHz) Field Strength (uV/m) Measurement Distance (m) 30-88 100 3 88-216 150 3 216-960 200 3 Above 960 500 3 Note: Measurements for compliance with the limits in table may be performed at distances other than 3 meters. F-TP22-03 (Rev.00) 15 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 Test Configuration 30 MHz - 1 GHz Above 1 GHz F-TP22-03 (Rev.00) 16 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 Test Procedure of Radiated spurious emissions (Above 1 GHz) 1. The EUT is placed on a turntable, which is 1.5 m above ground plane. 2. We have done x, y, z planes in EUT and horizontal and vertical polarization in detecting antenna. 3. The turntable shall be rotated for 360 degrees to determine the position of maximum emission level. 4. EUT is set 3.75 m away from the receiving antenna, which is varied from 1m to 4m to find out the highest emissions. 5. According to SVSWR requirement in ANSI 63.4-2014, We performed the radiated test at 3.75 m distance from center of turn table. So, we applied the distance factor( reference distance : 3 m). *Distance extrapolation factor = 20*log (test distance / specific distance) (dB) 6. Maximum procedure was performed on the six highest emissions to ensure EUT compliance. 7. Each emission was to be maximized by changing the polarization of receiving antenna both horizontal and vertical. 8. The unit was tested with its standard battery. 9. Spectrum Setting (1) Measurement Type(Peak): - Measured Frequency Range : 1 GHz – 25 GHz - Detector = Peak - Trace = Maxhold - RBW = 1 MHz - VBW ≥ 3*RBW (2) Measurement Type(Average): - We performed using a reduced video BW method was done with the analyzer in linear mode - Measured Frequency Range : 1 GHz – 25 GHz - Detector = Peak - Trace = Maxhold - RBW = 1 MHz - VBW ≥ 1/τ Hz, where τ = pulse width in seconds The actual setting value of VBW = 1 kHz 10. Measurement value only up to 6 maximum emissions noted, or would be lesser if no specific emissions from the EUT are recorded (ie: margin > 20 dB from the applicable limit) and considered that's already beyond the background noise floor. 11. Total = Reading Value + Antenna Factor(A.F) + Cable Loss(C.L) - Amp Gain(G) + Distance Factor(D.F) F-TP22-03 (Rev.00) 17 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 7.3. Worst case configuration and mode Radiated test 1. All modes of operation were investigated and the worst case configuration results are reported. 2. EUT Axis - Radiated Spurious Emissions : Y - Radiated Restricted Band Edge : CH.12: Z, CH.25: Y 3. Duty cycle factor applies (Duty cycle < 98%). 4. All data rate of operation were investigated and the test results are worst case in lowest datarate of each mode. - Zigbee Mode F-TP22-03 (Rev.00) 18 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 8. SUMMARY TEST OF RESULTS FCC Part IC Part Test Test Test Description Test Limit Section(s) Section(s) Condition Result 6 dB Bandwidth §15.247(a)(2) RSS-247, 5.2.(a) > 500 kHz NTNote1 Occupied Bandwidth N/A RSS-GEN, 6.7 N/A NTNote1 Conducted Maximum §15.247(b)(3) RSS-247, 5.4.(d) < 1 Watt NTNote1 Peak Output Power Conducted Power Spectral §15.247(e) RSS-247, 5.2.(b) < 8 dBm / 3 kHz Band NTNote1 Density Band Edge (Out of Band §15.247(d) RSS-247, 5.5 Conducted > 20 dBc NTNote1 Emissions) AC Power line §15.207 RSS-GEN, 8.8 See Note1 NTNote1 Conducted Emissions §15.247(d), Radiated Spurious 15.205, RSS-GEN, 8.9 cf. Section 7.1 PASS Emissions 15.209 §15.247(d), Radiated Restricted RSS-GEN, 8.9 Radiated 15.205, cf. Section 7.1 PASS Band Edge RSS-GEN, 8.10 15.209 Receiver Spurious N/A RSS-GEN, 7.3 cf. Section 7.2 PASS Emissions Note: 1. NT = Not Tested, NA = Not Applicable F-TP22-03 (Rev.00) 19 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 9. TEST RESULT 9.1 DUTY CYCLE DCCF = 20*log10(Pulse width / Period of the pulse train) = 20*log10(1 x 0.65 ms / 100 ms) = -43.74 dB Period RBW 1 MHz Delta 2 [T1 ] VBW 3 MHz -0.04 dB Ref 97 dBµV * Att 0 dB SWT 130 ms 120.370000 ms Marker 1 [T1 ] 90 78.68 dBµV 2.250000 µs B 1 PK 1 2 80 MAXH TRG 2 PK * 70 CLRWR 60 50 TRG 49.1 dBµV SWP 1 of 1 40 30 20 10 0 Center 2.475 GHz 13 ms/ Date: 22.OCT.2018 07:27:16 Pulse width RBW 1 MHz Delta 2 [T1 ] VBW 3 MHz 5.70 dB Ref 97 dBµV * Att 0 dB SWT 1 ms 650.000000 µs Marker 1 [T1 ] 90 63.13 dBµV 2.250000 µs B 1 PK 80 MAXH TRG 2 PK * 2 70 CLRWR 1 60 50 TRG 49.1 dBµV SWP 1 of 1 40 30 20 10 0 Center 2.475 GHz 100 µs/ Date: 22.OCT.2018 07:27:46 F-TP22-03 (Rev.00) 20 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 9.2 RADIATED SPURIOUS EMISSIONS Frequency Range : 9 kHz – 30MHz Frequency Reading Ant. factor Cable loss Ant. POL Total Limit Margin MHz dBuV/m dBm/m dBm (H/V) dBuV/m dBuV/m dB No Critical peaks found Note: 1. The reading of emissions are attenuated more than 20 dB below the permissible limits or the field strength is too small to be measured. 2. Distance extrapolation factor = 40*log (specific distance / test distance) (dB) 3. Limit line = specific Limits (dBuV) + Distance extrapolation factor 4. The test results for below 30 MHz is correlated to an open site. The result on OATS is about 2 dB higher than semi-anechoic chamber(10 m chamber) Frequency Range : Below 1 GHz Frequency Reading Ant. factor Cable loss Ant. POL Total Limit Margin MHz dBuV/m dBm/m dBm (H/V) dBuV/m dBuV/m dB No Critical peaks found Note: 1. Radiated emissions measured in frequency range from 30 MHz to 1000 MHz were made with an instrument using Quasi peak detector mode. F-TP22-03 (Rev.00) 21 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 Frequency Range : Above 1 GHz Operation Mode: Zigbee Operating Frequency 2410 Channel No. CH 12 A.F.+C.L.- Duty Cycle Frequency Reading A.G+D.F. ANT. POL Correction Total Limit Margin Measurement [MHz] [dBuV] [dB] [H/V] [dB] [dBuV/m] [dBuV/m] [dB] Type 4820 66.51 -0.42 V 0 66.09 73.98 7.89 PK 4820 66.51 -0.42 V -43.74 22.35 53.98 31.63 AV 7230 65.14 5.40 V 0 70.54 73.98 3.45 PK 7230 65.14 5.40 V -43.74 26.79 53.98 27.19 AV 4820 68.78 -0.42 H 0 68.36 73.98 5.62 PK 4820 68.78 -0.42 H -43.74 24.62 53.98 29.36 AV 7230 66.40 5.40 H 0 71.80 73.98 2.19 PK 7230 66.40 5.40 H -43.74 28.05 53.98 25.93 AV Operation Mode: Zigbee Operating Frequency 2445 Channel No. CH 19 A.F.+C.L.- Duty Cycle Frequency Reading A.G+D.F. ANT. POL Correction Total Limit Margin Measurement [MHz] [dBuV] [dB] [H/V] [dB] [dBuV/m] [dBuV/m] [dB] Type 4890 65.11 -0.27 V 0 64.85 73.98 9.14 PK 4890 65.11 -0.27 V -43.74 21.10 53.98 32.88 AV 7335 63.54 5.42 V 0 68.96 73.98 5.02 PK 7335 63.54 5.42 V -43.74 25.22 53.98 28.76 AV 4890 67.50 -0.27 H 0 67.24 73.98 6.75 PK 4890 67.50 -0.27 H -43.74 23.49 53.98 30.49 AV 7335 64.80 5.42 H 0 70.22 73.98 3.76 PK 7335 64.80 5.42 H -43.74 26.48 53.98 27.50 AV F-TP22-03 (Rev.00) 22 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 Operation Mode: Zigbee Operating Frequency 2475 Channel No. CH 25 A.F.+C.L.- Duty Cycle Frequency Reading A.G+D.F. ANT. POL Correction Total Limit Margin Measurement [MHz] [dBuV] [dB] [H/V] [dB] [dBuV/m] [dBuV/m] [dB] Type 4950 66.86 -0.67 V 0 66.19 73.98 7.79 PK 4950 66.86 -0.67 V -43.74 22.45 53.98 31.53 AV 7425 61.79 5.70 V 0 67.49 73.98 6.49 PK 7425 61.79 5.70 V -43.74 23.75 53.98 30.23 AV 4950 69.16 -0.67 H 0 68.49 73.98 5.49 PK 4950 69.16 -0.67 H -43.74 24.75 53.98 29.23 AV 7425 63.22 5.70 H 0 68.92 73.98 5.06 PK 7425 63.22 5.70 H -43.74 25.18 53.98 28.80 AV F-TP22-03 (Rev.00) 23 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 ▣ Test Plots(Worst case : Y-H) Radiated Spurious Emissions plot – Peak Reading (CH.12 3rd Harmonic) * RBW 1 MHz Marker 1 [T1 ] * VBW 3 MHz 66.40 dBµV Ref 97 dBµV * Att 0 dB SWT 20 ms 7.228740000 GHz 90 A 1 PK 80 MAXH 2 PK * 70 1 CLRWR 60 50 40 30 20 10 0 Center 7.23 GHz 1 MHz/ Span 10 MHz Date: 22.OCT.2018 12:44:02 Note: Plot of worst case are only reported. F-TP22-03 (Rev.00) 24 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 9.3 RADIATED RESTRICTED BAND EDGES Operation Mode: Zigbee Operating Frequency 2410 MHz Channel No. 12 Ch Frequency Reading A.F.+C.L.+D.F. ANT. POL Duty Cycle Correction Total Limit Margin Measurement [MHz] [dBuV] [dB] [H/V] [dB] [dBuV/m] [dBuV/m] [dB] Type 2390.0 32.84 34.42 H 0 67.26 73.98 6.72 PK 2390.0 32.84 34.42 H -43.74 23.52 53.98 30.46 AV 2390.0 33.02 34.42 V 0 67.44 73.98 6.54 PK 2390.0 33.02 34.42 V -43.74 23.70 53.98 30.28 AV Operation Mode: Zigbee Operating Frequency 2475 MHz Channel No. 25 Ch Frequency Reading A.F.+C.L.+D.F. ANT. POL Duty Cycle Correction Total Limit Margin Measurement [MHz] [dBuV] [dB] [H/V] [dB] [dBuV/m] [dBuV/m] [dB] Type 2483.5 36.18 33.59 H 0 69.77 73.98 4.21 PK 2483.5 36.18 33.59 H -43.74 26.03 53.98 27.95 AV 2483.5 36.91 33.59 V 0 70.50 73.98 3.48 PK 2483.5 36.91 33.59 V -43.74 26.76 53.98 27.22 AV F-TP22-03 (Rev.00) 25 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 ▣ Test Plots Radiated Restricted Band Edges plot – Peak Reading (CH.12, Z-V) * RBW 100 kHz Marker 1 [T1 ] * VBW 300 kHz 19.57 dBµV Ref 90 dBµV * Att 0 dB SWT 5 ms 2.390000000 GHz 80 70 A 60 1 PK MAXH 50 40 2 PK * 30 CLRWR 1 20 10 0 Center 2.3895 GHz 5 MHz/ Span 50 MHz Tx Channel Bandwidth 1 MHz Power 33.02 dBµV Date: 23.OCT.2018 10:40:31 F-TP22-03 (Rev.00) 26 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 Radiated Restricted Band Edges plot – Peak Reading (CH.25 Y-V) * RBW 100 kHz Marker 1 [T1 ] * VBW 300 kHz 21.04 dBµV Ref 90 dBµV * Att 0 dB SWT 5 ms 2.483500000 GHz 80 70 A 60 1 PK MAXH 50 40 2 PK * 30 CLRWR 1 20 10 0 Center 2.484 GHz 5 MHz/ Span 50 MHz Tx Channel Bandwidth 1 MHz Power 36.91 dBµV Date: 23.OCT.2018 10:37:01 Note: Plot of worst case are only reported. F-TP22-03 (Rev.00) 27 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 9.4 RECEIVER SPURIOUS EMISSIONS Frequency Range : Below 1 GHz Frequency Reading Ant. factor Cable loss Ant. POL Total Limit Margin MHz dBuV/m dBm/m dBm (H/V) dBuV/m dBuV/m dB No Critical peaks found Note: 1. Radiated emissions measured in frequency range from 30 MHz to 1000 MHz were made with an instrument using Quasi peak detector mode. Frequency Range : Above 1 GHz Frequency Reading Ant. factor Cable loss Ant. POL Total Limit Margin MHz dBuV/m dBm/m dBm (H/V) dBuV/m dBuV/m dB No Critical peaks found F-TP22-03 (Rev.00) 28 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 10. LIST OF TEST EQUIPMENT Radiated Test Calibration Calibration Manufacturer Model / Equipment Serial No. Date Interval Innco system CO3000 / Controller(Antenna mast) N/A N/A CO3000-4p Innco system MA4640/800-XP-EP / Antenna Position Tower N/A N/A N/A Audix EM1000 / Controller N/A N/A 060520 Audix Turn Table N/A N/A N/A Rohde & Schwarz Loop Antenna 08/23/2018 Biennial 1513-175 Schwarzbeck VULB 9160 / Hybrid Antenna 08/09/2018 Biennial 3368 Schwarzbeck BBHA 9120D / Horn Antenna 05/02/2017 Biennial 9120D-937 BBHA9170 / Schwarzbeck 12/04/2017 Biennial BBHA9170541 Horn Antenna(15 GHz ~ 40 GHz) Rohde & Schwarz FSP(9 kHz ~ 30 GHz) / Spectrum Analyzer 09/03/2018 Annual 100688 Rohde & Schwarz FSV40-N / Spectrum Analyzer 09/28/2018 Annual 101068-SZ Wainwright Instruments WHK3.0/18G-10EF / High Pass Filter 06/07/2018 Annual 8 Wainwright Instruments WHFX7.0/18G-8SS / High Pass Filter 05/09/2018 Annual 29 WRCJV2400/2483.5-2370/2520-60/12SS / Wainwright Instruments 06/29/2018 Annual 2 Band Reject Filter WRCJV5100/5850-40/50-8EEK / Wainwright Instruments 01/03/2018 Annual 2 Band Reject Filter Api tech. 18B-03 / Attenuator (3 dB) 06/07/2018 Annual 1 Agilent 8493C-10 / Attenuator(10 dB) 07/17/2018 Annual 08285 CERNEX CBLU1183540 / Power Amplifier 07/10/2018 Annual 22964 CERNEX CBL06185030 / Power Amplifier 07/10/2018 Annual 22965 CERNEX CBL18265035 / Power Amplifier 01/10/2018 Annual 22966 CERNEX CBL26405040 / Power Amplifier 06/29/2018 Annual 25956 TESCOM TC-3000C / Bluetooth Tester 03/27/2018 Annual 3000C000276 Note: 1. Equipment listed above that calibrated during the testing period was set for test after the calibration. 2. Equipment listed above that has a calibration due date during the testing period, the testing is completed before equipment expiration date. F-TP22-03 (Rev.00) 29 / 30 HCT CO.,LTD.

Report No.: HCT-RF-1810-FI018-R1 FCC ID: S7A-SP57 / IC: 8154A-SP57 11. ANNEX A_ TEST SETUP PHOTO Please refer to test setup photo file no. as follows; No. Description 1 HCT-RF-1810-FI018-P 2 HCT-RF-1810-FI019-P 3 HCT-RF-1810-FI020-P F-TP22-03 (Rev.00) 30 / 30 HCT CO.,LTD.


Document Created: 2018-11-06 11:49:45
Document Modified: 2018-11-06 11:49:45
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