2A2UNR4DESC4-CHANNEL RECEIVER

FS-R4D-ESC 接收机 Receiver Http://www.flysky-cn.com Copyright ©2022 Flysky Technology Co., Ltd. • 产品型号：FS-R4D-ESC • 适配发射机：FS-HW-G4P 、FS-MG41、FS-G7P 或 FS-MG7 等（具体参见官网“发射接收配对表”） • 适合机种：1：10 攀爬车、平路、越野短卡和卡车 • 通道个数：4 • 车灯接口数：6 • 无线频率：2.4GHz ISM • 发射功率：< 20dBm • 无线协议：ANT（蚂蚁版自动跳频数字系统） • 天线类型：外置单天线（同轴天线） • 输入电源：Lipo（2~3S）/NiMH(5~9Cell) • BEC 输出：6V/3A • 持续 / 峰值电流：40A/200A • 支持电机类型：有刷电机 • 适用电机：390、370 或 280 有刷电机 • 数据输出：PWM • 通道分别率：4096 • 温度范围：-10°C ~ +60°C • 湿度范围：20% ~ 95％ • 遥控距离：>150 米（空旷无干扰地面距离） • 防水等级：PPX7 • 在线更新：无 • 外形尺寸：44mm*30mm*16.7mm • 机身重量：43g • 认证： CE，FCC ID: 2A2UNR4DESC FS-R4D-ESC 采用 ANT 协议，是一款电调和 LED 灯组控制的二合一 接收机。外置单天线，可输出 PWM 信号和车灯控制信号 , 能够实现 双向传输，采用自动对码，设计小巧紧凑，可在发射机端设置电调 的相关参数，可适配多种车型使用。 FS-R4D-ESC is a 2-in-1 receiver which is compliable with the ANT protocol, featuring the compact design, external single antenna, automatic binding, a combination of the Electronic Speed Control (ESC) and LED light set control board. It outputs PWM signals and car light control signals, featuring two-way transmission, ESC parameters configurable at the transmitter side, and adaptation to a variety of vehicle models. 产品介绍 Introduction 接收机概览 Receiver overview 产品规格 Product specification [1] CH1 通道接口 [2] CH3 通道接口 [3] CH4 通道接口 [4] 左车灯接口 [5] 右车灯接口 [6]前大灯接口 [7]后尾灯接口 [8] 氛围灯接口 [9] 车顶灯接口 [10] 车灯接口 "-" 极 [16] 电源线 "-" [17] 马达线 "-" [18] 散热片 [19] 天线 [20] 接收机指示灯 [21] 电调指示灯 [22] 通道接口信号端 [23] 通道接口"+" [24] 通道接口"-" • Product Name: FS-R4D-ESC • Adaptive Transmitters: FS-HW-G4P, FS-MG4, FS-G7P or FS-MG7, etc. (Refer to TX- RX FORM on the official website for details.) • Model Type: 1:10 crawler cars, short-course trucks or trucks • Number of Channels: 4 • Numbers of Light Interfaces: 6 • RF: 2.4GHz ISM • Maximum Power: < 20dBm (e.i.r.p.) （EU） • 2.4G Protocol: ANT • Antenna: Single external antenna • Input Power: Lipo (2~3S)/NiMH(5~9Cell) • BEC Output: 6V/3A • Continuous / Peak Current: 40A/200A • Motor Type: Brush motors • Applicable Motors : 390, 370 or 280 brush motor • Data Output: PWM • Resolution:4096 • Temperature Range: -10°C ~ +60°C • Humidity Range: 20% ~ 95% • Distance: >150 M(ground distance without Interference) • WaterProof: PPX7 • Online Update: NO • Dimensions: 44mm*30mm*16.7mm • Weight: 43g • Certifications: CE, FCC ID: 2A2UNR4DESC 对码 Binding 本款接收机上电即自动进入对码状态。 1. 将发射机进入对码状态（发射机进入对码状态的方式可能 不同，请根据发射机的使用说明书进行操作）； 2. 接收机上电等待 1 秒没有连接将自动进入对码； 3. 对码成功后 , 接收机 LED 指示灯常亮。 注： 1. 对码时请先将发射机进入对码状态，再将接收机进入对码 状态，若10S内对码没有完成，接收机指示灯进入慢闪状态; 2. 如果重新对码成功，车灯的所有设置将恢复默认值。 [1] CH1 Interface [2] CH3 Interface [3] CH4 Interface [4] Left Light Interface [5] Right Light Interface [6] Headlight Interface [7] Tail Light Interface [8] Ambient Light Interface [9] Roof Light Interface [10] Car Light Interface "-" [11] Car Light Interface "+" [12] Tab for Hanging Power Switch [13] Power Switch Cable [14] Motor Cable "+" [15] Power Cable "+" [16] Power Cable "+" [17] Motor Cable "-" [18] Heatsink [11] 车灯接口 "+" 极 [12] 电源开关挂耳 [13] 电源开关线 [14] 马达线 "+" [15] 电源线 "+" [19] Antenna [20] Receiver LED [21] ESC LED [22] CH Interface Signal Pin [23] CH Interface "+" [24] CH Interface "-" 车灯接口为标准 2.54mm*2Pin 排针 / The car light interface is a standard 2.54mm*2 Pins. [22][19][18][20] [21][23] [24] [11][10] [1] [2] [3] [4] [5] [6] [7] [8] [9] [13][12] [14] [15] [16] [17] The receiver automatically enters the binding state once it is powered on. 1. First put the transmitter into bind mode. (See the transmitter's user manual for instructions on how to activate bind mode.) 2. When the receiver is powered on and waits for 1 second, it will automatically enter the binding state if it is not connected; 3. After the binding is successful, the LED indicator of the receiver is solid on. Notes: 1. Set the transmitter to its binding state first, and then set the receiver to its binding state. If the binding is not finished within 10S, the LED of the receiver will enter its slow flashing state. 2. If re-binding is successful, all the settings of the car lights will be restored to their default values. 保护功能 Protection 1. 本接收机具有电池电压过低和过高保护功能。 • 电压过低保护：当检测到电池电压过低时，CH2 马达无输出， CH1、CH3 和 CH4 正常输出，所有车灯慢闪提示。 • 电压过高保护：当电池电压过高时，所有通道无输出，所有 车灯快闪提示。 注：处于保护状态时，电调LED持续慢闪提示；待电压正常后， 退出保护状态。 2. 本接收机电调具有过热保护和堵转保护功能。 • 过热保护：当检测到电调内部温度过高时，CH2 马达无输出， CH1、CH3 和 CH4 正常输出，所有车灯快闪提示；当温度正 常后，通道恢复输出。 • 堵转保护：当外部马达堵转时，进入堵转保护状态，接收机 切断动力输出，用于保护电调和马达。 1. This receiver has low/high voltage protection function. • Low voltage protection: When the receiver enters the low voltage protection state in case of detecting low voltage, CH2 motor has no output. CH1, CH3 and CH4 output normally, and all the lights flash slowly for prompt. • High voltage protection: When the receiver enters the high voltage protection state, all channels have no output. All car lights flash quickly for prompt. Note: The ESC LED flashes slowly and continously; When the voltage is normal, then the receiver will exit the protection state. 2. The ESC has overheating protection function and locked rotor protection function. • Overheating protection: When the receiver enters the overheating protection state in case of the high internal temperature of the ESC , CH2 motor has no output. CH1, CH3 and CH4 output normally, and all the lights flash fast for prompt. All channel output normally when the temperature is back to normal. • Locked rotor protection: In case of the external motor is blocked, it enters the locked rotor protection state, and the receiver cuts off the power output to protect the ESC and the motor. FS-R4D-ESC 接收机 Receiver Http://www.flysky-cn.com Copyright ©2022 Flysky Technology Co., Ltd. 车灯控制 Car light control 车灯控制主要是通过在发射机端设置，以实现车灯亮灯状态及亮灯模式的转换，以下内容以 FS-HW-G4P 发射机端控制为例介绍。 1. 车灯开启与关闭的控制方式： • 车灯控制分为四通道控制和两通道控制两种方式，打开发射机，手轮顺时针打到最大行程，打开接收机电源，可以实现两种控制方式的切换 ; • 当切换为四通道控制时，CH3 最右为打开车灯，最左为关闭车灯； • 当切换为两通道控制时，手轮快速顺时针打到最大行程两次，打开应急灯，重复动作则关闭；手轮逆时针打到最大行程打开示宽灯或者呼吸 / 爆闪灯，重复动作 则关闭。 注：应急灯由左转灯和右转灯组成；爆闪灯由左转灯、右转灯、前大灯和后尾灯组成。 2. 车灯工作的四种模式状态： • 正常模式：向左打转向，左转灯慢闪，向右打转向，右转灯慢闪；CH3 最右，前大灯高亮，后尾灯低亮；刹车 / 后退，后尾灯高亮；按下 CH4，应急灯慢闪； • 运动模式：向左打转向，左转灯慢闪，向右打转向，右转灯…

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ShenZhen FLYSKY Technology Co.,Ltd * the applicant must designate a contact located in the United States for purposes of acting as the applicant’s agent for service of process, regardless of whether the applicant is a domestic or foreign entity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter 3/22/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2A2UNR4DESC Per section 2.911(d)(7) of the FCC rules, ShenZhen FLYSKY Technology Co.,Ltd certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: Company Name: Baihetian Innovative Solutions Physical U.S. Company Address: 6837 Chase Rd, Dearborn, MI 48126, USA Contact Person: Kenneth Young Agent Email Address: [email protected] FRN: 0033401605 The above contact person accepts the obligation for service of process. The applicant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Signed: Signed: Printed name: Kyle Li Title: RD Manager Company Name: ShenZhen FLYSKY Technology Co.,Ltd Date: 3/22/2023 Agent Signed (if different to Applicant): Signed: Printed name: Kenneth Young Title: Manager Company Name: Baihetian Innovative Solutions Date: 3/22/2023

ShenZhen FLYSKY Technology Co.,Ltd Covered Equipment Certification Attestation Letter 3/22/2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2A2UNR4DESC ShenZhen FLYSKY Technology Co.,Ltd certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. ShenZhen FLYSKY Technology Co.,Ltd certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Signed: Printed name: Kyle Li Title: RD Manager Company Name: ShenZhen FLYSKY Technology Co.,Ltd Date: 3/22/2023

DATE : 2023-03-22 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Jason Wu of Global United Technology Services Co., Ltd.and No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with ShenZhen FLYSKY Technology Co.,Ltd and 16F, Huafeng Building, No. 6006 Shennan Road, Futian District, Shenzhen, Guangdong, China Signature: Name: Kyle Li Title: RD Manager Company: ShenZhen FLYSKY Technology Co.,Ltd

ShenZhen FLYSKY Technology Co.,Ltd DATE : 2023-03-22 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2A2UNR4DESC Product Name: 4-CHANNEL RECEIVER Request for Confidentiality To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Signature: Name: Kyle Li Title: RD Manager

Test Model No.: FS‐R4D‐ESC

20220616 0.175磨砂PC+3M9448A胶 01 彩色印刷 FS-R4D-ESC FS-R4D-ESC 贴纸 Adobe Illustrator CC 2017 李德平 产品经理确认 PANTONE 485 C PANTONE Black 6C White PANTONE Cool Gray 9C

Test Model No.: FS‐R4D‐ESC

FCC ID: 2A2UNR4DESC RF Exposure Evaluation Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f 2 ) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. FCC ID: 2A2UNR4DESC Test Result of RF Exposure Evaluation Channel Output power to antenna (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm2) Limit (mW/cm2) Result Lowest 12.97 19.82 0.0031 1.0 PASS Middle 13.14 20.61 0.0032 1.0 PASS Highest 12.70 18.62 0.0029 1.0 PASS Remark: antenna gain=-1.11dBi

Global United Technology Services Co., Ltd. Report No.: GTS2023030012F01 Authorized Signature: Robinson Luo Laboratory Manager This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 39 TEST REPORT Applicant: ShenZhen FLYSKY Technology Co.,Ltd Address of Applicant: 16F, Huafeng Building, No. 6006 Shennan Road, Futian District, Shenzhen, Guangdong, China Manufacturer: ShenZhen FLYSKY Technology Co.,Ltd Address of Manufacturer: 16F, Huafeng Building, No. 6006 Shennan Road, Futian District, Shenzhen, Guangdong, China Factory: Dongguan Flysky RC Model technology Co.,Ltd Address of Factory: West building 3, HuangjinyuanInd Park, Qiaoli North Gate, Changping Town, Dongguan, China Equipment Under Test (EUT) Product Name: 4-CHANNEL RECEIVER Model No.: FS-R4D-ESC Trade Mark: FLYSKY FCC ID: 2A2UNR4DESC Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of sample receipt: March 01, 2023 Date of Test: March 02-21, 2023 Date of report issued: March 22, 2023 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 39 2 Version Version No. Date Description 00 March 22, 2023 Original Prepared By: Date: March 22, 2023 Project Engineer Check By: Date: March 22, 2023 Reviewer Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 39 3 Contents Page 1 COVER PAGE ................................................................................................................................................ 1 2 VERSION ........................................................................................................................................................ 2 3 CONTENTS .................................................................................................................................................... 3 4 TEST SUMMARY ........................................................................................................................................... 4 4.1 MEASUREMENT UNCERTAINTY .................................................................................................................. 4 5 GENERAL INFORMATION ............................................................................................................................ 5 5.1 GENERAL DESCRIPTION OF EUT ............................................................................................................... 5 5.2 TEST MODE .............................................................................................................................................. 7 5.3 TEST FACILITY .......................................................................................................................................... 7 5.4 TEST LOCATION ....................................................................................................................................... 7 5.5 DESCRIPTION OF SUPPORT UNITS ............................................................................................................. 7 5.6 DEVIATION FROM STANDARDS ................................................................................................................... 7 5.7 ABNORMALITIES FROM STANDARD CONDITIONS ......................................................................................... 7 5.8 ADDITIONAL INSTRUCTIONS ....................................................................................................................... 7 6 TEST INSTRUMENTS LIST ........................................................................................................................... 8 7 TEST RESULTS AND MEASUREMENT DATA .......................................................................................... 10 7.1 ANTENNA REQUIREMENT ......................................................................................................................... 10 7.2 CONDUCTED EMISSIONS ......................................................................................................................... 11 7.3 CONDUCTED PEAK OUTPUT POWER ........................................................................................................ 14 7.4 20DB EMISSION BANDWIDTH .................................................................................................................. 15 7.5 CARRIER FREQUENCIES SEPARATION ...................................................................................................... 16 7.6 HOPPING CHANNEL NUMBER .................................................................................................................. 17 7.7 DWELL TIME ........................................................................................................................................... 18 7.8 SPURIOUS EMISSION IN NON-RESTRICTED & RESTRICTED BANDS ............................................................. 19 7.8.1 Conducted Emission Method ........................................................................................................... 19 7.8.2 Radiated Emission Method .............................................................................................................. 20 8 TEST SETUP PHOTO .....................................…

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Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 1 of 21 Appendix for 15.247 1. Bandwidth 1.1 OBW 1.1.1 Test Result Mode TX Type Frequency (MHz) ANT 99% Occupied Bandwidth (MHz) Verdict Result GMSK SISO 2406 1 2.089 Pass 2440 1 2.167 Pass 2472 1 2.215 Pass Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 2 of 21 1.1.2 Test Graph GMSK_LCH_2406MHz_Ant1_NTNV GMSK_MCH_2440MHz_Ant1_NTNV Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 3 of 21 GMSK_HCH_2472MHz_Ant1_NTNV Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 4 of 21 1.2 20dB BW 1.2.1 Test Result Mode TX Type Frequency (MHz) ANT 20dB Bandwidth (MHz) Verdict Result GMSK SISO 2406 1 2.330 Pass 2440 1 2.467 Pass 2472 1 2.414 Pass Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 5 of 21 1.2.2 Test Graph GMSK_LCH_2406MHz_Ant1_NTNV GMSK_MCH_2440MHz_Ant1_NTNV Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 6 of 21 GMSK_HCH_2472MHz_Ant1_NTNV Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 7 of 21 2. Maximum Conducted Output Power 2.1 Test Result Mode TX Type Frequency (MHz) Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GMSK SISO 2406 12.97 <=20.97 Pass 2440 13.14 <=20.97 Pass 2472 12.70 <=20.97 Pass Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 8 of 21 2.2 Test Graph GMSK_LCH_2406MHz_Ant1_NTNV GMSK_MCH_2440MHz_Ant1_NTNV Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 9 of 21 GMSK_HCH_2472MHz_Ant1_NTNV Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 10 of 21 3. Carrier Frequency Separation 3.1 Test Result Ant1 Mode TX Type Frequency (MHz) Channel Separation (MHz) 20dB Bandwidth (MHz) Limit (MHz) Verdict GMSK SISO HOPP 3.000 2.467 >=1.645 Pass 3.2 Test Graph GMSK_HOPP_Ant1_NTNV Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 11 of 21 4. Number of Hopping Frequencies 4.1 Test Result Mode TX Type Frequency (MHz) Num of Hopping Frequencies Verdict ANT1 Limit GMSK SISO HOPP 20 >=15 Pass 4.2 Test Graph GMSK_HOPP_Ant1_NTNV Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 12 of 21 5. Time of Occupancy (Dwell Time) 5.1 Test Result Ant1 Mode TX Type Frequency (MHz) Duration of Single Pulse (ms) Observation Period (s) Num of Pulse in Observation Period Dwell Time (ms) Limit (ms) Verdict GMSK SISO HOPP 0.178 8.000 83 14.774 <=400 Pass Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 13 of 21 5.2 Test Graph GMSK_HOPP_Ant1_NTNV GMSK_HOPP_Ant1_NTNV Report No.: GTS2023030012F01 Global United Technology Services Co., Ltd. No. 123-128, Tower A, Jinyuan Business Building, No.2, Laodong Industrial Zone, Xixiang Road, Baoan District, Shenzhen, Guangdong, China 518102 Telephone: +86 (0) 755 2779 8480 Fax: +86 (0) 755 2779 8960 Page 14 of 21 6. Unwanted Emissions In Non-restricted Frequency Bands 6.1 Ref 6.1.1 Test Result Mode TX Type Frequency (MHz) ANT Level of Reference (dBm) GMSK SISO 2406 1 12.80 2440 1 12.95 2472 1 12.51 Note1: Refer to FCC Part 15.247 (d) and ANSI C63.10-2013, the channel contains the maximum PSD level was used to establish the reference level. Repor…

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深圳市德威玛通讯设备有限公司 2 1.目的 objective 对于深圳市德威玛通讯设备有限公司出品的移动通信终端天线产品规格、测试方法 进行规范，避免因测试条件，方法的不同引起误差。 To standardize the product specifications and test methods of mobile communication terminal antenna produced by Shenzhen Devima Communication Equipment Co., LTD., to avoid errors caused by different test conditions and methods. 2.技术指标与实验设备technical index 2.1 技术指标technical index 产品电气性能指标 Electrical performance index of products 工作频率范围 operating frequency range 2400~2500MHz 驻波比 SWR 2400~2500MHz<5.0 天线增益 antenna gain 2400~2500MHz:-1.11dBi 辐射效率 radiant efficiency 2400~2500MHz>15% 阻抗 impedance 50ohm 产品材料说明 Product material Description 灰色1.13 同轴线100mm Gray 1.13 coaxial line 100mm 产品环境说明 Product Environment Description 工作温度 Operation Temperature - 30 ̊C ~ + 85 ̊C 储藏温度 Store Temperature - 30 ̊C ~ + 85 ̊C 深圳市德威玛通讯设备有限公司 3 3. 产品结构图 Product structure drawing 深圳市德威玛通讯设备有限公司 4 4. 产品实物图 Product picture 5.天线性能：（驻波图、增益、效率、方向图） Antenna performance:(standing wave, gain, efficiency, direction diagram) 深圳市德威玛通讯设备有限公司 5 深圳市德威玛通讯设备有限公司 6 深圳市德威玛通讯设备有限公司 7 6.包装方式 manner of packing 包装方式 manner of packing 包装材料 packing material 包装规格 packing size 包装数量 package quantity 备注 remark 包装 pack PE 袋 PE bag 85*120mm1000pcs 焊接处包气泡膜 The welding place is covered with bubble film

Test Model No.: FS‐R4D‐ESC Radiated Emission Conducted Emission