YAMBD50XU1SDIGITAL PORTABLE RADIO

BD50X DIGITAL PORTABLE RADIO QUICK REFERENCE GUIDE Product Overview Product Layout Programmable Key For enhanced convenience, you can request your dealer to programSKas a shortcut to a radio feature. Consult your dealer for assignable radio features. 1 LED Indications LED IndicatorRadio Status Flashes greenThe radio is being turned on. Glows greenThe radio is receiving. Glows redThe radio is transmitting. Flashes orange slowlyThe radio is scanning. Glows orange Call hang time: No voice is being transmitted or received on the channel during a call. Within such a period, you can press and hold thePTT key and speak. Basic Operations Charging the Battery lRead theSafety Information Bookletbefore charging. lUse the approved charger to charge the battery. lThe remaining lithium-ion battery power is limited to 30% pursuant to the new lithium battery shipment regulation approved by International Air Transport Association (IATA). Before initial use, make sure to charge the battery. You can charge either the standalone battery or the radio with battery attached. It is recommended that the radio remain powered off during charging. The LED indicator on the charger shows the charging status. For details, see the following table. Turning the Radio On or Off To turn the radio on or off, rotate theOn-Off/Volume Controlknob clockwise or counter-clockwise until you hear a click. Adjusting the Volume To increase or decrease the volume, rotate theOn-Off/Volume Control knob clockwise or counter-clockwise. 2 Selecting a Zone A zone is a group of channels within the same operational area. The radio LED IndicatorCharging Status Glows redThe battery is being charged. Glows orangeThe battery is charged to 85% or more. Glows green No battery is placed on the charger, or the battery is fully charged. supports up to 3 zones, each of which contains up to 16 channels. To select a zone, press the preprogrammed Zone Up or Zone Down key. Selecting a Channel To select a channel, rotate the Channel Selector knob. If the Channel Notify feature is enabled, the radio automatically announces the current channel upon power-on and channel change. Call Services When you are speaking during a call, keep the microphone about 2.5 to 5 cm away from your mouth. This ensures optimal voice quality on the receiving radio. Call on Digital Channel You can initiate or receive the following types of calls on a digital channel: lPrivate call: a call from an individual user to another individual user. lGroup call: a call from an individual user in a group to all the other members in the group. lAll call (enabled by your dealer): a call from an individual user to all other users on the current channel. Initiating a Call lOn the home screen, rotate theChannel Selectorknob to select the required channel, and then press and hold thePTTkey to initiate a call to the private/group/all call contact preset on the channel. lIf the One Touch Call feature is configured by your dealer, press the preprogrammedOne Touch Callkey, and then press thePTTkey to initiate a call to a private or group contact. Receiving and Responding to a Call You can listen to an incoming call without any operation. To respond to a private or group call, press and hold thePTTkey within the preset time. Ending a Call lA private/group call ends when the call hang time expires. lAn all call ends when the calling party releases thePTTkey. Call on Analog Channel (Without Signaling) You can initiate a call to all other users on the current analog channel. The operations are the same as those on digital channel. 3 For details on more features and operations, please visit our website at:http://www.hytera.com, or scan the QRcode to download theUser Manual. 熟悉产品 部件介绍 可编程按键 为了提升操作便利性，终端提供可编程按键是【SK】键。具体功能及操作方法请咨询经销商。 1 LED指示灯 指示灯状态产品状态 绿色闪烁正在开机 绿色常亮正在接收 红色常亮正在发射 橙色慢闪正在扫描 橙色常亮 呼叫保持状态即呼叫建立无人讲话 时，您可以按住【PTT】键回呼 基本操作 充电 l请使用我司指定的充电设备充电。 l请在充电前参阅《安全信息手册》之“严禁充电”，以获取必 要的电池安全信息。 l根据国际民航（IATA）《危险物品安全航空运输技术细 则》2016新规定要求，航空运输的锂离子电池（芯）的荷电状 态不得超过其额定容量的30%。因此，电池配主机首次使用可 能会出现低电告警现象，请在使用前先对电池进行充电。 首次使用前，先将电池装入充电座中充电。若终端安装电池后，建议先 关机，再使用充电座对整机充电。 观察充电座LED指示灯可以了解当前充电状态。 指示灯状态充电状态 红色常亮正在充电 橙色常亮 电池已充满≥85%的电量 绿色常亮待机（空载）或已充满 开关机 开机 按顺时针方向旋转【电源开关/音量控制】旋钮直至听到“咔嗒”声。 关机 按逆时针方向旋转【电源开关/音量控制】旋钮直至听到“咔嗒”声。 2 调节音量 开机后，顺时针旋转【电源开关/音量控制】旋钮可以增大音量，逆时 针旋转该旋钮可以减小音量。 选择区域 区域是一个信道组，您可以将具有相同属性的信道列入一个区域中，便 于您对现有信道进行有效管理。终端支持3个区域，每个区域可以配置 16个信道。 按【区域上调】/【区域下调】快捷键切换至所选区域。 选择信道 信道是信号传输的通道，旋转【信道选择】旋钮可以选择信道。 如果终端已开启信道播报功能，开机或旋转【信道选择】旋钮切换信道 时，终端会播报信道号。 呼叫 为保证最佳接收音量，发射时麦克风与嘴的距离请保持2.5厘米～5厘 米。 数字呼叫 您可以对当前数字信道上预设的联系人进行个呼、组呼或全呼（全呼权 限需要由经销商开启）。 l个呼是一对一的呼叫。 l组呼是一对多的呼叫。 l全呼是对当前数字信道上所有联系人发起的呼叫。 发起呼叫 l在待机界面，按住【PTT】键对当前数字信道上预设的个呼联系 人、组呼联系人或全呼联系人直接发起个呼、组呼或全呼。 l当经销商配置【一键呼叫】的呼叫对象为个呼联系人或组呼联系人 时，按【一键呼叫】快捷键后按【PTT】键发起呼叫。 接听和回复呼叫 您无须任何操作即可接听呼叫。 个呼或组呼过程中，在预设时间内按住【PTT】键回复呼叫。 结束呼叫 l个呼/组呼：当双方无人按【PTT】键讲话，超过呼叫保持时间时， 终端将结束个呼/组呼。 l全呼：主叫松开【PTT】键，终端将结束全呼。 3 模拟呼叫（无信令） 您可以对当前模拟信道上的所有用户发起呼叫，操作方法同数字信道呼 叫。 如需了解更多功能和操作详情，请访问我们的网 站：http://www.hytera.com或扫描二维码，在线查看或下载 配套的说明书。 4 Frequency Ranger: 400-470MHz Output Power: 36dBm(high),30dBm(Low) AT BE CY CZ DK EE FI FR DE EL HU IE IT LV LT LU MT NL PL PT SK SI ES SE BG RO HR FCC/ISEDC Statement This device complies with part 15 of the FCC/ISEDC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Ce dispositif est conforme à la partie 15 des règles FCC/ISEDC. L’opération est soumise aux deux conditions suivantes : (1) Cet appareil ne peut pas causer d’interférences nocives et (2) cet appareil doit accepter toute interférence reçue, y compris toute interférence susceptible de provoquer un fonctionnement indésirable. Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Toute modification ou modification non expressément approuvée par la partie responsable de la co…

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QA-FR -171-A Hytera Communications Corporation Limited Add: Hytera Tower, Hi-Tech Industrial Park North, 9108# Beihuan Road, Nanshan District, Shenzhen, 5 18057 China Tel: +86-7 55-26972999 Fax: +86-755-86139020 Email: [email protected] FCC Confidential Authorization Date: 2021/5/12 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Co lumbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: YAMBD50XU1S In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Hytera Communications Corporation Limited, hereby requests long-term confidential treatment of information accompanying this application as outlined below: Block Diagram Schematics Operation Description Parts List/Tune up procedure (for licensed devices) The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Signature: Printed name : Tiantian Chen Title: Certification Engineer

H ytera Communications Corporation Limited Add: Hytera Tower, Hi-Tech Industrial Park North, 9108# Beihuan Road, Nanshan District, Shenzhen, 518057 China Tel: +86-755-26972999 Fax: +86-755-86139020 Email: [email protected] Date: 2021/5/12 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7 435 Oakland Mills Road Columbia, MD 210 46 Subject: Extended Frequencies Justification for Certification of Transmitter with FCC ID: YAMBD50XU1S Dear Sir/Madam, This transmitter was designed to operate in following frequency ranges: 400-470MHz To aid equipment authorization in other countries which accept the United States FCC Grant for Certification, Hytera Communications Corporation Limited is requesting that the FCC lists the frequencies 400-470MHz, under FCC Ru le Parts 22, 74, 80 and 90 on the FCC Grant. Hytera Communications Corporation Limited attests that the DIGITAL PORTABLE RADIO will not be marketed to USA u sers with the frequency band which is not allowed by the rule Parts 22, 74, 80 and 90. Per the FCC’s KDB634817 guidance, as an alternative to listing the exact frequencies, we acknowledge that it’s a violation of the FCC Rules if this device operates on unauthorized frequencies. Frequency Range(MHz) FCC Rule Part 400-406For Federal 406.1-450FCC Part 90 450-454FCC Part 74/ FCC Part 90 454-455 FCC Part 22/ FCC Part 80 455-456FCC Part 74 456-460 FCC Part 22/ FCC Part 80/ FCC Part 90 460-462.5375FCC Part 90 462.7375-467.5375 FCC Part 80 / FCC Part 90 467.7375-470 FCC Part 80 /FCC Part 90 Also, equipment programming is the responsibility of Authorized Service Personnel, the DIGITAL PORTABLE RADIO complies with 47 CFR Part 90.203(e), in that the operator cannot directly program the transmit frequencies using the normally accessible external controls. Please contact me if you require any additional information. Sincerely Yours, Signature: Printed Name: Tiantian Chen Title: Certification Engineer

H ytera Communications Corporation Limited Add: Hytera Tower, Hi-Tech Industrial Park North, 9108# Beihuan Road, Nanshan District, Shenzhen, 518057 China Tel: +86-755-26972999 Fax: +86-755-86139020 Email: [email protected] Justification Letter Date: 2021/5/12 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: YAMBD50XU1S Model number: BD502 U(1), BD505 U(1), BD506 U(1), BD508 U(1) Dear Sir/Madam, We, Hytera Communications Corporation Limited, acknowledge that this device will not be marketed to USA users with the frequency band which is not allowed by rule part 90.and it is a violation of FCC rules if this device is operated on unauthorized frequencies inside the U.S.A. This equipment meets the requirements of the FCC Rules, Parts 90.203(e) an d (g), as applicable. Programming of this products transmit frequencies can be performed ONLY by the manufacturer or by service or by maintenance personal. The operator can’t program transmit frequencies using the equipment’s external operation controls. This is to certify that the requirements of 47 CFR Part 90.203(j)(4 ) and (5) spectrum efficiency are met by the Hytera Communications Corporation Limited as demonstrated by the tests conducted on the sample radio provid ed. The tests show that the 4FSK data rate is i n accordance with ETSI TS 102 361-1, that is 9600 bits per second in a 12.5 kHz bandwidth to satisfy the data rate requirement of 4800 bits per second per 6.25 kHz of channel bandwidth (7K60F1D emissions). Additionally the DIGITAL PORTABLE RADIO uses the AMBE+2 half-rate vocoder to compress 60 ms of normal bursts are sent in alternate 30 ms TDMA slots and so comply with the equivalence of one voice chan nel per 6.25 kHz bandwidth (7K60F1E emission). Sincerely Yours, Signature: Printed Name: Tiantian Chen Title: Certification Engineer

Hytera Communications Corporation Limited Add: Hytera Tower, Hi-Tech Industrial Park North, 9108# Beihuan Road, Nanshan District, Shenzhen, 518057 China Tel: +86-755-26972999 Fax: +86-755-86139020 Email: [email protected] DECLARATION OF SIMILARITY Date: 2021/03/29 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7 435 Oakland Mills Road C olumbia, MD 21046 Dear Sir or Madam: We, Hytera Communications Corporation Limited, hereby declare that the product: DIGITAL PORTABLE RADIO, FCC ID: YAMBD50XU1S. Model: BD505 U(1), BD506 U(1), BD508 U(1) is electrically identical with the model: BD502 U(1) which was tested by BACL with the same electromagnetic emissions and electromagnetic compatibility characteristics. A description of the differences between th ose models and that are declared similar are as follows: They are the same product, and just the different model name and software, the rest are the same. Please contact me should there be need for any additional clarification or information. Best Regards, Signature: Printed Name: Tiantian Chen Title: Certification Engineer

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Antenna Battery Label

Note: This test report is prepared for the customer shown above and for the device described herein. It may not be duplicated or used in part without prior written consent from Bay Area Compliance Laboratories Corp. (Dongguan). This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. * This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “*”. SAR EVALUATION REPORT For Hytera Communications Corporation Limited Hytera Tower, Hi-Tech Industrial Park North, 9108# Beihuan Road, Nanshan District, Shenzhen, 518057 China FCC ID: YAMBD50XU1S Report Type: Original Report Product Type: DIGITAL PORTABLE RADIO Report Number: RDG210326003-20A Report Date: 2021-05-21 Reviewed By: Brave Lu SAR Engineer Prepared By: Bay Area Compliance Laboratories Corp. (Dongguan) No.12, Pulong East 1 st Road, Tangxia Town, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG210326003-20A SAR Evaluation Report 2 of 32 Attestation of Test Results EUT Information EUT Description DIGITAL PORTABLE RADIO Tested Model BD502 U(1) Multiple Models BD505 U(1), BD506 U(1), BD508 U(1) FCC ID YAMBD50XU1S Serial Number RDG210326003-SA-S1 Test Date 2021-04-10 Mode Test Model Max. SAR Level(s) Reported(W/kg) Limit PTT (400-470MHz) 1g Head SAR(Face Up) 3.61 8.0 (W/kg) 1g Body SAR(Body Back) 5.84 Applicable Standards FCC 47 CFR part 2.1093 Radiofrequency radiation exposure evaluation: portable devices RF Exposure Procedures: TCB Workshop April 2019 IEEE1528:2013 IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques IEC 62209-1:2016 Measurement procedure for the assessment of specific absorption rate of human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices – Part 1: Devices used next to the ear (Frequency range of 300 MHz to 6 GHz) KDB procedures KDB 447498 D01 General RF Exposure Guidance v06 KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04 KDB 865664 D02 RF Exposure Reporting v01r02 KDB 643646 D01 SAR Test for PTT Radios v01r03 Note: This wireless device has been shown to be capable of compliance for localized specific absorption rate (SAR) for Occupational/Controlled Exposure limits specified in FCC 47 CFR part 2.1093 and has been tested in accordance with the measurement procedures specified in IEEE 1528-2013 and RF exposure KDB procedures. The results and statements contained in this report pertain only to the device(s) evaluated. Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG210326003-20A SAR Evaluation Report 3 of 32 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ............................................................................................................................ 4 EUT DESCRIPTION ........................................................................................................................................................ 5 TECHNICAL SPECIFICATION............................................................................................................................................. 5 REFERENCE, STANDARDS, AND GUIDELINES .................................................................................................... 6 SAR LIMITS ..................................................................................................................................................................... 6 FACILITIES ...................................................................................................................................................................... 7 DESCRIPTION OF TEST SYSTEM ............................................................................................................................. 8 EQUIPMENT LIST AND CALIBRATION ................................................................................................................ 13 EQUIPMENT LIST AND CALIBRATION ................................................................................................................ 13 EQUIPMENTS LIST & CALIBRATION INFORMATION ...................................................................................................... 13 SAR MEASUREMENT SYSTEM VERIFICATION ................................................................................................ 14 LIQUID VERIFICATION ................................................................................................................................................... 14 SYSTEM ACCURACY VERIFICATION .............................................................................................................................. 15 SAR SYSTEM VALIDATION DATA ........................................................................................................................ 16 EUT TEST STRATEGY AND METHODOLOGY .................................................................................................... 17 TEST POSITIONS FOR DEVICE OPERATING NEXT TO A PERSON’S EAR ......................................................................... 17 CHEEK/TOUCH POSITION .............................................................................................................................................. 18 EAR/TILT POSITION ....................................................................................................................................................... 18 TEST POSITIONS FOR BODY-WORN AND OTHER CONFIGURATIONS ................................................................................ 19 TEST DISTANCE FOR SAR EVALUATION ....................................................................................................................... 19 SA…

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APPENDIX C PROBE CALIBRATION CERTIFICATES DIPOLE CALIBRATION CERTIFICATES

Report No.: RDG210326003-20A Page 1 of 18 Test Plot 1#: FM_12.5kHz_400.0125MHz _Face Up DUT: DIGITAL PORTABLE RADIO; Type: BD502 U(1); Serial: RDG210326003-SA-S1 Communication System: FM; Frequency: 400.012 MHz;Duty Cycle: 1:1 Medium parameters used: f = 400.012 MHz; σ = 0.847 S/m; ε r = 45.659; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: ES3DV2 - SN3019; ConvF(7.02, 7.02, 7.02) @ 400.012 MHz; Calibrated: 2020/11/16  Sensor-Surface: 4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn772; Calibrated: 2020/11/23  Phantom: ELI v8.0; Type: QDOVA004AA; Serial: 2051  Measurement SW: DASY52, Version 52.10 (2); SEMCAD X Version 14.6.12 (7470) Area Scan (61x171x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 6.20 W/kg Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 84.93 V/m; Power Drift = -0.18 dB Peak SAR (extrapolated) = 6.84 W/kg SAR(1 g) = 6.17 W/kg; SAR(10 g) = 5.11 W/kg Maximum value of SAR (measured) = 6.39 W/kg 0 dB = 6.39 W/kg = 8.06 dBW/kg Report No.: RDG210326003-20A Page 2 of 18 Test Plot 2#: FM_12.5kHz_417.5125MHz_ Face Up DUT: DIGITAL PORTABLE RADIO; Type: BD502 U(1); Serial: RDG210326003-SA-S1 Communication System: FM; Frequency: 417.512 MHz;Duty Cycle: 1:1 Medium parameters used: f = 417.512 MHz; σ = 0.853 S/m; ε r = 45.523; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: ES3DV2 - SN3019; ConvF(7.02, 7.02, 7.02) @ 417.512 MHz; Calibrated: 2020/11/16  Sensor-Surface: 4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn772; Calibrated: 2020/11/23  Phantom: ELI v8.0; Type: QDOVA004AA; Serial: 2051  Measurement SW: DASY52, Version 52.10 (2); SEMCAD X Version 14.6.12 (7470) Area Scan (61x171x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 7.09 W/kg Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 90.08 V/m; Power Drift = -0.19 dB Peak SAR (extrapolated) = 7.51 W/kg SAR(1 g) = 6.71 W/kg; SAR(10 g) = 5.57 W/kg Maximum value of SAR (measured) = 6.96 W/kg 0 dB = 6.96 W/kg = 8.43 dBW/kg Report No.: RDG210326003-20A Page 3 of 18 Test Plot 3#: FM_12.5kHz_435MHz_ Face Up DUT: DIGITAL PORTABLE RADIO; Type: BD502 U(1); Serial: RDG210326003-SA-S1 Communication System: FM; Frequency: 435 MHz;Duty Cycle: 1:1 Medium parameters used: f = 435 MHz; σ = 0.862 S/m; ε r = 45.291; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: ES3DV2 - SN3019; ConvF(7.02, 7.02, 7.02) @ 435 MHz; Calibrated: 2020/11/16  Sensor-Surface: 4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn772; Calibrated: 2020/11/23  Phantom: ELI v8.0; Type: QDOVA004AA; Serial: 2051  Measurement SW: DASY52, Version 52.10 (2); SEMCAD X Version 14.6.12 (7470) Area Scan (61x171x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 6.98 W/kg Zoom Scan (5x6x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 92.69 V/m; Power Drift = -0.10 dB Peak SAR (extrapolated) = 7.34 W/kg SAR(1 g) = 6.65 W/kg; SAR(10 g) = 5.48 W/kg Maximum value of SAR (measured) = 6.91 W/kg 0 dB = 6.91 W/kg = 8.39 dBW/kg Report No.: RDG210326003-20A Page 4 of 18 Test Plot 4#: FM_12.5kHz_452.4875MHz_ Face Up DUT: DIGITAL PORTABLE RADIO; Type: BD502 U(1); Serial: RDG210326003-SA-S1 Communication System: FM; Frequency: 452.488 MHz;Duty Cycle: 1:1 Medium parameters used: f = 452.488 MHz; σ = 0.886 S/m; ε r = 44.986; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: ES3DV2 - SN3019; ConvF(7.02, 7.02, 7.02) @ 452.488 MHz; Calibrated: 2020/11/16  Sensor-Surface: 4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn772; Calibrated: 2020/11/23  Phantom: ELI v8.0; Type: QDOVA004AA; Serial: 2051  Measurement SW: DASY52, Version 52.10 (2); SEMCAD X Version 14.6.12 (7470) Area Scan (61x171x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 7.14 W/kg Zoom Scan (5x5x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 90.68 V/m; Power Drift = -0.16 dB Peak SAR (extrapolated) = 7.89 W/kg SAR(1 g) = 6.74 W/kg; SAR(10 g) = 5.42 W/kg Maximum value of SAR (measured) = 7.02 W/kg 0 dB = 7.02 W/kg = 8.46 dBW/kg Report No.: RDG210326003-20A Page 5 of 18 Test Plot 5#: FM_12.5kHz_469.9875MHz_ Face Up DUT: DIGITAL PORTABLE RADIO; Type: BD502 U(1); Serial: RDG210326003-SA-S1 Communication System: FM; Frequency: 469.988 MHz;Duty Cycle: 1:1 Medium parameters used: f = 469.988 MHz; σ = 0.903 S/m; ε r = 44.811; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: ES3DV2 - SN3019; ConvF(7.02, 7.02, 7.02) @ 469.988 MHz; Calibrated: 2020/11/16  Sensor-Surface: 4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn772; Calibrated: 2020/11/23  Phantom: ELI v8.0; Type: QDOVA004AA; Serial: 2051  Measurement SW: DASY52, Version 52.10 (2); SEMCAD X Version 14.6.12 (7470) Area Scan (61x171x1): Interpolated grid: dx=1.500 mm, dy=1.500 mm Maximum value of SAR (interpolated) = 7.55 W/kg Zoom Scan (6x6x7)/Cube 0: Measurement grid: dx=8mm, dy=8mm, dz=5mm Reference Value = 99.89 V/m; Power Drift = -0.11 dB Peak SAR (extrapolated) = 8.10 W/kg SAR(1 g) = 6.78 W/kg; SAR(10 g) = 5.48 W/kg Maximum value of SAR (measured) = 7.12 W/kg 0 dB = 7.12 W/kg = 8.52 dBW/kg Report No.: RDG210326003-20A Page 6 of 18 Test Plot 6#: FM_25kHz_469.9875MHz_ Face Up DUT: DIGITAL PORTABLE RADIO; Type: BD502 U(1); Serial: RDG210326003-SA-S1 Communication System: FM; Frequency: 469.988 MHz;Duty Cycle: 1:1 Medium parameters used: f = 469.988 MHz; σ = 0.903 S/m; ε r = 44.811; ρ = 1000 kg/m 3 Phantom section: Flat Section DASY5 Configuration:  Probe: ES3DV2 - SN3019; ConvF(7.02, 7.02, 7.02) @ 469.988 MHz; Calibrated: 2020/11/16  Sensor-Surface: 4mm (Mechanical Surface Detection)  Electronics: DAE4 Sn772; Calibrated: 2020/11/23  Phantom: ELI v8.0; Type: QDOVA004AA; Serial: 2051  Measurement SW: DASY52, Version 52.10 (2); SEMCAD …

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Report No.:RDG210326003-20A Page 1 of 2 APPENDIX B EUT TEST POSITION PHOTOS Liquid depth ≥ 15cm Report No.:RDG210326003-20A Page 2 of 2 Face Up Setup Photo (25mm) Body Back Setup Photo (0mm) 45mm 25mm 25mm

FCC PART 22, 74, 80 and 90 TEST REPORT For Hytera Communications Corporation Limited Hytera Tower, Hi‐Tech Industrial Park North, 9108# Beihuan Road, Nan shan District, Shenzhen, 518057 China FCC ID: YAMBD50XU1S Report Type: Original Report Product Type: DIGITAL PORTABLE RADIO Re port Number: RDG210326003-00A Report Date: 2021-05-24 Reviewed B y: Gavin Xu RF Engineer Prepared By: Bay Area Compliance Laboratories Corp. (Dongguan) No.12, Pulong East 1 st Road, Tangxia Town, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG210326003-00A Page 2 of 51 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 TECHNICAL SPECIFICATION ......................................................................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 DECLARATIONS ............................................................................................................................................................ 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 SUPPORT CABLE LIST AND DETAILS ............................................................................................................................ 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 6 TEST EQUIPMENT LIST ................................................................................................................................................. 7 ENVIRONMENTAL CONDITIONS .................................................................................................................................... 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 1 - RF EXPOSURE ........................................................................................................................................................ 9 APPLICABLE STANDARD .............................................................................................................................................. 9 TEST RESULT ............................................................................................................................................................... 9 2 - RF OUTPUT POWER ........................................................................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 TEST PROCEDURE ...................................................................................................................................................... 10 TEST DATA ................................................................................................................................................................ 10 3 - MODULATION CHARACTERISTIC ............................................................................................................... 16 APPLICABLE STANDARD ............................................................................................................................................ 16 TEST PROCEDURE ...................................................................................................................................................... 16 TEST DATA ................................................................................................................................................…

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