2A4G5-HLM9521HLM9521-HW4

Issue：V1.1.0 Date: 20221128 HLM 9521 Hardware Datasheet Connection For Innovation - 1 - V1.1.0 Date: 20221128 HLM 9521 Hardwar e Datasheet Contents 1 Mechanical Dimensions ................................................................................................................................................... - 3 - 2 Pin Definition ....................................................................................................................................................................... - 3 - 3 Specification ......................................................................................................................................................................... - 4 - 4 Reference Circuit ................................................................................................................................................................ - 5 - Connection For Innovation - 2 - V1.1.0 Date: 20221128 HLM 9521 Hardwar e Datasheet File Modification History Connection For Innovation - 3 - V1.1.0 Date: 20221128 HLM 9521 Hardwar e Datasheet 1 Mechanical Dimensions Connection For Innovation - 4 - V1.1.0 Date: 20221128 HLM 9521 Hardwar e Datasheet 31 ANT RF - Radio Singal Input and Output 32 GND GND - Other NC NC - Connection For Innovation - 5 - V1.1.0 Date: 20221128 HLM 9521 Hardwar e Datasheet 4 Reference Circuit F igure 1 - 2 M odule r eference Circuit I nstructions ： PCB Trace between antenna and module ANT pin need to be matched to 50 - ohm impedance . It is recommended that users add a matching network between the module ANT pin and the antenna pins ( e.g., the π - circuit C 2 , R1, C1) . It is recommended that the C3 tolerance of the filter capacitor be larger than 1u f . T he NRST pin has been pulled up inside the module. The SWD pin s and Debug Pin ( P1) are used for debugging . FCC Statement This device complies with part 15 of the FCC 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. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursua nt to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful inte rference in a residential installation. This equipment generates uses and can radiate radio frequency energy a nd, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turn ing the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ‐ Reorient or relocate the receiving antenna. ‐ Increase the separation between the equipment and receiver. ‐Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ‐Consult the dealer or an experienced radio/TV technician for help important announcement Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.Country Code selection feature to be disabled for products marketed to the US/Canada. This device is intended only for OEM integrators under the following conditions: 1. The antenna must be installed such that 20 cm is maintained between the antenna and users, and 2. The transmitter module may not be co-located with any other transmitter or antenna, As long as the three conditions above are met, further transmitter testing will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed. Important Note: In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization End Product Labeling The final end product must be labeled in a visible area with the following" Contains FCC ID: 2A4G5-HLM9521". Manual Information to the End User The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user’s manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual. Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01 2.2 List of applicable FCC rules CFR 47 FCC PART 15 SUBPART C has been investigated. It is applicable to the modular transmitter 2.3 Specific operational use conditions This module is stand-alone modular. If the end product will involve the Multiple simultaneously transmitting condition or different operational conditions for a stand-alone modular transmitter in a host, host manufacturer have to consult with module manufacturer for the installation method in end system. 2.4 Limited module procedures Not applicable 2.5 Trace antenna designs Not applicable 2.6 RF exposure considerations This equipment complies with FCC radiation exposure limits set forth for an…

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Hangzhou Hylin loT Technology Co., Ltd. No.80 Pingshui WestRoad xihu District Hangzhou China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2023-11-3 U.S. Agent Designation Hangzhou Hylin loT Technology Co., Ltd. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2A4G5-HLM9521): Name and company of U.S. agent: ACT Lab LLC Physical U.S. address of agent: 3280 East 59th Street Long Beach, CA 90805 United States FRN of U.S. agent: 0033465568 Email address of U.S. agent: [email protected] ACT Lab LLC acknowledges their obligation to accept service of process on behalf of Hangzhou Hylin loT Technology Co., Ltd.. Hangzhou Hylin loT Technology Co., Ltd. with the FRN [0031962707] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature Sean Xu CEO Hangzhou Hylin loT Technology Co., Ltd. Signature Scott Huber Senior Technical Director ACT Lab LLC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

FCC ID: 2A4G5-HLM9521 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT LORA Antenna EUT Auxiliary plate FCC ID: 2A4G5-HLM9521 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT

FCC ID: 2A4G5-HLM9521 TB-RF-074-1.0 Appendix IID Label Appendix II ID Label Location HLM9521-HW4 FCC ID: 2A4G5-HLM9521 Model: HLM9521

FCC ID: 2A4G5-HLM9521 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 5 Internal of EUT Photo 6 Appearance of PCB FCC ID: 2A4G5-HLM9521 TB-RF-074-1.0 Photo 7 Appearance of PCB Photo 8 Appearance of PCB

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202308-0242-3 Page: 1 of 5 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 Maximum Permissible Exposure Evaluation FCC ID: 2A4G5-HLM9521 1. Client Information Applicant : Hangzhou Hylin loT Technology Co., Ltd. Address : No.80 Pingshui WestRoad xihu District Hangzhou China Manufacturer : Hangzhou Hylin loT Technology Co., Ltd. Address : No.80 Pingshui WestRoad xihu District Hangzhou China 2. General Description of EUT EUT Name : HLM9521-HW4 Models No. : HLM9521, HLM9521-xxx Model Different : All these models are identical in the same PCB, layout and electrical circuit, the only difference is model name. Product Description : Operation Frequency: LORA(125KHz): 902.3MHz~914.9MHz LORA(125KHz): 915.2MHz~927.6MHz LORA(500KHz): 903MHz~914.2MHz LORA(500KHz): 902.5MHz~926.5MHz LORA(500KHz): 923.3MHz~927.5MHz Antenna Gain: 1.03dBi Sucker Antenna Power Rating : USB Input: DC 5V Software Version : ---- Hardware Version : V01 Connecting I/O Port(S) : Please refer to the User's Manual Remark : the evaluation report used the EUT(HC-C-202308-0242-01-01-2#). Report No.: TBR-C-202308-0242-3 Page: 2 of 5 TB-RF-074-1.0 MPE Calculations for LORA 1. EUT Operation Condition: Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. 2. Exposure Evaluation: Equation from page 18 of OET Bulletin 65, Edition 97-01 S=(PG)/4πR 2 Where S: power density P: power input to the antenna G: power gain of the antenna in the direction of interest relative to an isotropic radiator. R: distance to the center of radiation of the antenna 3. Simultaneous transmission MPE Considerations According to KDB447498: All transmitters and antennas in the host must be either evaluated for MPE compliance, by measurement or computational modeling, or qualify for the standalone MPE test exclusion in section 7.1. Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modeled or measured field strengths or power density, is ≤ 1.0. This means that: ∑ of MPE ratios ≤ 1.0 Report No.: TBR-C-202308-0242-3 Page: 3 of 5 TB-RF-074-1.0 4. Test Result: LORA(DSS) Worst Maximum MPE Result Mode N TX Freq. (MHz) Conducted Power(max) (dBm) Turn-up Power (dB) Max tune up power (dBm) [P] ANT Gain (dBi) [G] Distance (cm) [R] Power Density (mW/cm 2 ) [S] Limit of Power Density (mW/ cm 2 ) (S) LORA 1 902.3 9.640 10±1 11 1.03 20 0.00317 0.6015 908.9 9.648 10±1 11 1.03 20 0.00317 0.6015 914.9 9.611 10±1 11 1.03 20 0.00317 0.6015 Note: N TX = Number of Transmit Antennas RF Output power specifies that Maximum Conducted Peak Output Power. LORA(DSS) Worst Maximum MPE Result Mode N TX Freq. (MHz) Conducted Power(max) (dBm) Turn-up Power (dB) Max tune up power (dBm) [P] ANT Gain (dBi) [G] Distance (cm) [R] Power Density (mW/cm 2 ) [S] Limit of Power Density (mW/ cm 2 ) (S) LORA 1 915.2 9.848 10±1 11 1.03 20 0.0032 0.6015 920.6 9.792 10±1 11 1.03 20 0.0032 0.6015 927.6 9.778 10±1 11 1.03 20 0.0032 0.6015 Note: N TX = Number of Transmit Antennas RF Output power specifies that Maximum Conducted Peak Output Power. LORA(DTS) Worst Maximum MPE Result Mode N TX Freq. (MHz) Conducted Power(max) (dBm) Turn-up Power (dB) Max tune up power (dBm) [P] ANT Gain (dBi) [G] Distance (cm) [R] Power Density (mW/cm 2 ) [S] Limit of Power Density (mW/ cm 2 ) (S) LORA 1 903 19.491 19±1 20 1.03 20 0.0252 0.6015 907.8 20.601 20±1 21 1.03 20 0.0317 0.6015 914.2 20.591 20±1 21 1.03 20 0.0317 0.6015 Note: N TX = Number of Transmit Antennas RF Output power specifies that Maximum Conducted Peak Output Power. Report No.: TBR-C-202308-0242-3 Page: 4 of 5 TB-RF-074-1.0 LORA(DTS) Worst Maximum MPE Result Mode N TX Freq. (MHz) Conducted Power(max) (dBm) Turn-up Power (dB) Max tune up power (dBm) [P] ANT Gain (dBi) [G] Distance (cm) [R] Power Density (mW/cm 2 ) [S] Limit of Power Density (mW/ cm 2 ) (S) LORA 1 902.5 18.998 18±1 19 1.03 20 0.0200 0.6015 914.5 20.180 20±1 21 1.03 20 0.0317 0.6015 926.5 20.624 20±1 21 1.03 20 0.0317 0.6015 Note: N TX = Number of Transmit Antennas RF Output power specifies that Maximum Conducted Peak Output Power. LORA(DTS) Worst Maximum MPE Result Mode N TX Freq. (MHz) Conducted Power(max) (dBm) Turn-up Power (dB) Max tune up power (dBm) [P] ANT Gain (dBi) [G] Distance (cm) [R] Power Density (mW/cm 2 ) [S] Limit of Power Density (mW/ cm 2 ) (S) LORA 1 923.3 20.534 20±1 21 1.03 20 0.0317 0.6015 925.1 20.725 20±1 21 1.03 20 0.0317 0.6015 927.5 20.633 20±1 21 1.03 20 0.0317 0.6015 Note: N TX = Number of Transmit Antennas RF Output power specifies that Maximum Conducted Peak Output Power. Report No.: TBR-C-202308-0242-3 Page: 5 of 5 TB-RF-074-1.0 5. Conclusion: As specified in Table 1B of 47 CFR 1.1310- Limits for Maximum Permissible Exposure (MPE), Limits for General Population/ Uncontrolled Exposure Frequency Range (MHz) Power density (mW/ cm 2 ) 300-1,500 F/1500 1,500-100,000 1.0 For LORA :902~928MHz The worst MPE is calculated as 0.0317mW/ cm2 < limit 1mW / cm 2 . So, RF exposure limit warning or SAR test are not required. The EUT will only be used with a separation of 20cm or greater between the antenna and nearby persons and can therefore be considered a mobile transmitter per 47 CFR2.1091 (b). The RF Exposure Information page from the manual is included here for reference. Note For a more detailed features description, please refer to the RF Test Report. 6. Conclusion: The measurement results comply with the FCC Limit per 47 CFR 2.1091 for the uncontrolled RF Exposure of mobile device. -----END OF THE REPORT-----

杭州晟天物联有限公司 第1页 产 品 承 认 书 （SPECIFICATION） 日期/DATE：2023/01/10 编号/NUMBER：205940-1 版本/VERSION：A1 客户名称 CUSTOMER: 客户料号 CUSTOMER P/N: 晟天编号： PART MODEL:HZ5940N-1.5M 产品名称： PRODUCTNAME :915MHz ANT 1.5M-RPSMA-J 晟天承认APPROVAL OF SUPPLIER 编制DEAWN BY 审核CHECKED BY 核准APPROVED BY 黄浩 林国富 肖大田 客户承认 APPROVE BY CUSTOMER 杭州晟天物联有限公司 第2页 变更履历 NO 版本 变更日期 变更内容概述 变更原因 1 A1 2023.01.10 首次发行 --------- 杭州晟天物联有限公司 第3页 1、产品技术指标（PRODUCT TECHNICAL SPECIFICATION） 电性能指标Electrical Specifications 频率范围Frequency Range (MHz) 820--960MHZ 1710—2690MHZ 频带宽度Bandwidth (MHz) 140MHZ 980MHZ 输入阻抗Input Impendence (Ω) 50 电压驻波比V.S.W.R ≤ 2 增益Gain 1dBi @902~915MHz 极化形式Polarization Type 垂直Vertical 功率容量Power Capacity (w) 50 机械指标Mechanical Specifications 线缆长度 Antenna Length (mm) 1500 mm 连接器型号Connect Type RPSMA-J (Customize) 外壳颜色Radome Color 黑色 Black 天线部分重量ANT Weight (g) （15）g (Without cable) 杭州晟天物联有限公司 第4页 2、产品图片（Product picture） 杭州晟天物联有限公司 第5页 3、机械性能（MECHAICAL CHARACTERISTICS） 1 摇摆测试 BENDING TEST 放离接头30CM的线端上荷重120g，固 定接头后进行遥摆测试，遥摆角度左右各 60度， 遥摆1000次后测试特性. A load of 120g is placed on the end of the wire 30cm from the connector, the connector is fixed and then tested by remote pendulum, the angle of remote pendulum is 60 degrees on the left and right, the characteristics are tested after 1000 pendulums 遥摆1000次后测试 特性无任何现象显 示电器性能之损坏. After 1,000 remote pendulums the test characteristics show no signs of damage to the electrical performance. 2 强度测试 STRENG TEST 15磅静负荷施加放线端底部持续一分钟. 15 lbs static load applied to the bottom of the payoff end for one minute 无任何现象显示机 械及电器性能之损 坏. No signs of damage to the mechanical or electrical properties. 3 振动测试 VIBRATION TEST 以1.10mm和振幅和33.30Hz/sec振动频率 以X轴方向振动120分钟，Y轴方向振动 120分钟，Z轴方向振动240分钟. 120 minutes of vibration in the X-axis, 120 minutes in the Y-axis and 240 minutes in the Z-axis at an amplitude of 1.10mm and a vibration frequency of 33.30Hz/sec 无任何现象显示电 器性能之损坏. There are no signs of damage to the electrical performance. 杭州晟天物联有限公司 第6页 4、耐久性测试（DURABILITY） 1 高温试验 HEAT TEST 在85+2°C环境中放96小时，再放在正常环 境中30分钟后进行测试 85+2°C for 96 hours, after keep in normal condition for 30mim the to test. 所有规格变化范 围初始值30% All characteristic range is 30% of the initial value 3 湿度试验 HUMIDITY TEST 在40+2°C 90-95%RH环境中放96小时， 再放在正常环境中30分钟后进行测试 40+2°C 90-95%RH for 96hours, after keep in normal condition for 30mim the to test. 3 低温试验 COLD TEST 在-40+2°C 环境中放96小时，再置放正常 环境中30分钟后进行测试 -40+2°C for 96hours, after keep in normal condition for 30mim the to test. 杭州晟天物联有限公司 第7页 5、测试图片（Test picture）

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202308-0242-22 Page: 1 of 49 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Test Report FCC ID: 2A4G5-HLM9521 Report No. : TBR-C-202308-0242-22 Applicant : Hangzhou Hylin loT Technology Co., Ltd. Equipment Under Test (EUT) EUT Name : HLM9521-HW4 Model No. : HLM9521 Series Model No. : HLM9521-xxx Brand Name : ---- Sample ID : HC-C-202308-0242-01-01-1#& HC-C-202308-0242-01-01-2# Receipt Date : 2023-09-20 Test Date : 2023-09-20 to 2023-11-03 Issue Date : 2023-11-03 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Witness Engineer : Wade. Lv Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202308-0242-22 Page: 2 of 49 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT.............................................................................. 5 1.1 Client Information ................................................................................................................. 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 6 1.4 Description of Support Units .............................................................................................. 6 1.5 Description of Test Mode .................................................................................................... 7 1.6 Description of Test Software Setting ................................................................................ 8 1.7 Measurement Uncertainty .................................................................................................. 8 1.8 Test Facility ........................................................................................................................... 9 2. TEST SUMMARY ..................................................................................................................... 10 3. TEST SOFTWARE ................................................................................................................... 10 4. TEST EQUIPMENT .................................................................................................................. 11 5. CONDUCTED EMISSION ....................................................................................................... 13 5.1 Test Standard and Limit .................................................................................................... 13 5.2 Test Setup ........................................................................................................................... 13 5.3 Test Procedure ................................................................................................................... 13 5.4 Deviation From Test Standard ......................................................................................... 14 5.5 EUT Operating Mode ........................................................................................................ 14 5.6 Test Data ............................................................................................................................. 14 6. RADIATED AND CONDUCTED UNWANTED EMISSIONS ............................................ 15 6.1 Test Standard and Limit .................................................................................................... 15 6.2 Test Setup ........................................................................................................................... 16 6.3 Test Procedure ................................................................................................................... 17 6.4 Deviation From Test Standard ......................................................................................... 18 6.5 EUT Operating Mode ........................................................................................................ 18 6.6 Test Data ............................................................................................................................. 18 7. EMISSIONS IN NONRESTRICTED FREQUENCY BANDS ............................................ 19 7.1 Test Standard and Limit .................................................................................................... 19 7.2 Test Setup ........................................................................................................................... 19 7.3 Test Procedure ................................................................................................................... 19 7.4 Deviation From Test Standard ......................................................................................... 20 7.5 EUT Operating Mode ........................................................................................................ 20 7.6 Test Data ............................................................................................................................. 20 8. BANDWIDTH TEST ................................................................................................................. 21 8.1 Test Standard and Limit .....................................................................................…

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Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202308-0242-23 Page: 1 of 50 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Test Report FCC ID: 2A4G5-HLM9521 Report No. : TBR-C-202308-0242-23 Applicant : Hangzhou Hylin loT Technology Co., Ltd. Equipment Under Test (EUT) EUT Name : HLM9521-HW4 Model No. : HLM9521 Series Model No. : HLM9521-xxx Brand Name : ---- Sample ID : HC-C-202308-0242-01-01-1#& HC-C-202308-0242-01-01-2# Receipt Date : 2023-09-20 Test Date : 2023-09-20 to 2023-11-03 Issue Date : 2023-11-03 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Witness Engineer : Wade. Lv Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202308-0242-23 Page: 2 of 50 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT.............................................................................. 5 1.1 Client Information ................................................................................................................. 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 7 1.4 Description of Support Units .............................................................................................. 7 1.5 Description of Test Mode .................................................................................................... 8 1.6 Description of Test Software Setting ................................................................................ 9 1.7 Measurement Uncertainty .................................................................................................. 9 1.8 Test Facility ......................................................................................................................... 10 2. TEST SUMMARY ..................................................................................................................... 11 3. TEST SOFTWARE ................................................................................................................... 11 4. TEST EQUIPMENT .................................................................................................................. 12 5. CONDUCTED EMISSION ....................................................................................................... 14 5.1 Test Standard and Limit .................................................................................................... 14 5.2 Test Setup ........................................................................................................................... 14 5.3 Test Procedure ................................................................................................................... 14 5.4 Deviation From Test Standard ......................................................................................... 15 5.5 EUT Operating Mode ........................................................................................................ 15 5.6 Test Data ............................................................................................................................. 15 6. RADIATED AND CONDUCTED UNWANTED EMISSIONS ............................................ 16 6.1 Test Standard and Limit .................................................................................................... 16 6.2 Test Setup ........................................................................................................................... 17 6.3 Test Procedure ................................................................................................................... 18 6.4 Deviation From Test Standard ......................................................................................... 19 6.5 EUT Operating Mode ........................................................................................................ 19 6.6 Test Data ............................................................................................................................. 19 7. EMISSIONS IN NONRESTRICTED FREQUENCY BANDS ............................................ 20 7.1 Test Standard and Limit .................................................................................................... 20 7.2 Test Setup ........................................................................................................................... 20 7.3 Test Procedure ................................................................................................................... 20 7.4 Deviation From Test Standard ......................................................................................... 21 7.5 EUT Operating Mode ........................................................................................................ 21 7.6 Test Data ............................................................................................................................. 21 8. BANDWIDTH TEST ................................................................................................................. 22 8.1 Test Standard and Limit ......................................................................................…

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Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202308-0242-24 Page: 1 of 49 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Test Report FCC ID: 2A4G5-HLM9521 Report No. : TBR-C-202308-0242-24 Applicant : Hangzhou Hylin loT Technology Co., Ltd. Equipment Under Test (EUT) EUT Name : HLM9521-HW4 Model No. : HLM9521 Series Model No. : HLM9521-xxx Brand Name : ---- Sample ID : HC-C-202308-0242-01-01-1#& HC-C-202308-0242-01-01-2# Receipt Date : 2023-09-20 Test Date : 2023-09-20 to 2023-11-03 Issue Date : 2023-11-03 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Witness Engineer : Wade. Lv Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Re…

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