2A5TQ-G57Wireless HDMI Transmitter and Receiver

User manual Ver . A 1.0 Wireless HD Transmitter & Receiver Kit Thank you for purchasing the MiraScreen products, For optimum operation, please read this manual carefully before use. Preface Size:100*57mm Connection Diagram Problem solving Q: How to restore factory settings? A: When the product fails, press and hold the receiver function button for 10 seconds. After a black screen appears and restart, the factory settings will be restored. Q: Can devices without HD interface be used? A: Yes, please use the device with an HD interface converter. Q: How to enter privacy mode? A: Tap the transmitter function button to disconnect or reconnect. FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, 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 particularinstallation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try tocorrect 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. 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. RF Exposure Statement (RX) To maintain compliance with FCC's RF Exposure guidelines, This equipment should be installed and operated with minimum distance of 20cm the radiator your body. This device and its antenna(s) must not be co-located or operation in conjunction with any otherantenna or transmitter. 1. Connect the HD port of the receiver to the video input port of the display device such as the monitor or TV. 2. Connect the Micro power supply port of the receiver to the charging cable and plug it into the power adapter ( Voltage above 5V, current above 2A). Turn on the Receiver power switch. 3. Adjust the HD Signal source of the monitor or TV to the corresponding HD port untithe boot screen is displayed. 4. Connect the transmitter to the computer or other devices With HD video output function . After the indicator Light enters the fast flash state , Wait for ten seconds to complete Casting. *Please make sure that the power of the computer is sufficient. If the power supply of the computer is insufficient or HD is unable to supply power , please connect the transmitter to the power adapter or Micro power supply port ( Voltage above 5V , current above 2A ) 使用手册 Ver . A 1.0 智能HD无线传输系统 尊敬的用户, 感谢您选购 MiraScreen 产品。为了能更进一步 了解本产品, 使用前请仔细阅读本说明书。祝您体验愉快! 前言 接收器-RX Receiver-RX Transmitter-TX 1. Please Press the receiver function button for more than 3 seconds, and the prompt will pop up on the interface : Release the button to pair With Ezcast TX. Wait for the transmitter to enter pairing mode 2. Press the transmitter function button for more than 5 seconds , the indicator will flash for pairing , and Wait for the transmitter indicator to be always on,indicating that the connection is successful. 接收器[RX] - 功能键 发射器[TX] - 功能键 Receiver[RX] Function Button Transmitter[TX] - Function Button Transmitter Indicator Status 连接示意图 硬件投屏 功能键 接收器+发射器组合使用，即插即用 1. 将接收器的HD口连接到显示器或电视等显示设备的视 频输入口。 2. 将接收器的Micro供电口连接充电线，插入电源适配 器或 Micro供电口(电压5V电流2A)，打开接收器电源 开关。 3. 将显示器或电视的HD信号源调整到相应的HD口，直 到接收器开机画面显示，开机成功。 4. 将发射器接入电脑或其它具有HD功能视频输出功能的 设备。指示灯进入快闪状态后等待十几秒，完成投射。 * 请务必保证电脑电量充足，如果电脑供电不足或者HD无 法供电，请将发射器的电源插入适配器上或者 Micro供 电口(电压5V电流2A)。 配对说明 产品在出厂时已完成配对。使用过程中操作不当或其它情况 造成配对失败，需对设备进行恢复重新配对的步骤如下: 1. 请按住接收器功能键3秒钟以上，界面弹出提示语: Release the button to pair with EZCast TX。等待发射 器进入配对模式。 2. 按住发射器功能键5秒钟以上，指示灯出现快闪进行配对， 等待发射器指示灯常亮表示连接成功。 发射器指示灯状态 慢闪未连接 配对中 已连接 快闪 常亮 问题解答 Q: 如何恢复出厂设置? A: 当产品出现故障时，长按接收器功能键10秒，出现 黑屏重启后，即恢复出厂设置。 Q: 没有HD接口的设备可以使用? A: 可以的，设备请配合HD接口转换器使用。 Q: 如何进入隐私模式? A: 轻按发射器功能键，即可断开或回连。 Hardware Casting Combination of receiver and transmitter, plug and play Pairing Instructions The product has been paired out of the factory. In case of pairing failure due to improper operation or other circumstances during use, it is necessary to restore and re pair the device as follows: Slow FlashDisconnected Fast FlashPairing Always On Connected Micro 供电口 指示灯 HD 接口 HD 接口 Micro Power Supply Port Micro Power Supply Port Indicator Light Indicator Light Function Button Function Button HD HD 发射器-TX 功能键 Micro 供电口 指示灯

SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – EquipmentType Company name: SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Address: 4th Floor, Building B, Qiao Hongsheng cultural and creative garden, Xixiang Jiedao, Bao'an District, Shenzhen City, China Product Name: Wireless HDMI Transmitter and Receiver FCCID: 2A5TQ-G57 Model(s): G57, G58, G59, G69, G70, G71, G72, G73, G74, G75, G76, G77, G78, G79, G80, G81, G82, G83, G84, G85, G86, G87, G88, G89, G90, G91, G92, G100, G200, G300, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P100, P200, P300, R36 2.911(d)(5)(i) EquipmentType We, [SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Zhenyu Shu Date: Mar. 06, 2023 Title: Manager Company name: SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Signature: NOTE 1 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Address: 4th Floor, Building B, Qiao Hongsheng cultural and creative garden, Xixiang Jiedao, Bao'an District, Shenzhen City, China Product Name: Wireless HDMI Transmitter and Receiver FCCID: 2A5TQ-G57 Model(s): G57, G58, G59, G69, G70, G71, G72, G73, G74, G75, G76, G77, G78, G79, G80, G81, G82, G83, G84, G85, G86, G87, G88, G89, G90, G91, G92, G100, G200, G300, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P100, P200, P300, R36 2.911(d)(5)(ii) Applicant filing We, [SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is is not identified NOTE 1 on the “Covered List” NOTE 2 ,established pursuant to §1.50002 of this chapter,as an entity producing coveredcommunications equipment. Yours sincerely, Name: Zhenyu Shu Date: Mar. 06, 2023 Title: Manager Company name: SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Signature: NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List ”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Agent Authorization Company: SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Address: 4th Floor, Building B, Qiao Hongsheng cultural and creative garden, Xixiang Jiedao, Bao'an District, Shenzhen City, China Product Name: Wireless HDMI Transmitter and Receiver Model Number(s): G57, G58, G59, G69, G70, G71, G72, G73, G74, G75, G76, G77, G78, G79, G80, G81, G82, G83, G84, G85, G86, G87, G88, G89, G90, G91, G92, G100, G200, G300, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P100, P200, P300, R36 Product Description: Wireless HDMI Transmitter and Receiver We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Mar. 06, 2023 Name: Zhenyu Shu Title: Manager Company: SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD

SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Mar. 06, 2023 Subject; Request for Confidentiality FCC ID: 2A5TQ-G57 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 Parts List Operational Description Tune-up Procedure Software Security Requirement 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. Sincerely, Signature: Name: Zhenyu Shu Title: Manager

FCC Software Configuration Control Declaration Rev1.0.docx SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD FCC Software Configuration Control Declaration Date: Mar. 06, 2023 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Attn: OET Dept. Product: Wireless HDMI Transmitter and Receiver Model No.: G57, G58, G59, G69, G70, G71, G72, G73, G74, G75, G76, G77, G78, G79, G80, G81, G82, G83, G84, G85, G86, G87, G88, G89, G90, G91, G92, G100, G200, G300, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P100, P200, P300, R36 Regarding FCC Country Code Selection guidelines identified in KDB 594280 D01 v02r01. “All applications for equipment authorization for transmitters that can have radio parameters, or other technical parameters, reported to the Commission set by software must have an attestation indicating that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified.” We declare that no third party will have software, or configuration control, to program the device out of compliance of the technical rules under which it has been certified. Date: Mar. 06, 2023 Name:Zhenyu Shu Title: Manager Signature of applicant

SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Model Difference Declaration To Whom It May Concern, We, SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD (Wireless HDMI Transmitter and Receiver) ; Model Number: G57, G58, G59, G69, G70, G71, G72, G73, G74, G75, G76, G77, G78, G79, G80, G81, G82, G83, G84, G85, G86, G87, G88, G89, G90, G91, G92, G100, G200, G300, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P100, P200, P300, R36; All model’s the function, software and electric circuit are the same, only with a product color, appearance and model named different. Test sample model: G57. Please contact me if you have any question. Signature: Date: Mar. 06, 2023 Name: Zhenyu Shu Title: Manager

Annex A External Photos Report No.: HK2302270551-1E/2E Page 1 of 5 Report No.: HK2302270551-1E/2E Page 2 of 5 Report No.: HK2302270551-1E/2E Page 3 of 5 Report No.: HK2302270551-1E/2E Page 4 of 5 Report No.: HK2302270551-1E/2E Page 5 of 5

FCC ID LABEL: Ca. 10mm x 20mm label location FCC ID: 2A5TQ-G57

Annex B Internal Photo Report No.: HK2302270551-1E/2E Page 1 of 3 Report No.: HK2302270551-1E/2E Page 2 of 3 Antenna Report No.: HK2302270551-1E/2E Page 3 of 3

MPE ESTIMATION FCC ID: 2A5TQ-G57 1, Limit for General Population/ Uncontrolled Exposures Frequency Power density (mW/ cm 2 ) Averaging time(minutes) 300MHz----1.5GHz F/1500 30 1.5GHz---100GHz 1.0 30 2, Estimation Result For 5.2/5.8 WIFI: Mode Max PK Output power(dBm) Tune Up Power(dBm) Max Tune Up power(mW) Antenna Gain(dBi) Antenna Gain (linear) MPE (mW/cm²) 5.2G WIFI 14.01 13.5±1(14.5)28.18 2.22 1.67 0.00937 5.8G WIFI 14.41 13.5±1(14.5)28.18 2.12 1.63 0.00914 Note: Note: The estimation distance is 20cm Note: PK Output power= conducted power. Conducted power see the test report HK2302270551-1E/2E. 5.2G WIFI antenna gain=2.22dBi 5.8G WIFI antenna gain=2.12dBi When the minimum test separation distance is >20 cm, a distance of 20 cm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.00937mW/cm² which is< 1.0mW/cm², RF Exposure testing is not required. Note: the device could not transmit simultaneously in 5.2G and 5.8G -------The End-------

产品规格书 PRODUCT SPECIFICATION Customer: Shenzhen Xianzhi IOT Technology Co., Ltd. Customer’s part number: ANT000075 Product description: 2.4G/5G Dual Frequency Antenna Manufacturer：Shenzhen RedbirdTek Technology Co., Ltd. 1、产品技术指标（PRODUCT TECHNICAL SPECIFICATION） 电性能指标Electrical Specifications 频率范围Frequency Range (MHz) 2400-2500/5150-5350/5700-5850 频带宽度Bandwidth (MHz) 2.4G：100 5G：350 输入阻抗Input Impendence (Ω) 50 电压驻波比V.S.W.R ≤2.0 增益Gain (dBi) 2.4G：<3.04 5.1G：<2.22 5.8G： <2.12 极化形式Polarization Type 垂直Vertical 机械指标Mechanical Specifications 天线长度Antenna Length (mm) 21.5*2.5*4.5mm 辐射体Radiator 钢片镀镍Steel 连接器型号Connect Type DIP 工作温度Working Temp(°C) -20~85 储藏温度Storage Temperature(°C) -40~90 外壳颜色Radome Color Silver 重量Weight (g) 0.5 产品简介Product introduction: 该天线是专为无线内置天线设备设计生产的，天线具有外形美观，结 构小巧，安装方便的优点。材质使用不锈钢镀镍，硬度足够。 The antenna is specially designed and produced for wireless built-in antenna equipment. The antenna has the advantages of beautiful appearance, compact structure and convenient installation. The material is nickel-plated stainless steel with sufficient hardness. 2、产品图片（PRODUCT PICTURE） 3、产品规格图(PRODUCT SPECIFICATION CHART) 4、驻波图（STATIONARY WAVE PATTERN） 5.增益效率值Gain and Efficiency： 6.场型图Field Pattern：

Page 1 of 61 Report No.: HK2302270551-1E FCC Test Report Test report On Behalf of SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD For Wireless HDMI Transmitter and Receiver Model No.: G57, G58, G59, G69, G70, G71, G72, G73, G74, G75, G76, G77, G78, G79, G80, G81, G82, G83, G84, G85, G86, G87, G88, G89, G90, G91, G92, G100, G200, G300, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P100, P200, P300, R36 FCC ID: 2A5TQ-G57 Prepared For : SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD 4th Floor, Building B, Qiao Hongsheng cultural and creative garden, Xixiang Jiedao, Bao'an District, Shenzhen City, China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Feb. 24, 2023 ~ Mar. 02, 2023 Date of Report: Mar. 02, 2023 Report Number: HK2302270551-1E Page 2 of 61 Report No.: HK2302270551-1E TEST RESULT CERTIFICATION Applicant’s name .................. : SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Address .................................. : 4th Floor, Building B, Qiao Hongsheng cultural and creative garden, Xixiang Jiedao, Bao'an District, Shenzhen City, China Manufacture's Name ............. : SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Address .................................. : 4th Floor, Building B, Qiao Hongsheng cultural and creative garden, Xixiang Jiedao, Bao'an District, Shenzhen City, China Product description Trade Mark: N/A Product name ............................ : Wireless HDMI Transmitter and Receiver Model and/or type reference . : G57, G58, G59, G69, G70, G71, G72, G73, G74, G75, G76, G77, G78, G79, G80, G81, G82, G83, G84, G85, G86, G87, G88, G89, G90, G91, G92, G100, G200, G300, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P100, P200, P300, R36 Standards .............................. : FCC Rules and Regulations Part 15 Subpart E Section 15.407 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Feb. 24, 2023 ~ Mar. 02, 2023 Date of Issue ........................................... : Mar. 02, 2023 Test Result ............................................... : Pass Prepared by: Project Engineer Reviewed by: Project Supervisor Approved by: Technical Director Page 3 of 61 Report No.: HK2302270551-1E TABLE OF CONTENTS 1. Test Result Summary ............................................................................... 5 1.1. Test Procedures and Results ........................................................................................................... 5 1.2. Information of The Test Laboratory ................................................................................................ 5 1.3. Measurement Uncertainty ................................................................................................................ 6 2. EUT Description ........................................................................................ 7 2.1. General Description of EUT ............................................................................................................. 7 2.2. Operation Frequency Each Of Channel .......................................................................................... 8 2.3. Operation of EUT During Testing .................................................................................................... 8 2.4. Description of Test Setup ................................................................................................................. 9 3. General Information ................................................................................ 10 3.1. Test Environment and Mode .......................................................................................................... 10 3.2. Description of Support Units ......................................................................................................... 11 4. Test Results and Measurement Data .................................................... 12 4.1. Conducted Emission ....................................................................................................................... 12 4.2. Maximum Conducted Output Power ............................................................................................. 16 4.3. 6db Emission Bandwidth ............................................................................................................... 19 4.4. 26db bandwidth and 99% occupied bandwidth ........................................................................... 20 4.5. Power Spectral Density .................................................................................................................. 27 4.6. Band Edge ........................................................................................................................................ 34 4.7. Spurious Emission .......................................................................................................................... 47 4.8. Frequency Stability Measurement ................................................................................................. 55 4.9. Antenna Requirement ..................................................................................................................... 58 5. Photographs of Test Setup .................................................................... 59 6. Photos of The EUT .................................................................................. 61 Page 4 of 61 Report No.: HK2302270551-1E ** Modified Hist…

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Page 1 of 59 Report No.: HK2302270551-2E FCC Test Report Test report On Behalf of SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD For Wireless HDMI Transmitter and Receiver Model No.: G57, G58, G59, G69, G70, G71, G72, G73, G74, G75, G76, G77, G78, G79, G80, G81, G82, G83, G84, G85, G86, G87, G88, G89, G90, G91, G92, G100, G200, G300, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P100, P200, P300, R36 FCC ID: 2A5TQ-G57 Prepared For : SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD 4th Floor, Building B, Qiao Hongsheng cultural and creative garden, Xixiang Jiedao, Bao'an District, Shenzhen City, China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Feb. 24, 2023 ~ Mar. 02, 2023 Date of Report: Mar. 02, 2023 Report Number: HK2302270551-2E Page 2 of 59 Report No.: HK2302270551-2E Test Result Certification Applicant’s name .................. : SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Address .................................. : 4th Floor, Building B, Qiao Hongsheng cultural and creative garden, Xixiang Jiedao, Bao'an District, Shenzhen City, China Manufacture's Name ............. : SHENZHEN SAGE IOT TECHNOLOGY CO.,LTD Address .................................. : 4th Floor, Building B, Qiao Hongsheng cultural and creative garden, Xixiang Jiedao, Bao'an District, Shenzhen City, China Product description Trade Mark: N/A Product name ............................ : Wireless HDMI Transmitter and Receiver Model and/or type reference . : G57, G58, G59, G69, G70, G71, G72, G73, G74, G75, G76, G77, G78, G79, G80, G81, G82, G83, G84, G85, G86, G87, G88, G89, G90, G91, G92, G100, G200, G300, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P100, P200, P300, R36 Standards .............................. : FCC Rules and Regulations Part 15 Subpart E Section 15.407 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Feb. 24, 2023 ~ Mar. 02, 2023 Date of Issue ........................................... : Mar. 02, 2023 Test Result ............................................... : Pass Testing Engineer : (Gary Qian) Technical Manager : (Eden Hu) Authorized Signatory : (Jason Zhou) Page 3 of 59 Report No.: HK2302270551-2E TABLE OF CONTENTS 1. Test Result Summary ............................................................................... 5 1.1. TEST PROCEDURES AND RESULTS ......................................................................................................... 5 1.2. INFORMATION OF THE TEST LABORATORY ............................................................................................. 5 1.3. MEASUREMENT UNCERTAINTY ............................................................................................................... 6 2. EUT Description ........................................................................................ 7 2.1. GENERAL DESCRIPTION OF EUT ............................................................................................................ 7 2.2. OPERATION FREQUENCY EACH OF CHANNEL ......................................................................................... 8 2.3. OPERATION OF EUT DURING TESTING ................................................................................................... 8 2.4. DESCRIPTION OF TEST SETUP ................................................................................................................ 9 3. Genera Information ................................................................................. 10 3.1. TEST ENVIRONMENT AND MODE ........................................................................................................... 10 3.2. DESCRIPTION OF SUPPORT UNITS ........................................................................................................ 11 4. Test Results and Measurement Data .................................................... 12 4.1. CONDUCTED EMISSION ........................................................................................................................ 12 4.2. MAXIMUM CONDUCTED OUTPUT POWER .............................................................................................. 16 4.3. 6DB EMISSION BANDWIDTH .................................................................................................................. 18 4.4. 26DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ............................................................................ 25 4.5. POWER SPECTRAL DENSITY ................................................................................................................ 26 4.6. BAND EDGE ........................................................................................................................................ 33 4.7. SPURIOUS EMISSION ........................................................................................................................... 46 4.8. FREQUENCY STABILITY MEASUREMENT ................................................................................................ 54 4.9. ANTENNA REQUIREMENT ..................................................................................................................... 56 5. Photographs of Test Setup .................................................................... 57 6. Photos of the EUT ................................................................................... 59 Page 4 of 59 Report No.: HK2302270551-2E ** Modified Histor…

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Model: G57 Radiated Emission Conducted Emission