2A8I4-P10Wireless Music Streamer

User Manual p10 HI-RES MUSIC STREAMER 23 Introduction Thank you for choosing the Presto Music streamer, which we hope brings many hours of enjoyment listening to your favourite music at the highest quality resolution. By controlling the streamer from the Presto Music app you will be able to explore some of the finest music making, curated by our expert editorial team, and learn more about the history of the music and the artists who perform it. The only limit on streaming the highest resolution audio is the capability of your internet connection. What’s in the box Main Unit x 1 User’s Manual x1 3.5mm Mini Jack to RCA cable x 1 Optical cable x 1 USB cable x 1 Power adapter x 1 Main Features • Stream music direct through your Wi-Fi network. • Free iOS and Android apps available for mobile devices. • Free Windows and Mac apps available for desktop and laptop computers. Specifications Connectivity: Wireless network IEE802.11 b/g/n 2.4G WPS (for setup) Bluetooth 5.0 (for setup only) Power Input: 5V-1A micro USB input Audio Output: Analog 3.5mm or Toslink Optical Music Source: Presto Music App Frequency Response: 20Hz to 20kHz Sample Rate: Up to 24bit, 192 kHz Dimensions: 95mm x 53mm x 18mm Weight: 0.07kg (o.16lb) Interface • LED status light - solid blue indicates connected, flashing indicates ready to setup. • WPS button - button for pairing to internet hub. Also acts as a reset button when held for longer than 10 seconds. • Aux-Out - analog 3.5mm out. • Optical-Out - digital audio output. • Power input - 5V/1A micro USB input. 45 Setup Installing the streamer should only take a few minutes, and can be done through any device that is running the Presto Music app and has Bluetooth. Alternatively, if you are using a computer you can connect to your home network using the WPS button on the streamer box. You only need to do it once, and when the streamer is recognised on your Wi-Fi network you will be able to control it through multiple devices, as long as they are connected to your network. The streamer takes data directly from your Wi-Fi network, meaning that the devices are only used to control it. Option 1 - Aux-Out to Amplifier Use the 3.5mm jack on the streamer to connect to one of your amplifier’s line inputs, using the cable provided (or your own equivalent cable). The input on your amplifier could be labelled ‘Audio in’, ‘Auxiliary In’, or ‘Aux In’, or you could use inputs labelled as CD, Radio, TV audio. Note: Please be cautious if using an input designed for a record player/turntable, which might be labeled ‘Phono’, as these are often designed to boost the low-level signal from record players, and could potentially damage your amplifier. Option 2 - Optical-Out to DAC (Digital to Analogue Converter) Remove the square cover from the optical port on the streamer and connect the optical cable (or your own equivalent) to your DAC. The optical cable may come with a small plastic cap which should be removed. Connect the USB cable to the plug provided and connect your streamer to the mains power (you should now see a flashing blue light on the front centre of the streamer, initially quite fast and then a bit slower). Connecting the streamer to your home Wi-Fi network The following step only needs to be done once for the streamer. Once this step is done all installations of the app on different devices and computers will be able to see and control the streamer. If you have an iOS or Android device we strongly advise using this method to set up. VERY IMPORTANT - Before proceeding past this point, ensure that: • Bluetooth is switched on in your device. • Your phone is connected to your home Wi-Fi network and not running off a mobile data (eg. 3G, 4G or 5G) connection. • The Streamer is powered on and flashing blue (at a rate on 1 flash per second). 1. Download the Presto Music streaming app, which is available in the Apple and Android app stores. 2. Open the app and log in using your existing Presto Music account details (email and password) - if you do not already have an account you can create one at this point. 3. Click on Settings cog in the top right corner. 4. Next to Streamer click ‘Add’, then click ‘Continue’. 5. Select ‘Music Streamer’. 6. Select your wireless network and enter your Wi-Fi password. 7. Wait whilst your streamer connects to your network (probably 20-30 seconds). Success is indicated by a solid blue light on the streamer, and a message in the app prompting you to rename your streamer. You can give it a new name or leave it blank, in which case it will be named simply ‘Streamer’. You can rename it later if you choose to do so. 8. Updating the firmware on the streamer: Upon successful installation, the app may prompt you to upgrade the firmware on your streamer. It is important that you do this to update the streamer with the latest version - it will only take a few minutes. Make sure the streamer is not disconnected during this procedure. 9. If you turned on Bluetooth specifically for the the setup you can now turn it off again. 10. You can switch the audio output between the device and the streamer in the settings menu. 67 WPS setup If you do not have a mobile device and will be controlling the streamer from the Win- dows or Mac desktop app you will need to use the WPS button on the streamer and on your router to in order to add the streamer to your home network. The app is not needed for this process. 1. Press the WPS button on your streaming box - the blue light should start flashing rapidly. 2. Press the WPS button on your home Wi-Fi router. 3. After a few seconds the blue light should stop flashing and remain solid blue. 4. Open the app, click on the settings cog, in the Audio Output section choose “Change”, and the streamer should now be visible. NOTE: it may take a couple of seconds for it to show on the list of output options. Audio Settings Volume control You can adjust the output volume of the streamer in the audio output section of the settings menu, or from the …

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Presto Music 9/20/2022 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Wireless Music Streamer / # AND FCC ID: 2A8I4-P10 To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : Chris O'Reilly/ Chief Executive Contact information / address: 23 Regent Grove, Leamington Spa, Warwickshire, CV32 4NN, UK

Presto Music 9/20/2022 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTA Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Client’s signature: Client’s name / title : Chris O'Reilly/ Chief Executive Contact information / address: 23 Regent Grove, Leamington Spa, Warwickshire, CV32 4NN, UK

FCC ID: 2A8I4-P10 P10 External Photos of the EUT Photo 1 Photo 2 Photo 3 FCC ID: 2A8I4-P10 Photo 4 Photo 5 Photo 6 FCC ID: 2A8I4-P10 Photo 7

2.5*2.9cm

FCC ID: 2A8I4-P10 P10 Internal Photos of the EUT Photo 1 Photo 2 Photo 3 2.4G WIFI Antenna BLE(PCB) Antenna FCC ID: 2A8I4-P10 Photo 4 Photo 5 Photo 6 FCC ID: 2A8I4-P10 Photo 7 Photo 8

深圳信诺山通信技术有限公司 连通你我 · 有信如山 WIFI天线规格书 物料编号：W693-1B50B-A 客户：瑞扩 项目名：R10 频段：2.4G 日期：2022.08.26 版本：R:A 研发 结构： 审核： 批准： 射频： 审核： 客户审核： 客户批准： 深圳信诺山通信技术有限公司 Shenzhen Signalsen Telecom Technology Co，.Ltd 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第2页- contents contents ........................................................................................................................................................................... 2 1. PROJECT INFORMATION AND ELECTRICAL SPECIFICATION ................................. 3 1-1 Project picture ............................................................................................................................................................ 3 1-2 Frequency Band: ........................................................................................................................................................ 3 1-3 Impedance matching .................................................................................................................................................. 3 2.VSWR ............................................................................................................................... 3 2-1 Measuring Method: .................................................................................................................................................... 3 2-2 S11 parameter values .............................................................................................................................................. 3 3. EFFICIENCY AND GAIN .............................................................................................. 4 3-1 Efficiency/Peak Gain- 2.4G ........................................................................................................................................ 5 4. THE PRODUCTION INDEX ...............................................................错误！未定义书签。 5.STRUCTURAL DRAWINGS ..............................................................错误！未定义书签。 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第3页- 1. Project information and Electrical Specification Those specifications were specially defined for 2.4G model, and all characteristics were measured under the model’s handset testing jig . 1-1 Project picture 1-2 Frequency Band: Frequency Band MHz WiFi/BT 2400-2500 1-3 Impedance matching 天线原匹配 2.VSWR 2-1 Measuring Method: 1. A 50Ωcoaxial cable is connected to the antenna. Then this cable is connected to a network analyzer to measure the VSWR, 2. Keeping this jig away from metal at least 20cm. 测试示意图如下： 2-2 S11 parameter values 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第4页- 频率（MHZ） 2400 2500 驻波 1.19 1.42 3. Efficiency and Gain *measuring and test instruments: 微波暗室，Agilent网络分析仪，Agilent频谱分析仪，8960综合测试仪，标准天线 *test method: equipment以H面放于转台中心位置固定，与喇叭天线中心位置在同一个水平线上。 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第5页- 3-1 Efficiency/Peak Gain- WIFI/BT 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第6页- 天线量产时，以驻波比作为量产测试标准。 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第7页- 根据项目本身的差异,给出如下标准： 频率 量产标准 WIFI/BT (2400-2500MHZ) VSWR（量产产品）<VSWR(设计样品)+0.5 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第8页- 5. Structuraldrawings

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Ch T RE AI MOUNT 0xx PCB An 0 ON ON E Std 149- 30 02 15 d by: by: reproduced exc to the specific d. ina Te l : 8 Http:/ RE EPOR TAIN VIEW ntenna -2008 Chi Sh Andy Yeh cept in full with tests carried o u 86-755-36698555 //www.morlab.cn EPORT No RT W SILICON ide(Rappo h(Technica out prior written ut which is avai Fax: 86-755-3669 E-mail: service@ o.：SZ190 CO,. LTD orteur) l Director) n permission of lable on reques 98525 @morlab.cn Page 1 of 1 080340E01 f the st for 4 1 MORLAB SHENZHEN MORLAB COMMUNICATIONS TECHNOLOGY Co., Ltd. FL1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 2 of 14 REPORT No.：SZ19080340E01 DIRECTORY 1. Technical Information ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 3 1.1. Manufacturer and Factory Information ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 3 1.2. Equipment Under Test (EUT) Description ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 3 2. Test Results ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 4 2.1. Applied Reference Documents ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 4 2.2. Test Conditions ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 4 2.3. Test Results lists ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 4 Annex A Photographs ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 6 Annex B Figures ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 7 1. 2D Radiation Pattern ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 7 2. 3D Radiation Pattern ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 9 3. Return Loss ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 10 4. VSWR ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 11 5. Input Impedance ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 11 Annex C Photographs ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 12 Annex D General Information ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 14 1.1 Identification of the Responsible Testing Laboratory ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 14 1.2 Identification of the Responsible Testing Location ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 14 1.3 Test Equipments Utilized ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 14 Change History Version Date Reason for change 1.0 2019-10-15 First edition MORLAB SHENZHEN MORLAB COMMUNICATIONS TECHNOLOGY Co., Ltd. FL1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 3 of 14 REPORT No.：SZ19080340E01 1. Technical Information Note: Provide by manufacturer. 1.1. Manufacturer and Factory Information Applicant: SHANGHAI MOUNTAIN VIEW SILICON CO,. LTD Applicant Address: Suite 4C, Building 3, 1238 Zhangjiang Road, Pudong New District, Shanghai, China Manufacturer: SHANGHAI MOUNTAIN VIEW SILICON CO,. LTD Manufacturer Address: Suite 4C, Building 3, 1238 Zhangjiang Road, Pudong New District, Shanghai, China 1.2. Equipment Under Test (EUT) Description Wireless Type N/A Frequency N/A MORLAB SHENZHEN MORLAB COMMUNICATIONS TECHNOLOGY Co., Ltd. FL1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 4 of 14 REPORT No.：SZ19080340E01 2. Test Results 2.1. Applied Reference Documents Leading reference documents for testing: No. Identity Document Title 1 ANSI/IEEE Std 149-2008 IEEE Standard Test Procedures for Antennas 2.2. Test Conditions Test Environment Conditions： Relative Humidity: 25 ... 75 % Temperature: +10 °C to +30 °C 2.3. Test Results lists 2.3.1. Gain Frequency Gain(dBi) 2400MHz 2.81 2410MHz 2.74 2420MHz 3.38 2430MHz 2.73 2440MHz 1.01 2450MHz 1.26 2460MHz 1.50 2470MHz 1.49 2480MHz 1.42 2490MHz 0.36 2500MHz 0.33 MORLAB SHENZHEN MORLAB COMMUNICATIONS TECHNOLOGY Co., Ltd. FL1-3, Building A, FeiYang Science Park, No.8 LongChang Road, Block67, BaoAn District, ShenZhen , GuangDong Province, P. R. China Tel: 86-755-36698555 Fax: 86-755-36698525 Http://www.morlab.cn E-mail: [email protected] Page 5 of 14 REPORT No.：SZ19080340E01 2.3.2. Return Loss/VSWR/Input Impedance Frequency Return Loss (dB) VSWR Input Impedance(Ω) 240…

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深圳信诺山通信技术有限公司 连通你我 · 有信如山 WIFI天线规格书 物料编号：W693-1B50B-A 客户：瑞扩 项目名：R10 频段：2.4G 日期：2022.08.26 版本：R:A 研发 结构： 审核： 批准： 射频： 审核： 客户审核： 客户批准： 深圳信诺山通信技术有限公司 Shenzhen Signalsen Telecom Technology Co，.Ltd 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第3页- 1. Project information and Electrical Specification Those specifications were specially defined for 2.4G model, and all characteristics were measured under the model’s handset testing jig . 1-1 Project picture 1-2 Frequency Band: Frequency Band MHz WiFi/BT 2400-2500 1-3 Impedance matching 天线原匹配 2.VSWR 2-1 Measuring Method: 1. A 50Ωcoaxial cable is connected to the antenna. Then this cable is connected to a network analyzer to measure the VSWR, 2. Keeping this jig away from metal at least 20cm. 测试示意图如下： 2-2 S11 parameter values 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第4页- 频率（MHZ） 2400 2500 驻波 1.19 1.42 3. Efficiency and Gain *measuring and test instruments: 微波暗室，Agilent网络分析仪，Agilent频谱分析仪，8960综合测试仪，标准天线 *test method: equipment以H面放于转台中心位置固定，与喇叭天线中心位置在同一个水平线上。 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第5页- 3-1 Efficiency/Peak Gain- WIFI/BT 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第6页- 天线量产时，以驻波比作为量产测试标准。 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第7页- 根据项目本身的差异,给出如下标准： 频率 量产标准 WIFI/BT (2400-2500MHZ) VSWR（量产产品）<VSWR(设计样品)+0.5 深圳信诺山通信技术有限公司 连通你我 · 有信如山 第8页- 5. Structuraldrawings

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. ..................... : FCC ID............................................. : CTA22082600301 2A8I4-P10 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Amy Wen Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Sept. 01, 2022 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China ............................ : Presto Music Address ............................................ : 23 Regent Grove, Leamington Spa, Warwickshire, CV32 4NN, UK Test specification ........................... : Standard ........................................... : FCC Part 15.247 TRF Originator .................................. : Shenzhen CTA Testing Technology Co., Ltd. Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA 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. Test item description ..................... : Wireless Music Streamer Trade Mark ....................................... : Presto Music Manufacturer .................................... : Presto Music Model/Type reference ...................... : P10 Listed Models .................................. : N/A Modulation Type ............................... : CCK/DSSS/ OFDM Operation Frequency........................: From 2412 - 2462MHz Rating ............................................... : DC 5.0V From external circuit Result ............................................... : PASS Report No.: CTA22082600301 Page 2 of 36 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Wireless Music Streamer Model /Type : P10 Series Model No. N/A Applicant : Presto Music Address : 23 Regent Grove, Leamington Spa, Warwickshire, CV32 4NN, UK Manufacturer : Presto Music Address : 23 Regent Grove, Leamington Spa, Warwickshire, CV32 4NN, UK Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA22082600301 Page 3 of 36 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 T E S T S T A N D A R D S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 S U M M A R Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Equipment Under Test 5 2.4 Short description of the Equipment under Test (EUT) 5 2.5 EUT operation mode 6 2.6 Block Diagram of Test Setup 6 2.7 Related Submittal(s) / Grant (s) 6 2.8 Modifications 6 3 T E S T E N V I R O N M E N T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.1 Address of the test laboratory 7 3.2 Test Facility 7 3.3 Environmental conditions 7 3.4 Test Description 8 3.5 Statement of the measurement uncertainty 8 3.6 Equipments Used during the Test 9 4 T E S T C O N D I T I O N S A N D R E S U L T S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0 4.1 AC Power Conducted Emission 10 4.2 Radiated Emission 13 4.3 Maximum Peak Conducted Output Power 20 4.4 Power Spectral Density 21 4.5 6dB Bandwidth 24 4.6 Out-of-band Emissions 27 4.7 Antenna Requirement 34 5 T E S T S E T U P P H O T O S O F T H E E U T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 5 6 P H O T O S O F T H E E U T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6 Report No.: CTA22082600301 Page 4 of 36 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 1 T E S T S T A N D A R D S The tests were performed according to following standards: FCC Rules Part 15.247: Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz. ANSI C63.10-2013: American National Standard for Testing Unlicensed Wireless Devices KDB558074 D01 v05r02: Guidance for Compliance Measurements on Digital Transmission Systems (DTS) ,Frequency Hopping Spread Spectrum System(HFSS), and Hybrid System Devices Operating Under §15.247 of The FCC rules. Report No.: CTA22082600301 Pa…

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Report No.: CTA22082600301 Page 18 of 36 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 1) Emission level (dBuV/m) = Meter Reading+ antenna Factor+ cable loss- preamp factor. 2) Margin value = Limits-Emission level. 3) -- Mean the PK detector measured value is below average limit. 4) The other emission levels were very low against the limit. 5) RBW1MHz VBW3MHz Peak detector is for PK value; RBW 1MHz VBW10Hz Peak detector is for AV value. Report No.: CTA22082600301 Page 19 of 36 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Results of Band Edges Test (Radiated) Note: 802.11b/802.11g/802.11n (H20) MIMO Mode all have been tested, only worse case 802.11b mode is reported Frequency(MHz): 2412 Polarity: HORIZONTAL Frequency (MHz) Emission Level (dBuV/m) Limit (dBuV/m) Margin (dB) Raw Value (dBuV) Antenna Factor (dB/m) Cable Factor (dB) Pre- amplifier (dB) Correction Factor (dB/m) 2390.00 62.12 PK 74 11.88 72.54 27.42 4.31 42.15 -10.42 2390.00 45.46 AV 54 8.54 55.88 27.42 4.31 42.15 -10.42 Frequency(MHz): 2412 Polarity: VERTICAL Frequency (MHz) Emission Level (dBuV/m) Limit (dBuV/m) Margin (dB) Raw Value (dBuV) Antenna Factor (dB/m) Cable Factor (dB) Pre- amplifier (dB) Correction Factor (dB/m) 2390.00 58.73 PK 74 15.27 69.15 27.42 4.31 42.15 -10.42 2390.00 41.34 AV 54 12.66 51.76 27.42 4.31 42.15 -10.42 Frequency(MHz): 2462 Polarity: HORIZONTAL Frequency (MHz) Emission Level (dBuV/m) Limit (dBuV/m) Margin (dB) Raw Value (dBuV) Antenna Factor (dB/m) Cable Factor (dB) Pre- amplifier (dB) Correction Factor (dB/m) 2483.50 59.06 PK 74 14.94 69.17 27.7 4.47 42.28 -10.11 2483.50 41.18 AV 54 12.82 51.29 27.7 4.47 42.28 -10.11 Frequency(MHz): 2462 Polarity: VERTICAL Frequency (MHz) Emission Level (dBuV/m) Limit (dBuV/m) Margin (dB) Raw Value (dBuV) Antenna Factor (dB/m) Cable Factor (dB) Pre- amplifier (dB) Correction Factor (dB/m) 2483.50 57.55 PK 74 16.45 67.66 27.7 4.47 42.28 -10.11 2483.50 41.44 AV 54 12.56 51.55 27.7 4.47 42.28 -10.11 Note 1) Emission level (dBuV/m) = Meter Reading+ antenna Factor+ cable loss- preamp factor. 2) Margin value = Limits-Emission level. 3) -- Mean the PK detector measured value is below average limit. 4) The other emission levels were very low against the limit. 5) RBW1MHz VBW3MHz Peak detector is for PK value; RBW 1MHz VBW10Hz Peak detector is for AV value. Report No.: CTA22082600301 Page 20 of 36 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 4.3 Maximum Peak Conducted Output Power Limit The Maximum Peak Output Power Measurement is 30dBm. Test Procedure Remove the antenna from the EUT and then connect a low loss RF cable from the antenna port to the power sensor. Test Configuration EUT Power Sensor Test Results Type Channel Output power PK (dBm) Limit (dBm) Result 802.11b 01 12.67 30.00 Pass 06 12.59 11 12.08 802.11g 01 12.70 30.00 Pass 06 12.48 11 12.72 802.11n(HT20) 01 11.72 30.00 Pass 06 11.44 11 11.65 Note: 1) Measured output power at difference data rate for each mode and recorded worst case for each mode. 2) Test results including cable loss. 3) Worst case data at 1Mbps at IEEE 802.11b; 6Mbps at IEEE 802.11g; 6.5Mbps at IEEE 802.11n HT20; Report No.: CTA22082600301 Page 21 of 36 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 4.4 Power Spectral Density Limit For digitally modulated systems, the power spectral density conducted from the intentional radiator to the antenna shall not be greater than 8 dBm in any 3 kHz band during any time interval of continuous transmission. Test Procedure 1. Use this procedure when the maximum peak conducted output power in the fundamental emission is used to demonstrate compliance. 2. 3. 4. Set the span to 1.5 times the DTS channel bandwidth. 5. Detector = peak. 6. Sweep time = auto couple. 7. Trace mode = max hold. 8. Allow trace to fully stabilize. 9. Use the peak marker function to determine the maximum power level. 10. If measured value exceeds limit, reduce RBW (no less than 3 kHz) and repeat. 11. The resulting peak PSD level must be 8dBm. Test Configuration EUT SPECTRUM ANALYZER Test Results Type Channel Power Spectral Density (dBm/3KHz) Limit (dBm/3KHz) Result 802.11b 01 -10.79 8.00 Pass 06 -12.57 11 -13.34 802.11g 01 -16.96 8.00 Pass 06 -18.45 11 -19.37 802.11n(HT20) 01 -17.86 8.00 Pass 06 -18.61 11 -19.80 Note: 1) Measured peak power spectrum density at difference data rate for each mode and recorded worst case for each mode. 2) Test results including cable loss; 3) Worst case data at 1Mbps at IEEE 802.11b; 6Mbps at IEEE 802.11g; 6.5Mbps at IEEE 802.11n HT20; Please refer to following plots; Report No.: CTA22082600301 Page 22 of 36 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Baoan District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 802.11b 802.11g CH01 CH01 CH06 CH06 CH11 CH11 Report No.: CTA22082600301 Page 23 of 36 Shenzhen CTA Testing Technol…

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