2ATYK-RUNAM1Runa M

5.8 GHz Digital Wireless Microphone Speaker System User Manual Description Product Name Brand Name Series Model Wireless Speaker PentaClass G2 PentaClass PTCG2 Wireless Microphone Runa M PentaClass RM1 A4Schools SIA All Rights Reserved 2019/07 A4Schools SIA 2 I Introduction PentaClass G2 and Runa M is a high-fidelity, anti-interference and professional digital wireless microphone speaker system, developed and made by A4Schools SIA. using SOYO-WM58G01 digital wireless audio transceiver modules. Based on a large number of customer feedback and suggestions and the strategic research of the market and R&D team, We launch the new 2nd-generation digital high-fidelity wireless microphone speaker system, having all the outstanding performances of the previous generation products. High integration, strong anti-interference, generous input connectors, and the sound quality is good, as its sound quality reaches to the lever of HDCD，having a good reputation of the highest sampling rate at present and the best sound quality in the industry. At the same time, the following features have been added: i. The speaker itself has energy-saving features, reflecting the company's green environmental awareness. ii. After booting, it automatically enters the pairing state, and the pairing time is less than 3 seconds. With our customized USB dongle, the microphone has a PowerPoint page remote control function, so that can work with a projector or computer display for the purpose of the speech and presentation. iii. The microphone is powered by a lithium battery, and the charging, data transfer, and updates are realized through the Micro-USB cable. Practical and user-friendly. iv. The speaker has an RS232 serial port, which can be connected to the central control device. Via the control panel and serial port, we can control the speaker, such as power on/off, volume control, Bluetooth on/off, etc. Having 3.5mm audio input, one-way broadcast emergency signal input, one way Bluetooth 4.0 input, two 5.8GHz wireless input. v. The wireless speaker is equipped with 2 wireless microphones. Two people holding a microphone can talk and the human voices can be increased at the same time without disturbing each other. vi. Perfect structural design to achieve 360 degrees omnidirectional sound field dispersion effect. vii. The system operates at 5.8 GHz, which is an ISM international free band so that it is suitable for the global market. viii. The system has 30 optional channels, equipped with 2 wireless microphones with master/slave mode. the master one can also control the slave one. The purpose of modes is to make the teacher can mute the slave microphone so that he or she manages the classroom freely. II Applications They are widely used in houses of worship, schools, auditoriums, conference and meeting rooms, stadiums, clubs and a variety of similar situations. Virtually any public gathering where sound-system coverage is advantageous offers the opportunity for effective use of a wireless microphone speaker system. A4Schools SIA 3 III Electrical Parameters No. Description Speaker Microphone 1 Voltage AC 19V DC 3.3 - 4.3V 2 Electric Current Depending on the audio source Max 280mA 3 Operating Temperature -15 -65°C -15 -65°C 4 Frequency Range 5725-5850MHz 5725-5850MHz 5 Modulation Mode GFSK GFSK 6 Baud Rate 2M bps 2M bps 7 Channel Spacing 4MHz 4MHz 8 Frequency Stability ± 100KHz ± 100KHz 9 Channel selection Manual Manual 10 Channel Quantity 30 Channels 30 Channels 11 Range Up to 10 meters 12 Receiver Sensitivity -90dBm -90dBm 13 Input/output 1*3.5mm audio input 1*3.5mm audio output, 1*broadcast signal input, 1*Bluetooth 4.0 input,2*5.8GHz wireless input, 1*RS232 serial port 1*3.5mm audio line-in， 1*3.5mm microphone input 14 Frequency Response 20 - 20000Hz 15 Latency <15ms 16 Sample Rate 64kHz 16 bit 17 SNR 95 dB 18 THD 0.3 % @ 1kHz 19 Dynamic Range 90dB 20 Stereo Isolation 85dB A4Schools SIA 4 IV User Guide i．Function Parts ❶ Unspecified function. ❷ The microphone: Capture sound from a 90 degree angle. ❸ 3.5mm Microphone Input: Connect the included headset microphone. ❹ LCD Screen: Displays channel, volume, power and charging status. ❺ MENU Key: Press it to enter the main menu of the microphone. to exit MENU, just press MENU key shortly ❻ Up Arrow Key: Volume up (*), and Move up in the navigation menu. ❼ Left Arrow Key: Move left in the navigation menu，and Page up in the PowerPoint slide when use the supplied USB dongle. ❽ OK Key: Keep pressing the key for 3~5 seconds to turn on or off, a short press the key to enter a choice you have made. ❾ Down Arrow Key: Volume down (**), and Move down in the navigation menu. ❿ Right Arrow Key: Move right in the navigation menu，and Page down in the PowerPoint slide. ⓫ Mute Key: Mute the wireless microphone. ⓬ USB Interface: To charge the wireless microphone. A4Schools SIA 5 ⓭ Line In: For 3.5mm audio line in. ⓮ Belt Clip: Use this to clip the microphone unit to your belt while wearing the headset microphone if desired. Remark-*&**: The volume adjustment only for the volume control of the microphone itself. ii. The Wireless Microphone Main Menu Diagram iii Wireless Speaker Indicator Introduction It has 4 indicators(red, blue, yellow and green), one of which is a bi-color (red, green) light. 1. No Light –The speaker is OFF 2. Green Light – The speaker is ON. the speaker may turn ON if Aux input has been detected (In this case, the speaker shows that it is ON, but no Microphones or BT devices are connected) 3. Flashing Yellow Light – The microphone pairing mode is being activated and speaker is pairing to the microphone 4. Yellow Light – The speaker is connected to the microphone – it can be Master, Slave or both of them 5. Flashing Blue Light –The Bluetooth pairing mode is activated 6. Blue Light– The speaker is connected to the BT device 7. Red – Emergency announcement 8. Remark: 1. There is a setting input priority, the green light will be lit when there isn’t Bluetooth and broadcast si…

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2021-01-23 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC 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). Sincerely, Name: Lauris Stafeckis Title: CEO Company: A4Schools SIA

2021-01-23 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Shenzhen STS Test Services Co., Ltd., 1/F., Building B, Zhuoke Science Park, No.190, Chongqing Road, Fuyong Street, Bao’an District, Shenzhen, Guangdong,China (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with A4Schools SIA, Marijas street16 - 6A, Riga, LV-1011, Latvia (Applicant Name and address) Sincerely, Name: Lauris Stafeckis Title: CEO Company: A4Schools SIA

2021-01-23 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID:__ 2ATYK-RUNAM1___ Product Name:___ Runa M ___ Model name: RM1 Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...) • Schematics • Block diagram • Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Sincerely, Name: Lauris Stafeckis Title: CEO Company: A4Schools SIA

Page 1 of 6 Report No.: STS1907016 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model:RM1 Photo 1 Photo 2 Page 2 of 6 Report No.: STS1907016 Photo 3 Photo 4 Page 3 of 6 Report No.: STS1907016 Photo 5 Photo 6 Page 4 of 6 Report No.: STS1907016 Photo 7 Photo 8 Page 5 of 6 Report No.: STS1907016 Photo 9 Photo 10 Page 6 of 6 Report No.: STS1907016 Photo 11 Photo 12

Label Runa M Model name: RM1 FCC ID: 2ATYK-RUNAM1 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. 50mm 40mm Note: This label is silk creen on the surface of the prototype

Page 1 of 4 Report No.: STS1907016 APPENDIX-PHOTOGRAPHS OF EUT CONSTRUCTIONAL DETAILS Model:RM1 Photo 1 Photo 2 Photo 3 Antenna Page 2 of 4 Report No.: STS1907016 Photo 4 Page 3 of 4 Report No.: STS1907016 Photo 5 Photo 6 Page 4 of 4 Report No.: STS1907016 Photo 7 Photo 8

Any reproduction of this document must be done in full. No single part of this document may be reproduced without permission from STS, All Test Data Presented in this report is only applicable to presented Test sample. Shenzhen STS Test Services Co., Ltd. A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China TEL: +86-755 3688 6288 FAX: +86-755 3688 6277 E-mail:[email protected] FCC TEST REPORT Report No: STS1907016W01 Issued for A4Schools SIA Marijas street16 - 6A, Riga, LV-1011, Latvia Product Name: Runa M Brand Name: PentaClass Model Name: RM1 Series Model: N/A FCC ID: 2ATYK-RUNAM1 Test Standard: FCC Part 15.249 S T L A B S Page 2 of 36 Report No.: STS1907016W01 TEST RESULT CERTIFICATION Applicant’s Name ................. : A4Schools SIA Address .................................. : Marijas street16 - 6A, Riga, LV-1011, Latvia Manufacture's Name ............ : SOYO TECHNOLOGY DEVELOPMENT CO., LTD Address .................................. : ROOM 308A, 3/F, BUILDING 2, DUOLI IDNUSTRY ZONE, 105 MEIHUA ROAD, MEIFENG COMMUNITY, MEILIN STREET, FUTIAN DISTRICT, SHENZHEN, China Product Description Product Name ........................ : Runa M Brand Name ......................... : PentaClass Model Name ........................... : RM1 Series Model .......................... : N/A Test Standards ...................... : FCC Part15.249 Test Procedure ....................... : ANSI C63.10-2013 This device described above has been tested by STS, the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of STS, this document only be altered or revised by STS, personal only, and shall be noted in the revision of the document. Date of Test ............................ : Date of receipt of test item ..... : 08 July 2019 Date of performance of tests .. : 08 July 2019 ~ 24 Dec. 2019 Date of Issue .......................... : 24 Dec. 2019 Test Result .............................. : Pass Testing Engineer : (Chris Chen) Technical Manager : (Sunday Hu) Authorized Signatory : (Vita Li) Page 3 of 36 Report No.: STS1907016W01 Table of Contents Page 1. SUMMARY OF TEST RESULTS 5 1.1 TEST FACTORY 6 1.2 MEASUREMENT UNCERTAINTY 6 2. GENERAL INFORMATION 7 2.1 GENERAL DESCRIPTION OF THE EUT 7 2.2 DESCRIPTION OF THE TEST MODES 9 2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 10 2.4 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 11 2.5 EQUIPMENTS LIST FOR ALL TEST ITEMS 12 3. EMC EMISSION TEST 13 3.1 CONDUCTED EMISSION MEASUREMENT 13 3.2 RADIATED EMISSION MEASUREMENT 17 4. BANDWIDTH TEST 32 4.2 TEST SETUP 32 4.3 EUT OPERATION CONDITIONS 32 4.4 TEST RESULTS 33 5. ANTENNA REQUIREMENT 35 5.1 STANDARD REQUIREMENT 35 5.2 EUT ANTENNA 35 APPENDIX- PHOTOS OF TEST SETUP 36 Page 4 of 36 Report No.: STS1907016W01 Revision History Rev. Issue Date Report NO. Effect Page Contents 00 24 Dec. 2019 STS1907016W01 ALL Initial Issue Page 5 of 36 Report No.: STS1907016W01 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part 15.249 , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission N/A 15.203 Antenna Requirement Pass 15.249 Radiated Spurious Emission Pass 15.205 Radiated Band Edge Emission Pass 15.249 20dB Bandwidth Pass NOTE: (1) ‘N/A’ denotes test is not applicable in this Test Report. (2) All tests are according to ANSI C63.10-2013. Page 6 of 36 Report No.: STS1907016W01 1.1 TEST FACTORY SHENZHEN STS TEST SERVICES CO., LTD Add. : A 1/F, Building B, Zhuoke Science Park, No.190 Chongqing Road, HepingShequ, Fuyong Sub-District, Bao’an District, Shenzhen, Guang Dong, China FCC test Firm Registration Number: 625569 IC test Firm Registration Number: 12108A A2LA Certificate No.: 4338.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.68dB 2 Unwanted Emissions, conducted ±2.988dB 3 All emissions, radiated 30-1GHz ±6.7dB 4 All emissions, radiated 1G-6GHz ±5.5dB 5 All emissions, radiated>6G ±5.8dB 6 Conducted Emission (9KHz-150KHz) ±4.43dB 7 Conducted Emission (150KHz-30MHz) ±5dB Page 7 of 36 Report No.: STS1907016W01 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name Runa M Trade Name PentaClass Model Name RM1 Series Model N/A Model Difference N/A Product Description The EUT is a Runa M Operation Frequency: 5785 ~ 5814MHz Modulation Type: GFSK Antenna Designation: Hardware omnidirectional antenna Antenna Gain(Peak): 4.34 dBi Based on the application, features, or specification exhibited in User's Manual, the EUT is considered as an ITE/Computing Device. More details of EUT technical specification, please refer to the User's Manual. Channel List Please refer to the Note 2. Power Rating Input: 5V 500mA Battery Rated Voltage: 3.7V Charge Limit: 4.2V Capacity: 1100 mAh Hardware version number tp-wtg10b-v1.6 Software version number tp-wtg10b-v1.0 Note: 1. For a more detailed features description, please refer to the manufacturer’s specifications or the User’s Manual. Page 8 of 36 Report No.: STS1907016W01 2. Channel List Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 1 5785 9 5793 17 5801 25 5809 2 5786 10 5794 18 5802 26 5810 3 5787 11 5795 19 5803 27 5811 4 5788 12 5796 20 5804 28 5812 5 5789 13 5797 21 5805 29 5813 6 5790 14 5798 22 5806 30 5814 7 5791 15 5799 23 5807 8 5792 16 5800 24 5808 3. Table for Filed Antenna Ant Brand Model Name Antenna Type Connector Gain (dBi) NOTE 1 PentaClass RM1 Hardware omnidirectional antenna N/A 4.34 dBi Antenna Page 9 of 36 Report No.: STS1907016…

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Page 1 of 2 FCC ID: 2ATYK-RUNAM1 DXX Setup photo Model name: RM1 DXX conduction DXX radiation L Page 2 of 2 FCC ID: 2ATYK-RUNAM1 DXX radiation H