2ACCRHOMEHUB100Development Kit

Home Hub 100 production specification & Startup Guide Rev 2.0 Sep 2020 History Version Date Description V0.2 09/11/2018 Initial specification draft V1.0 01/20/2020 Update with new photo V2.0 09/4/2020 (1) Update the wireless characteristics (2) Update the guides (3) Update the figure CONTENTS 1 Overview .................................................................................................................................. 3 1.1 Features ....................................................................................................................... 3 1.2 Application ................................................................................................................... 4 2 ASV1108 Hardware description ........................................................................................... 5 2.1 ASV1108_ Top view .................................................................................................. 5 2.2 ASV1108_Bottom view .............................................................................................. 6 2.3 ASV1108_structure diagram..................................................................................... 7 3 ASV1108 and WL501 board Sketch Map ........................................................................... 8 3.1 WL501 board Interface Description ......................................................................... 8 3.2 WL501 board and ASV1108 Connection ................................................................ 9 4 Wireless characteristics ........................................................................................................ 10 4.1 2.4GHz power measurements ........................................................................................... 10 4.2 5 GHz power measurements ............................................................................................. 10 4.3 BLE power measurements ................................................................................................. 11 4.4 802.15.4 power measurements ......................................................................................11 5 Sample application ............................................................................................................... 12 5.1Run the App: ...................................................................................................................... 12 6 Appendix ................................................................................................................................. 14 6.1 Hardware included ................................................................................................... 14 7 Related Documents.......................................................................................................... 14 1 Overview ASV1108(Ehong Smart Voice) is an intelligent voice suite with integrated voice triggering function. Use the Conexant CX20921 Platform, CX20921 is a high performance far field speech input processor on the chip system，support low system power Wakeon-Voice（WoV） function, support SSP output, noise suppression and full duplex Acoustic Echo Cancellation （AEC）. Support multiple extension ports, speaker interface, headphone jack. Support analog MIC and digital MIC. Support USB2.0 Support Mute Button and Wake-up Button. Carry Qualcomm WL501 board Development Board, used for building wireless smart audio, smart home appliances, internet of things and other devices. 1.1 Features Cores •C-programmable dual core 32-bit DSP (CAPE) with X and Y data, P memory spaces running at worstcase 200MHz, and yields 800MIPS •Each core has dual Multiply-Accumulate (MAC) and dual memory •Fixed point DSP with floating point assist •Each MAC supports 32 x 24-bit and 64-bit accumulators •Supports zero-overhead loop, circular buffers, and bit-reverse indexing •32-bit Arithmetic Logic Unit (ALU) that supports efficient bit manipulation •Data memory access is 16-bit, 32-bit, and 64-bit •Virtually all programming is done in C, using a very efficient C-compiler from Target •Natively supported data types include: int, short, long, long long, Q15, Q23, Q8.23, and Q31 •Support two speakers, and two MIC. •Power: Input 5V, 1A On-Chip Memory Integrated memory 747KB SRAM and 66KB ROM: •ROM = 46KB (Data) and 20KB (Program) •RAM = 522KB (Data) and 225KB (Program) SERIAL FLASH MEMORY：32M bit 1.2 Application Voice control smart TV/set-top box Smart Bluetooth/WiFi Speakers Voice interactive smart device Internet of things (IOT) devices Car hands-free control/communication 2 ASV1108 Hardware description 2.1 ASV1108_ Top view 2.2 ASV1108_Bottom view Figure 2 ASV1108_Bottom view ASV1108 Evaluation Kit has three Microphones. One Left Microphone (MIC L) and two right Microphones (MIC R), you can adjust the MIC R switchover to control which one will be used. When ASV1108 J8 pin1 and pin 2 are connected by Jumper, MIC R 55mm is activated When ASV1108 J8 pin2 and pin 3 are connected by Jumper, MIC R 30mm is activated 2.3 ASV1108_structure diagram Figure 3 ASV1108_structure diagram 3 ASV1108 and WL501 board Sketch Map 3.1 WL501 board Interface Description The WL501 board Product Development Kit is engineered to help developers and device manufacturers create unique IoT products that work in concert with a wide variety of other devices and cloud ecosystems. The kit is well suited for developing IoT applications such as smart cities, toys, home control and automation, appliances, networking and home entertainment. The WL501 board kit is designed to provide interoperability among diverse IoT devices including most popular wireless standards, protocols and communication frameworks, and ease connectivity to various cloud and application services. Figure 5 WL501 board Interface description F igure 6 ASV1108 Connection view 3.2 WL501 board and ASV1108 Connection 4 Make connections to the ASV1108 board as shown in Figure 6 below. When FW Updating or…

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Date: 2020-05-28 Sincerely, Signature: Typed or Printed Name: Tony Tang Title: Manager Attestation Letter To Whom It May Concern, The chip QCA4020 installed in our product Development Kit (model name: Home Hub 100, FCC ID: 2ACCRHOMEHUB100), which supports 2.4G Wi-Fi, BLE 1MHz, BLE 2MHz, Zigbee(2405-2475 MHz), 5G Wi‐Fi Band1(5150‐5250MHz), Band2(5250-5350MHz), Band3(5470‐5725MHz), Band4(5725‐5850MHz) functions. But for this product, it only activates 2.4G Wi-Fi, BLE 1MHz, BLE 2MHz, Zigbee(2405-2475MHz), 5G Wi‐Fi Band1and Band4 functions, the other functions are disabled by using the software. Please contact me if there is need for any additional clarification or information. Company Name: ShangHai Ehong Technology Co.,Ltd. Add:Suite501,No.3 building,No.439 Jinglian road,Minhang district,Shanghai,China Tel: 021-61263536 Fax: 021-61263536 E-mail: [email protected] FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046

QA-FR-170-B Company: ShangHai Ehong Technology Co.,Ltd. Add: Suite501,No.3 building,No.439 Jinglian road,Minhang district,Shanghai,China Tel: 021-61263536 Fax: 021-61263536 Email: [email protected] FCC Authorization Date: 2020-05-28 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We, ShangHai Ehong Technology Co.,Ltd., the undersigned, Hereby authorizes Bay Area Compliance Laboratories Corporation to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Bay Area Compliance Laboratories Corp. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signature: Typed or Printed Name: Tony Tang Title: Manager

Company Name: ShangHai Ehong Technology Co.,Ltd. Add:Suite501,No.3 building,No.439 Jinglian road,Minhang district,Shanghai,China Tel: 021-61263536 Fax: 021-61263536 E-mail: [email protected] FCC Confidential Authorization Date:2020-05-28 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2ACCRHOMEHUB100 To: whom it may concern, In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, ShangHai Ehong Technology Co.,Ltd. hereby requests long-term confidential treatment of information accompanying this application as outlined below: Block Diagram Schematics Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely Yours, Signature: Typed or Printed Name: Tony Tang Title: Manager

EXHIBIT A - EUT EXTERNAL PHOTOGRAPHS

Model: Home Hub 100 FCC ID: 2ACCRHOMEHUB100 IC: 22745-HOMEHUB100

EXHIBIT B - EUT INTERNAL PHOTOGRAPHS 2.4G Wi-Fi/ 5G Wi-Fi Antenna BLE/Zigbee Antenna

Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHF200528002-00D FCC Part 15.407 Page 14 of 71 FCC §1.1310 & §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) Applicable Standard According to subpart 1.1310, 2.1091 systems operating under the provisions of this section shall be operated in a manner that ensures the public is not exposed to RF energy level in excess of the communication guidelines. Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3-1.34 614 1.63 *(100) 30 1.34-30 824/f 2.19/f *(180/f²) 30 30-300 27.5 0.073 0.2 30 300-1500 / f/1500 30 1500-100,000 / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); For simultaneously transmit system, the calculated power density should comply with: Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHF200528002-00D FCC Part 15.407 Page 15 of 71 Calculated Data (worst case): Mode Frequency (MHz) Maximum Antenna Gain Tune-up Conducted Power Evaluation Distance (cm) Power Density (mW/cm 2 ) MPE Limit (mW/cm 2 ) (dBi) (numeric)(dBm)(mW) 2.4G WiFi 802.11b 2412-2462 1.0 1.26 23.00199.53 20 0.0500 1.0 2.4G WiFi 802.11 g 1.0 1.26 24.00251.19 20 0.0630 1.0 802.11n-HT20 1.0 1.26 23.50223.87 20 0.0561 1.0 802.11n-HT40 2422-2452 1.0 1.26 22.00158.49 20 0.0397 1.0 BLE(1Mbps) 2402-2480 1.0 1.26 2.50 1.78 20 0.0004 1.0 BLE(2Mbps) 2402-2480 1.0 1.26 1.50 1.41 20 0.0004 1.0 Zigbee 2405~2475 1.0 1.26 1.00 1.26 20 0.0003 1.0 5G WiFi 5180-5240 1.0 1.26 22.00158.49 20 0.0397 1.0 5G WiFi 5745-5825 1.0 1.26 19.0079.43 20 0.0199 1.0 Note: 2.4G Wi-Fi/5G Wi-Fi and BLE/Zigbee can transmit simultaneously; the worst condition as below: =0.0630/1.00+0.0004/1.00=0.0634 < 1.0 Conclusion: The device meets MPE at distance 20cm.

FCC PART 15.407 TEST REPORT For ShangHai Ehong Technology Co.,Ltd. Suite501,No.3 building,No.439 Jinglian road, Minhang district,Shanghai,China FCC ID: 2ACCRHOMEHUB100 Report Type: Original Report Product Type: Development Kit Test Engineer: Winnie Yan g Report Number: RSHF200528002-00D Report Date: 2020-08-10 Reviewed By: Oscar Ye EMC Mana ger Test Laboratory: Bay Area Compliance Laboratories Corp. (Kunshan) No.248 Chenghu Road,Kunshan,Jiangsu province,China Tel: +86-0512-86175000 Fax: +86-0512-88934268 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Kunshan) Report No.: RSHF200528002-00D FCC Part 15.407 Page 2 of 71 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 3 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 3 OBJECTIVE ................................................................................................................................................................... 3 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 3 TEST METHODOLOGY .................................................................................................................................................. 3 MEASUREMENT UNCERTAINTY .................................................................................................................................... 4 TEST FACILITY ............................................................................................................................................................. 4 SYSTEM TEST CONFIGURATION .......................................................................................................................... 5 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 5 EUT EXERCISE SOFTWARE .......................................................................................................................................... 5 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 9 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 9 EXTERNAL I/O CABLE .................................................................................................................................................. 9 BLOCK DIAGRAM OF TEST SETUP .............................................................................................................................. 10 SUMMARY OF TEST RESULTS ............................................................................................................................. 12 TEST EQUIPMENT LIST ......................................................................................................................................... 13 FCC §1.1310 & §2.1091 - MAXIMUM PERMISSIBLE EXPOSURE (MPE) .......................................................... 14 FCC §15.203 – ANTENNA REQUIREMENT .......................................................................................................... 16 APPLICABLE STANDARD ............................................................................................................................................ 16 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 16 FCC §15.407 (b) (8) §15.207 (a) – AC POWER LINE CONDUCTED EMISSIONS ............................................ 17 APPLICABLE STANDARD ............................................................................................................................................ 17 EUT SETUP ................................................................................................................................................................ 17 EMI TEST RECEIVER SETUP ....................................................................................................................................... 17 TEST PROCEDURE ...................................................................................................................................................... 18 CORRECTED FACTOR & OVER LIMIT CALCULATION .................................................................................................. 18 TEST RESULTS SUMMARY .......................................................................................................................................... 18 TEST DATA ................................................................................................................................................................ 18 §15.205 & §15.209 & §15.407(B) (1), (4), (8),(9) – UNDESIRABLE EMISSION & RESTRICTED BANDS ..... 23 APPLICABLE STANDARD ............................................................................................................................................ 23 EUT SETUP ................................................................................................................................................................ 23 EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP .............................................................................................. 24 TEST PROCEDURE ...................................................................................................................................................... 24 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 25 TEST DATA .........................................…

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EXHIBIT C - TEST SETUP PHOTOGRAPHS Conducted Emissions - Front Side Conducted Emissions - Rear Side Radiated Emissions View (Below 1GHz) Radiated Emissions View (1GHz-18GHz) Radiated Emissions View (18GHz-40GHz)