Qualcomm Mesh Networking DevKit Supports Amazon AVS

The Qualcomm Mesh Networking Development Kit for Amazon AVS enables integration of Amazon Alexa Voice Services into mesh Wi-Fi systems. A somewhat recent blog post on Amazon Developer website explains the devkit is the first ever Amazon-qualified reference design for a mesh WiFi system with Alexa built-in.

The reference platform is based on the Qualcomm IPQ4019 SoC, includes a rectangular 4-microphone array, far-field audio processing algorithms for noise suppression, acoustic echo cancellation, wake word engine, and the AVS Device SDK.

Qualcomm Mesh Networking Devkit for Amazon AVS

Qualcomm Mesh Networking DevKit specifications:

  • WiSoC – Qualcomm IPQ4019 quad core Arm Cortex-A7 processor @ 717 MHz with SIMD DSP, WiFi 5; 40 nm process technology
  • System Memory – 1GB DDR3L RAM
  • Storage – eMMC flash and microSD card
  • Display I/F – LCD interface
  • Connectivity
    • WiFi
      • Standards: 802.11ac Wave 2, 802.11ac, 802.11p, 802.11n
      • Bands: 2.4 GHz, 5 GHz
      • Peak speed: 1.733 Gbps
      • Channel Utilization: 20/40/80 MHz, 5/10/20/40 MHz
      • MIMO Configuration: 2×2 (2-stream)
      • Wi-Fi Features: MU-MIMO, TxBF, Wi-Fi SON
    • Bluetooth 5.0
    • 5-port Ethernet
  • Audio
    • Technology – Qualcomm Aqstic audio technology, Meeami Tech Clear Voice multi-microphone technology
    • Voice Services Support – Amazon Alexa Voice Service
    • Audio Interfaces – 2x TDM I²S, PCM, S/PDIF
    • Digital Microphone Input – Up to 6 digital mics, 6 digital mics
  • Security
    • Features – Qualcomm Trusted Execution Environment, Crypto Engine, Secure Boot
    • Wi-Fi Security – 802.11i security, AES-CCMP, AES-GCMP, PRNG, TKIP, WAPI, WEP, WPA, WPA2, WPS
  • USB – USB 2.0, USB 3.0
  • Expansion – I²C, PCIe 2.0, SPI, UART, GPIO
  • Package – BGA; 18 x 18 mm
Qualcomm Mesh Networking Devkit-for-Amazon AVS Block Diagram
Click to Enlarge

The development kit is comprised of a main board with the processor, memory, storage, WiFi and Ethernet connectivity, as well as an audio board connected over SPI with a 6-mic array.  The kit runs OpenWrt and supports Amazon Alexa Voice Service.

You’ll find a few more details on the product page, as well as a “purchase” link. However, for whatever reason, you can’t simply buy Qualcomm Mesh Networking DevKit online, and the purchase button simply redirects you to a form to fill out your contact details, as well as more information about your project including yearly volume, budget and expected time to market. That clearly means the kit is only available for commercial projects with sufficient volume.

Via Electronic Products

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