T4AZ-Q4020: Alexa Voice Service for AiS IoT Core devices | Tantiv4

T4-AZ-Q-4020 Product Development Kit

T4AZ- Q4020 for Alexa Voice Service for AiS IoT Core connected devices

Amazon T4-AZ-Q-4020
Rated 4.5/5 based on 26 customer reviews

The T4-AZ-Q4020 Development Kit is designed for creating Smart Voice products that work with the Amazon IoT eco-system. Tantiv4 is providing a complete hardware and software development kit supporting Alexa Voice Service for AiS IoT Core connected devices. This kit is intended for device manufacturers and developers to prototype their products with complete functionality before hitting mass production.

The solution is based on Aquila ASV1108 Hardware coupled with Tantiv4 software supporting several IoT reference solutions which will be available from our download store.

Buy 1 for $149.99 1 Hr Tech Support - $150 Buy Software Download Base SW

The T4-AZ-Q4020 kit is designed to provide interoperability among diverse IoT devices including most popular wireless standards, protocols, communication frameworks, and ease connectivity to Alexa Voice Service for AiS IoT Core connected devices. This kit is further integrated with Conexant’s CX20921 speech input processor supporting their voice features such as Wake-on-Voice (WoV), full duplex Acoustic echo Cancellation (AEC) and far-field noise suppression.

Development Board Highlights

  • Multiple extension ports, speaker Interface, head-phone jack
  • Support for Analog and Digital Mic
  • Supports Mute and Wake up Button functionality
  • High Quality Voice Speaker
  • 6-Sensor Island
  • Adruino Connector
  • Key Matrix
  • PIR sensor, LEDs
  • FTDI Based JTAG
  • USB 2.0 Interface for RF testing, manufacturing

T4-AZ-Q4020 AiS Targeted Applications

  • Support for Smart TV
  • Support for Set-Top Box
  • Enables Voice Control for commonly used devices
  • Appliances
  • Home Control
  • Home Entertainment/Toys


  • Qualcomm® QCA4020 tri-mode SoC with integrated Bluetooth 5, dual-band Wi-Fi, and 802.15.4 technologies
  • Conexant CX20921 Voice processor with far field noise processing and Wake on voice support
  • On-board FTDI2232 IC for 4-wire JTAG debugging
  • Various commercial and free IDE options for JTAG debugging and software development
  • Arduino connector to extend kit and add shields
  • Open schematics and layout files
  • Eclipse based IDE for single-step JTAG debugging
  • UART-AT commands to connect T4-G-Q-4020 to MCU/CPU
  • Eight sensors and actuators on-board:
  • Ambient light luminosity
  • 3D accelerometer
  • 3D gyroscope/rotation
  • 3D magnetic field
  • Temperature
  • Humidity
  • Pressure
  • PIR sensor
  • Out-of-box drivers for sensors in demo applications
  • Miscellaneous headers, test-points for power measurement, direct connect to battery, boot-configuration, and other measurements

T4-A-Q-4020 Module Block Diagram

Module Block Diagram

T4-A-Q-4020 Module Specifications

Module Size

28.57 x 33.5 mm 124-pin


Integrated WLAN PA and LNA with 17dBm Pout and dedicated WLAN antenna

Bluetooth LE & 802.15.4 Tx

Shared PA between 15.4 and Bluetooth LE for transmit 17 dBm Pout for 15.4 and 7 dBm Pout for Bluetooth LE

Bluetooth LE & 802.15.4 Rx

Concurrent 15.4 and Bluetooth LE Rx Shared antenna between 15.4 and Bluetooth LE


3.3V supply voltage

Application I/O

SPI master/slave, 8-channel PWM, SDIO master/slave, HSUART, I2C, 12-bit/8-channel 1-MSPS ADC, 4-wire JTAG debugging Extra GPIOs for application-specific use


SDIO/SPI/UART interfaces to connect to external MCU/CPU interface


USB interface for RF testing, factory automation

Development Kit Contents

  • Qualcomm® QCA4020 Development Board
  • Smart Voice Board
  • 2x Micro USB cables (for host PC and power supply)
  • 1x Speaker
  • 1x Power adapter
  • Quick Start Guide

Ordering Information


Part Number: T4-AZ-Q-4020 Product Development Kit

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