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Ehong development kit with QCA4020
For Alexa Voice Service and AWS IoT core
With this development kit, EH-MEVK-AVS, device manufacturers can quickly develop useful voice-controlled smart home products that are designed to be interoperable across multiple technologies
It is qualified by Amazon for Amazon AVS and leverages AWS IoT core for device connectivity and management.
Multi-mode intelligent connectivity

Integrated Bluetooth 5, Qualcomm® Bluetooth Mesh connectivity, low power Wi-Fi 802.11n in 2.4GHz/5GHz bands, and 802.15.4, with support for ZigBee3.0 and Thread via OpenThread.
Interoperability for IoT devices

Includes support for most popular wireless standards, protocols, communication frameworks, and cloud services.
Voice capabilities

Helps manufactures and developers to quickly integrate, evaluate, and test connectivity and Amazon AVS voice capability with a variety of IoT devices.
Hardware-based security features

Includes hardware-based security features and functions integrated in a single IC to enhance device protection.
EH-WL501 Quacomm 4020 based module

Individual EH-WL501 module is ready for customer to integrated on the host hoard.
Ehong provide technical support for the kits

Provide Startup guide for the kits
And EH-WL501 Module Product Specification
R&D team provide technical support and solution consulting.
■ Dual-Band IEEE 802.11 a/b/g/n, single stream 1x1 ■ BLE 5.0 ■ ZigBee 15.4 ■ Green Tx power saving mode ■ Low -power listen mode ■ Four-layer PCB design ■ Rich set of GPIO(s) and interfaces: I2C, HSUART, UART, SPI, QSPI, SDIO 2.0, I2S, JTAG, Sensor ADC (up to 8 channels, 12bit, 1Msps).
Up to 8 PWM optimized for LED lighting applications. ■ Secured boot and support for application-level AES encryption and image authentication hash function (SHA256) ■ Advancement power management scheme to minimize power dissipation for each use case
WL501 manufacturing interface USB 2.0 interface with integrated controller and PHY for manufacturing test and configuration WL501 host interfaces ■ UART host interface to a remote microcontroller with an AT style command set

EH-MEVK-AVS Specifications

CPU                  CPU Clock Speed: Up to 128 MHz

                         CPU Cores: Arm Cortex-M4F CPU

Wi-Fi                Wi-Fi Standards: 802.11a/b/g, 802.11n

                         Wi-Fi Spectral Bands: 2.4 GHz, 5 GHz

                         MIMO Configuration: 1x1 (1-stream)

Bluetooth        Bluetooth Version: Bluetooth 5.0

                         Bluetooth Technology: Qualcomm® Bluetooth                             mesh, Bluetooth Low Energy

802.15.4           LR-WPAN Protocol: Thread, Zigbee

USB                   USB Version: USB 2.0

WL501 module features

Security Support            Security Features: A pplication Level Security, Hardware-based                                                Crypto Engine, Key Provisioning Security, Qualcomm® Trusted                                                Execution Environment, Secure Boot, Secure Storage, Software                                                Image Encryption, True Random Number Generator


                                         Wi-Fi Security: WPS

Interface                          Supported Interfaces: I²S, PWM, ADC, SPI/Q                                                                               SPI, I²C, GPIO, SDIO, SPI, UART

Development Kit             QCA4020 Development Board, Smart Voice Board

                                          Power Adapters: 1x Power Adapter

                                          Speakers: 1x Speaker

                                          Cable: 2x Micro USB cables (for host PC and power supply)

                                          Guide: User Guide

Document Download(1)

Document Download(1)


Ehong QCA4020 module WL501 production specification.pdf
Ehong WL501 product summery.pdf
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