Silicon Labs Mini EFR32MG21 USB Dongle Ch Module Universal Open Source Hub Gateway ZHA NCP Home istant OpenHAB

Descrtion:

If the device is following Zigbee standards it is poible it will work with other gateway solutions, it is just not confirmed as working yet!

It comes pre-flashed with an unsigned EmberZNet 6.7.9 Zigbee NCP application firmware with Silabs standard EZSP v8 (EmberZNet Serial Protocol version 8) interface enabled as well as the standard Silabs Gecko Bootloader firmware for recovery, meaning it can be used either as-is out-of-the-box or flashed with custom application firmware via USB.

Hardware is at its core based onSilicon Labs EFR32MG21 Series 2 Multrotocol Wirele SoC(part numberEFR32MG21A020F768IM32) and aWCH CH340E USB to Serial/UART Bridge Controller. While it only has a circuit board the radio has an integrated 20 dBm Power Amplifier (output power) and -104.5 dBm Receive Sensitivity which should be made for a very good Zigbee coordinator or Zigbee router if both hardware and firmware were properly implemented.

TheElelabs EZSP Firmware Upgrade Utility(https://github.com/Elelabs/elelabs-zigbee-ezsp-utility/) orwalthowd firmware update Docker image(https://github.com/walthowd/husbzb-firmware) can be used to flash the firmware to a newer or older version. New and old firmware official images are currently being provided at github (https://github.com/xsp1989/zigbeeFirmware/tree/master/firmware/Zigbee3.0_Dongle)

Specifications:

1、Pre-flashed with EZSP v8 (EmberZNet Serial Protocol version 8)

2、Can use ZHA in Home Aistant or Zigbee2MQTT (pre-alpha)

3、Base on EFR32MG21 CH340E

4、 20dBm output gain，

5、Plastic Shell

6、Support OTA Via Uart (Pre the BOOT on,then pre and release the nRST on, finally release the BOOT on)

7、Baud rate ：115200

Package Included:

1*ZigBee3.0 Universal Gateway USB Dongle

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