Dongle-E can act as a Zigbee 3.0 gateway in an open source automation platform to manage different sub-devices of different brands or flash router firmware to extend network range. | Pre-flashed Z-Stack 3.x, 0 coordinator firmware, can use ZHA in Home Assistant or use Zigbee2MQTT,based on TI EFR32MG21 + CH9102F,+20dBm output gain. | USB zigbee dongle with SMA interface for external antenna, aluminum casing effectively reduces signal interference from peripheral devices, and optional 1.5m USB extension cable provides better signal range. | The zigbee dongle home assistant supports various sub-devices or router firmware of different brands to extend the network range. For example, BASICZBR3, S31 Lite, SNZB01, SNZB02, SNZB03, SNZB04, ZBMINI, S26R2ZB,ect. | The zigbee gateway home assistant official firmware supports 21 sub-devices by default, and supports up to 40 sub-devices. You can change the relevant configuration to support up to 100 sub-devices.