SONOFF Zigbee 3.0 USB Dongle Plus | ZBDongle-E The SONOFF ZBDongle-E is equipped with the pre-installed EZNet 6.10.3 firmware and is ready for immediate use. It is fully compatible with smart home platforms such as Home Assistant, openHAB and Zigbee2MQTT and offers flexible integration options. Thanks to the reliable EFR32MG21 chipset, it ensures stable Zigbee network coordination. With an output gain of +20 dBm, the dongle offers improved signal strength and range, while its shielded aluminium housing minimizes electromagnetic interference, ensuring the signal integrity of your smart devices. Pre-installed for immediate use Ready for immediate use with Zigbee coordinator firmware based on EZNet 6.10.3. Extensive platform compatibility Supports popular smart home platforms including Home Assistant, openHAB, Zigbee2MQTT and more. Powered by EFR32MG21 Based on the EFR32MG21 chipset, provides reliable performance for Zigbee network coordination. +20 dBm output gain Delivers high transmission strength with +20 dBm output gain for improved coverage and stability. Shielded aluminum housing The aluminum housing minimizes electromagnetic interference from surrounding devices, ensuring signal integrity.