Notice: The current batch of Connect ZBT-1 devices is not affected by the previous voltage regulator issue. All units are fully functional and verified to be issue-free! Only older batch 232401 (noted on the ZBT-1 box) used the faulty voltage regulators. The Home Assistant Connect ZBT-1 (formerly known as SkyConnect) is designed to be a perfect match for Home Assistant Users. The device provides an easy connection with Zigbee or Thread. The device is an EFR32 Series 2 (Silicon Labs EZSP v8) adapter that will transmit at a power of +20 dBm. The drive supports full-speed USB 2.0 when plugged into the included USB extender. Home Assistant Connect ZBT-1 can also be used to turn your Home Assistant installation into a Thread border router. The first time that you connect your ZBT-1 to your HA Hub you will be prompted to select either Zigbee or Thread. If you want to install a different firmware please follow these instructions. The USB Stick is Plug and Play, tightly integrated with the Zigbee Home Automation integration allowing for a beginner-friendly experience. FEATURES 2.4GHz Multi-Protocol USB Transceiver Zigbee 3.0; Thread (Matter) USB v2.0 full-speed TX power up to +20dBm Silabs EFR32MG21 Wireless SoC Over-The-Wire (OTW) update support Dual-Protocol operation (Deprecated, not recommended) Made for Home Assistant, adaptable for any case Futureproof Wireless Transceiver Low-risk bundle device for Gateway INCLUDES Connect ZBT-1 USB Device USB Extension Cable (50cm/19.6in.) SPECIFICATIONS Support for Zigbee 3.0; Thread Over-the-wire (OTW) firmware updates USB v2.0 full-speed Supply : 5V DC / up to 150mA USB: v2.0 full speed (12Mbps) Bridge: USB to UART, Silabs CP2102N Transceiver: Silabs EFR32MG21 Frequency: 2.4GHz Antenna: PCB TX Power : up to +20dBm RX sensitivity : -104dBm (250kbps) Protocols: Zigbee 3.0; Thread Stack: EmberZNet Serial Protocol (EZSP) Dimensions (LxWxH) : approx. 38.5 x 18 x 4,5mm Weight: 4g LINKS EU CE Declaration of Conformity: https://skyconnect.home-assistant.io/resources/SkyConnect_DoC_EU_CE.pdf