Nabu Casa - Home Assistant Connect Zigbee USB Adapter ZBT-2

Home Assistant Connect ZBT-2 - The Easiest Way to Get Started with Zigbee and Thread

The Home Assistant Connect ZBT-2 is the perfect plug-and-play solution for integrating Zigbee, Thread, or Matter devices into your smart home. Equipped with a new-generation MG24 chip and an optimized antenna, it offers exceptional stability and performance—four times faster than the first generation. Built on the second-generation Connect platform by Nabu Casa, it's powerful, customizable, and easy to configure.

Key Features

• Optimized high-gain antenna for strong Zigbee and Thread connections
• Up to 4× faster performance than the first generation
• Powered by the latest MG24 chip for enhanced stability
• Supports Zigbee 3.0, Thread, and Matter (via Home Assistant)
• Quick network migration with Home Assistant tools
• Compatible with ZHA, Zigbee2MQTT, and Thread Border Router
• Second-generation Connect open platform – more powerful and customizable
• Minimalist and modern design with durable build
• Simple USB-C power and configuration

Technical Specifications – NC-ZBT-9741

• Brand: Home Assistant / Nabu Casa
• Chip: Silicon Labs MG24 (EFR32MG24), ESP32-S3 (USB-serial bridge)
• Protocols Supported: Zigbee 3.0, Thread
• Compatible Software: ZHA, Zigbee2MQTT, Thread Border Router
• Power Supply: USB-C, 5V DC, 500 mA
• Transmit Power: 10 dBm (EU), 8 dBm (others)
• Frequency: 2400 – 2483.5 MHz
• Antenna Gain: 4.16 dBi
• Antenna Type: Omnidirectional
• Antenna Size: Diameter 24 mm, Height 164 mm
• Case Size: 83 × 83 × 179 mm
• Weight: 157 g (350 g with packaging)
• Material: Polycarbonate plastic
• Color: White and semi-transparent
• Certifications: CE, FCC, RCM
• Operating Temp: 0°C to 65°C (antenna -40°C to +85°C)
• Usage: Indoor only

Compatibility

• Home Assistant
• Zigbee 3.0
• Thread
• Matter (via Home Assistant)