Home Assistant Connect ZBT-2 Zigbee 3.0 Thread USB Adapter EFR32MG24 ESP32-S3

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Article description:

The easiest way to start with Zigbee & Thread

The new Home Assistant Connect ZBT-2 makes getting started with Zigbee or Thread easier than ever before. Thanks to its precisely tuned antenna and the latest MG24-generation chipset, it delivers outstanding wireless performance and exceptional stability.

Built on the open second-generation Connect platform, the ZBT-2 is more powerful, more versatile, and even better integrated into your home.

Setup and migration take only a few minutes – giving you the full power of Home Assistant, completely local and cloud-free, with maximum control.

The Connect ZBT-2 links a wide range of devices from the worlds of Zigbee, Thread, and Matter directly to Home Assistant – no additional hub required.

Fully open, upgradeable, and designed for tinkerers and professionals alike, it’s the perfect choice for anyone who wants flexibility and reliability in one device.

Features & Benefits:

📡 Optimized Antenna: Provides the best possible connection to Zigbee or Thread devices, even over longer distances.

⚡ More Responsive: Up to 4× faster response times compared to the first generation.

🚀 Pure Performance: The new MG24 chip ensures maximum stability and performance in everyday use.

🆕 Open Platform: Second-generation Connect design – more open, powerful, and seamlessly blends into your home.

🛠️ Built to Be Tinkered With: Fully open design with no clips or glue, accessible pads and pins for advanced users.

🔌 Plug and Play: Easily migrate existing Zigbee or Thread networks using Home Assistant’s built-in setup wizard.

🌐 Choose Your Network: Start a new Zigbee or Thread network within minutes.

🏠 Cut Smart Home Hub Clutter: Replace multiple hubs by directly connecting Zigbee, Matter, and Thread devices to Home Assistant.

🌎 A World of Devices: Compatible with proven Zigbee products and the latest Matter-enabled devices.

💪 All the Power of Home Assistant: Supports ZHA, Zigbee2MQTT, and OpenThread Border Router for maximum flexibility.

✅ Reliable to the Core: Built by the team driving forward Home Assistant development with regular OTA updates.

📦 In the Box: Antenna, base, 1.5 m (4.9 ft) USB cable (USB 2.0/3.0), and Quick Start Guide.

Technical data:

Product:

Model Number: NC-ZBT-9741

Compliance: CE, FCC, RCM

FCC ID: 2A8ZE04

Origin: Made in China

Product Details

SoCs: Silicon Labs MG24, ESP32-S3 (USB serial bridge)

Power and Data: USB-C, 5 V DC, 500 mA

Supported Protocols: Zigbee 3.0, Thread

Antenna Characteristics

Note: Different building materials and placement of the unit may affect wireless range.

Frequency Range: 2400 – 2483.5 MHz

Peak Gain: 4.16 dBi

Transmit Power: 10 dBm (EU), 8 dBm (rest of world)

Radiation Pattern: Omnidirectional

Antenna Dimensions: 24 mm diameter, 164 mm height

Device Characteristics

Dimensions and Weight: 83 × 83 × 179 mm, 157 g | Packaged: 227 × 168 × 42 mm, 350 g

Enclosure Material: Polycarbonate plastic

Colors: White and semi-transparent

Environmental Conditions

Usage Area: Indoor use only

Operating Temperature: 0 °C to +65 °C (antenna –40 °C to +85 °C) / 32 °F to 149 °F

Humidity: Non-condensing

Recommendation: Keep in a dry, dust-free environment and avoid direct sunlight or heat sources to prevent overheating.