Sonoff Zigbee Bridge Ultra

Product Introduction

The Sonoff Zigbee Bridge Ultra is a high-performance Zigbee smart home hub designed to connect and manage large Zigbee device networks within a unified automation system. Acting as the central gateway for Zigbee devices, it allows sensors, switches, plugs, and other smart devices to communicate seamlessly through the eWeLink smart home platform.

With support for up to 256 Zigbee sub-devices, the Bridge Ultra significantly expands smart home scalability compared to previous Sonoff hubs. It also functions as a Matter bridge, allowing connected Zigbee devices to integrate with major smart home ecosystems such as Apple Home, Google Home, Amazon Alexa, and Samsung SmartThings.

Built with powerful hardware including a 1.5 GHz dual-core processor, 1 GB DDR4 memory, and 8 GB storage, the Bridge Ultra delivers fast automation processing, reliable connectivity, and advanced smart home management.

Key Features

Supports Up to 256 Zigbee Devices

Manage large smart home ecosystems with support for up to 256 Zigbee devices, including sensors, smart switches, plugs, and presence detectors.

Matter Bridge Compatibility

Convert Zigbee devices into Matter-compatible devices for integration with multiple smart home platforms.

Dual Network Connectivity

Supports both Wi-Fi and wired Ethernet (RJ45) connections, offering improved reliability and network stability.

Extended Zigbee Coverage

Turbo Mode can extend Zigbee communication range up to 200 meters in open environments for wider smart home coverage.

Powerful Hardware Performance

Equipped with a 1.5 GHz dual-core processor, 1 GB RAM, and 8 GB storage to handle large automation systems smoothly.

Smart Security & Alarm Function

The hub can function as part of a home security system, triggering alerts or alarms based on automation scenes or sensor events.

OTA Device Updates

Supports firmware updates for connected Zigbee devices to maintain compatibility and security.

Smart Home Integration

The Sonoff Zigbee Bridge Ultra integrates with the eWeLink ecosystem, enabling centralized management of Zigbee devices from a smartphone.

Through Matter bridging, the hub can also connect with:

• Amazon Alexa
• Google Home
• Apple Home
• Samsung SmartThings

This allows Zigbee sensors and switches to trigger cross-platform automation routines across different smart home ecosystems.

Technical Specifications

Product Type: Zigbee Smart Home Hub / Gateway
Model: ZBBridge-U
Connectivity: Zigbee 3.0, Wi-Fi 2.4 GHz, Ethernet (RJ45)
Supported Devices: Up to 256 Zigbee sub-devices
Processor: 1.5 GHz dual-core CPU
Memory: 1 GB DDR4
Storage: 8 GB eMMC
Wireless Chip: EFR32MG21 Zigbee module
Communication Range: Up to 200 m (Turbo Mode)
Power Input: 5 V / 1 A via USB-C
Material: PC + ABS housing
Dimensions: 82 × 82 × 28 mm
Operating Temperature: −10 °C to 40 °C

What’s in the Box

Sonoff Zigbee Bridge Ultra Hub
Ethernet network cable
USB-C power cable
Quick start guide