Sonoff Bridge Max – Wi‑Fi + Ethernet eWeLink cloud hub, Zigbee gateway, Matter bridge (Bridge-M)

The SONOFF Bridge Max (Bridge-M) is a multi-protocol Zigbee 3.0 gateway and Matter Bridge with Wi-Fi, Ethernet, BTHome, and eWeLink-Remote support. It can be used for centralized management of Zigbee devices, exposing different device types to Matter platforms, and creating a local security system.

The Bridge-M is the next-generation model of the SONOFF Zigbee Bridge Pro (ZBBridge-P). Compared to its predecessor, it adds Matter Bridge functionality, a local web interface, MQTT-based Home Assistant integration, an RJ45 Ethernet port, and dual-band 2.4 and 5 GHz Wi-Fi 6 support. The built-in 90 dB siren and Zigbee-based local security functions remain available, while the manufacturer recommends using up to 128 Zigbee devices for stable operation.

In addition to directly paired Zigbee devices, the Matter Bridge function can expose BTHome sensors, eWeLink-Remote controllers, supported devices linked to the eWeLink account, and Home Assistant entities to Apple Home, Google Home, Amazon Alexa, SmartThings, and other Matter-compatible systems. The Bridge-M is a Matter Bridge and does not provide standalone Matter Controller functionality, so a separate Matter Controller is required in the target system.

The local web interface can be accessed over the LAN without using cloud services. It is primarily intended for adding devices and configuring the Matter Bridge and does not include direct device control. The network connection can be established through RJ45 Ethernet or 2.4 and 5 GHz Wi-Fi.

About SONOFF

SONOFF manufactures smart home devices, relay modules, energy meters, wall switches, Zigbee sensors, control panels, gateways, and various electrical installation accessories. Its product range includes devices using Wi-Fi, Zigbee, Matter, and LAN communication.

SONOFF devices are primarily built around the eWeLink platform, but many products can also be integrated with Home Assistant, Zigbee2MQTT, ZHA, SmartThings, Alexa, Google Home, and other smart home systems. In addition to residential smart home solutions, the manufacturer also offers DIN rail-mounted devices, energy monitoring solutions, and products suitable for professional installations.

Key Product Features

• Next generation of the ZBBridge-P: Adds Matter Bridge functionality, a local web interface, MQTT-based Home Assistant integration, Ethernet connectivity, and dual-band Wi-Fi 6 support while retaining Zigbee gateway and local security system functionality.
• Matter Bridge: Can expose Zigbee, BTHome, eWeLink-Remote, eWeLink account devices, and Home Assistant entities to supported Matter platforms.
• Zigbee 3.0 gateway: Controls Zigbee sensors, switches, relays, plugs, and other devices from SONOFF and supported third-party manufacturers.
• Local web interface: Matter Bridge settings and device addition can be managed through a web browser on the local network.
• Home Assistant integration: The Bridge-M can expose its Zigbee sub-devices to Home Assistant via MQTT and can bridge Home Assistant entities to Matter platforms.
• BTHome support: Detects compatible Bluetooth Low Energy BTHome devices and can expose them through the Matter Bridge.
• eWeLink-Remote support: SONOFF S-MATE and R5 eWeLink-Remote devices can be added and integrated into Matter platforms.
• Wired and wireless networking: Supports RJ45 Ethernet as well as 2.4 and 5 GHz Wi-Fi.
• Local security system: Works with Zigbee door/window, motion, and other alarm sensors, and can trigger local alarms using the built-in 90 dB siren.
• Zigbee Turbo Mode: The Zigbee radio can operate at increased transmission power to improve communication coverage.
• ZBBridge-P migration: Zigbee devices, scenes, and security settings from the previous model can be migrated to the Bridge-M without re-pairing.

Smart Home Protocols and Platform Compatibility

• Zigbee 3.0: Operates as an IEEE 802.15.4-based coordinator for Zigbee sub-devices and can be used to create local Zigbee automations.
• Matter Bridge: Exposes supported functions of added non-Matter devices to the target platform as standardized Matter device types.
• Matter Controller required: To use the Bridge-M Matter Bridge function, a compatible Matter Controller such as Apple Home, Google Home, Amazon Alexa, SmartThings, Home Assistant, or another Matter Controller is required on the same local network.
• BTHome: Used to discover Bluetooth Low Energy-based BTHome sensors and forward their data.
• eWeLink-Remote: Supports Bluetooth-based eWeLink-Remote sub-devices such as SONOFF S-MATE and R5 controllers.
• Wi-Fi: Supports IEEE 802.11a/b/g/n/ac/ax on 2.4 and 5 GHz networks.
• Ethernet: 10/100 Mbps RJ45 network connection.
• eWeLink: The app can manage Zigbee sub-devices, security modes, scenes, Matter Bridge connections, notifications, and gateway settings.
• Apple Home: Supported devices can be exposed to Apple Home through the Matter Bridge.
• Google Home: Supported functions of bridged devices can be controlled in Google Home.
• Amazon Alexa: Voice control and automation of supported devices are available through the Matter Bridge or eWeLink account linking.
• Samsung SmartThings: The Bridge-M can be added to SmartThings as a Matter Bridge.
• Home Assistant: Can expose Zigbee sub-devices to Home Assistant via MQTT and bridge Home Assistant entities to Matter platforms.
• MQTT: The Bridge-M can expose supported entities of managed Zigbee devices to Home Assistant over MQTT.
• IFTTT: Can be connected to supported automations through an eWeLink account.
• Local web interface: Accessible on the local network at bridgem.local or via the gateway's IP address.

Smart Features

• Zigbee device pairing: New Zigbee sub-devices can be added through the local web interface or the eWeLink app.
• Matter Bridge: Compatible Zigbee devices paired with the Bridge-M, supported devices linked to the eWeLink account, eWeLink-Remote controllers, BTHome sensors, and Home Assistant entities can be exposed to Matter platforms.
• Matter pairing: The Bridge-M can be added to compatible Matter platforms using a QR code or numerical pairing code.
• Multiple Matter platforms: Connected Matter systems can be viewed, and synchronization of bridged devices can be initiated.
• Scene synchronization: Supported scenes created in the eWeLink app can be exposed to Matter platforms. The local web interface does not support scene transfer.
• Matter feature limitations: Available control and measurement functions on the target platform depend on the device type, Bridge-M compatibility, and Matter platform support.
• Local Matter Bridge setup: Devices can be added to the Matter Bridge from a local web browser without cloud services or a mobile app.
• Protected local web access: A separate interface password must be created during the first login.
• Web password reset: Pressing the device button twice resets the local web interface login password.
• Home, Away, and Sleep security modes: Separate home, away, and sleep alarm profiles can be configured.
• Arming delay: A delay can be configured before the selected security mode becomes active.
• Alarm delay: The time between a detection event and alarm activation can be configured.
• Alarm sensor selection: The Zigbee sensors allowed to trigger alarms can be selected separately for each security mode.
• 90 dB audible alarm: The built-in siren can be used for local alarms and as an automation action.
• Mobile notifications: The eWeLink app can send push notifications for security events.
• Security log: Security system state changes and events can be viewed for up to three months.
• Security automations: Arming, disarming, alarm activation, and alarm clearing can be used as scene conditions.
• Automatic actions: Scenes can activate Home, Away, or Sleep mode, disarm the system, trigger the siren, or mute it.
• Device sharing: Bridge-M control can be shared with other eWeLink accounts.
• Offline notification: A mobile notification can be sent if the gateway remains unavailable for five minutes.
• Zigbee channel scan: The gateway can scan the Zigbee radio environment and be moved to another Zigbee channel.
• Zigbee channel change: Changing the channel temporarily interrupts Zigbee devices, scenes, and security functions.
• Turbo Mode: The Zigbee radio can operate at increased transmission power.
• Network indicator light: The status LED can be turned on or off from the eWeLink app.
• Remote restart: The Bridge-M can be restarted from the eWeLink app.
• ZBBridge-P migration: Zigbee devices, scenes, and security settings from the previous gateway can be transferred to the Bridge-M.
• Firmware update: Bridge-M firmware can be updated through the eWeLink system.

Local Web Interface

• Access: Available over Ethernet or Wi-Fi at bridgem.local or the IP address assigned by the router.
• Primary function: The web interface is intended for adding devices, configuring the Matter Bridge, and synchronizing with platforms.
• Direct control: The web interface does not include direct switching or device control. Bridged devices can be controlled from the eWeLink app or the connected Matter platform.
• Without an eWeLink account: Basic local Matter Bridge functions can be used without cloud services.
• Adding eWeLink devices: Logging in is required to synchronize devices linked to an eWeLink account.
• Parallel use: The local web interface and the eWeLink app can be used together with the same Bridge-M device.

Technical Specifications

• Model: Bridge-M
• Product series: Bridge Series
• Product name: Smart Home Bridge
• MCU: SigmaStar SSD2351Q and EFR32MG21
• Input: 5 V DC, 1 A
• Power connector: USB Type-C
• Power supply: Requires a 5 V DC USB power adapter with at least 1 A output
• Wi-Fi: IEEE 802.11a/b/g/n/ac/ax, 2.4 and 5 GHz
• Zigbee: IEEE 802.15.4
• Network connector: RJ45, 10/100 Mbps
• Built-in siren: Up to 90 dB
• Net weight: 83.4 g
• Dimensions: 82 × 82 × 28 mm
• Colour: White
• Housing material: PC and ABS
• Installation environment: Indoor
• Operating temperature: -10 °C to +40 °C
• Operating humidity: 5–95% RH, non-condensing
• Maximum operating altitude: Below 5000 m
• FCC ID: 2APN5-BRIDGEM
• Compliance standard: EN 62368-1
• Certifications: CE, FCC, RoHS

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