Gateway Meross MSH450MA dual band Wi-Fi 2.4 GHz / 5 GHz, EU

Meross MSH450MA WiFi Gateway PBX (Matter) is a compact hub that connects up to 32 Meross devices over Wi‑Fi and enables unified control from a single app. It supports the Matter protocol for cross‑platform interoperability and includes a built‑in 110 dB alarm for local alerting. The gateway provides wired Ethernet and 2.4 GHz wireless connectivity, low power consumption, history logging and a durable, compact design measuring 76 x 76 x 26 mm.

Advantages

The gateway ensures local operation for uninterrupted alarm service during network outages and supports multiple smart ecosystems including Apple HomeKit, Amazon Alexa and Google Home. Matter support simplifies integration of different devices while the built‑in alarm notifies occupants of potential dangers. Low power usage and activity history logging offer energy efficiency and operational transparency. The device is made from scratch‑resistant materials and has a compact form factor for flexible placement.

Key specifications

• Manufacturer: Meross
• Manufacturer code: MSH450MA-EU
• Compatible devices: MIS100F, MS200, MS400, MTS150, MTS150P, GS559A, MA151, MS130 (list expanding)
• Maximum connected devices: up to 32 Meross devices
• Input power: 5 V ⎓ 1 A (minimum 500 mA)
• Dimensions: 76 x 76 x 26 mm
• LEDs: 1
• Buttons: 1 power button (press twice within 2 s for pairing; hold 5 s to reset)
• Antennas: built‑in Wi‑Fi antenna
• Wireless standards: IEEE 802.11 b/g/n 2.4 GHz; 433 MHz RF
• Wireless security: 64/128‑bit WEP, WPA‑PSK/WPA2‑PSK (no Enterprise Wi‑Fi)
• Certifications: CE, WEEE, FCC, IC
• System requirements: iOS 16.1+ or Android 8.1+ (Wi‑Fi network required)
• Operating temperature: 0°C to 40°C
• Storage temperature: -40°C to 70°C
• Operating humidity: 10% to 90% non‑condensing
• Storage humidity: 5% to 90% non‑condensing

How to use

Connect the supplied power supply and optionally use the Ethernet cable for a wired router connection or set up over 2.4 GHz Wi‑Fi. Use the power button to enter pairing mode (press twice within 2 seconds) and follow the Meross app instructions to add the gateway and pair Meross devices. Configure automations, schedules and alarm settings in the app; review activity history for events and device status. To restore factory settings, hold the power button for 5 seconds.

Recommendations

Place the gateway in a central indoor location with good Wi‑Fi coverage or connect it via Ethernet for maximum stability. Ensure your smartphone meets the system requirements and keep device firmware and app updated. Use 2.4 GHz Wi‑Fi networks and avoid Enterprise Wi‑Fi configurations for compatibility.