The Meross Smart Wi-Fi Hub (MSH300) is a compact and efficient central gateway designed to bridge your low-power Meross smart devices with your home network. Utilizing a power-efficient 433MHz RF frequency, the hub establishes a reliable, long-range connection with your smart sensors and hardware, ensuring seamless home automation without overcrowding your standard Wi-Fi bands.
Despite its incredibly small footprint, this hub acts as the brain for your localized smart ecosystem. It enables broad compatibility across major platforms, including Apple HomeKit, Amazon Alexa, Google Assistant, and the native Meross app. For enhanced reliability, newer hardware revisions support localized automations—meaning critical safety alerts like smoke or water leak alarms can still trigger locally even if your external internet connection goes offline.
Setting up the MSH300 is simple: just plug it into a standard 5V/1A USB power source, connect it to your 2.4GHz Wi-Fi network via the Meross app, and begin pairing your compatible accessories. It is the essential foundation for expanding into Meross climate management, environmental tracking, and home security.
| Product Type | Smart Home Gateway / Hub |
| Brand | Meross |
| Model | MSH300 |
| Wireless Standards | IEEE 802.11 b/g/n, 2.4GHz (Does not support 5GHz) |
| Sub-Device Protocol | 433MHz RF (Radio Frequency) |
| Device Capacity | Supports up to 16 sub-devices simultaneously |
| Ecosystem Compatibility | Apple HomeKit, Amazon Alexa, Google Assistant, SmartThings, Meross App |
| Compatible Sub-Devices | Smart Radiator Thermostat Valves (MTS series), Smoke Alarms, Temperature/Humidity Sensors, Water Leak Detectors |
| Power Input | 5V / 1A via Micro-USB or Integrated Plug (Variant Dependent) |
| System Requirements | Smartphone running iOS 13.0 or higher / Android 6.0 or higher |
| Dimensions | Approx. 58 × 41 × 21 mm (Excluding plug pins) |
| Special Features | Low-power RF connection, Offline local automation support, Ultra-compact design, Apple HomeKit certified |
| Warranty | 1 Year Warranty Provided by 101 Multimedia |
| Works with | Apple HomeKit |
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