Meross · Mainstream cloud hubs

Smart Wi-Fi Hub MSH300

proprietary · Wi-Fi · HomeKit · no local API · about $20

cloud requiredcloud required

Protocols

proprietaryWi-FiHomeKit
1 W
Idle power
$20
List price
~16
Devices (est.)

Specifications

CategoryMainstream cloud hubs
Protocolsproprietary, Wi-Fi, HomeKit
Cloud dependencycloud required
Local APIno local API
Voice assistantsAlexa, Google, Siri (HomeKit)
Open sourceclosed-source
Directly supported devices (est.)~16
Idle power draw~1 W
Update outlookactively maintained
List price (Amazon.com, Q2/2026)about $20
Best for: Budget under $80Best for: Apple ecosystem

Setup & gotchas

🍎 Buy the HK model if you want Apple Home support, since not every regional SKU is HomeKit certified.

Editorial take

Our hands-on read — the specs above are the sourced facts.

Strengths

  • + Bridges low-power Meross sensors and thermostat valves over 433 MHz
  • + HomeKit-compatible variant works with Siri and Apple Home
  • + Very inexpensive and compact

Trade-offs

  • Works only with Meross accessories
  • Cloud-required through the Meross app
  • Supports roughly 16 devices per hub

Frequently asked questions

Does the Smart Wi-Fi Hub MSH300 require the cloud?
Yes. The Smart Wi-Fi Hub MSH300 is cloud-required — a vendor account and an internet connection are needed, and routines run through the vendor cloud (no local API).
Which protocols and voice assistants does the Smart Wi-Fi Hub MSH300 support?
Protocols: proprietary, Wi-Fi, HomeKit. Voice: Alexa, Google, Siri (HomeKit). It directly supports an estimated 16 devices/brands.
How much does the Smart Wi-Fi Hub MSH300 cost and how much power does it use?
List price is about $20 (Amazon.com market observation, Q2/2026 — actual prices fluctuate). Idle power draw is roughly 1 W. The hardware and firmware are closed-source.

Source & last checked

  • Meross MSH300 product page: meross.com/en-gc/smart-hub/smart-wi-fi-hub/91
  • Sources last checked: 2026-07-20 · Prices: Amazon.com market observation, Q2/2026
  • Idle-power and device-count figures are vendor-claimed or community-measured estimates. Prices fluctuate. Details without warranty — check the current manufacturer spec sheet before buying.