RFXCOM has great transceivers for 433 MHz. I've been using them for over 15 years.
this post was submitted on 10 Jul 2023
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Home Automation
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Discussion about general home automation ideas and projects, home automation protocols like Z-wave, Zigbee, Matter, etc, and home automation software and hubs like HomeSeer, Home Assistant, OpenHAB, Homey.
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I’m currently using a similar setup to monitor a 433MHz fuel tank sensor, rtl433 is a great project.
SONOFF make a Wifi RF Bridge which has a 433MHz transceiver and can be flashed with Tasmota, I’ve experimented with it for controlling RF controlled lights.
Broadlink also do RF transceivers, although only used their IR devices.