2 thoughts on “SMJ RFC2SC label says 433.92 MHz”

  1. I wonder if you can help me ?

    I have one of these handsets. Can you tell me how to register it with the mains power plug part ?

    Thank you ?

    Terry Wallis.

    1. The pic is from this rant about how rubbish these things are. Seriously, throw it away and buy a smart plug 😉

      But the rant gives you some things you could try if you are technically minded. You don’t pair these damn things, they come in a bubble-pack set already matched. If it doesn’t work, and you have tried a new battery, then the crappy circuit has probably drifted off frequency 🙁

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