Hi, I'm using this keyfob transmitter.... Keyfob 4-Button RF Remote Control - 315MHz This 4-button keyfob remote goes with our three basic 315MHz RF receiver modules. It will work with all of them, sending out one of four commands that match up with the four outputs. Its ... P…

Increasing range on a 315Mhz transmitter

jackrae September 13, 2017, 2:47pm 13

Paul_KD7HB:
When using the FOB, you are the antenna. .....

Paul

That's probably why using my chin works - empty head acting as a resonator

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