Reflect the LEDs!


Yes, it's non-inductive.

Additionally, both antennas are on the other side of the PCB, so the keymat wouldn't affect it anyways.

Well, you really need to be concerned if it is resistive - by the same argument as reflecting the LED light, power is only dissipated by resistance. I agree it is unlikely to have an impact across the PCB, but this might be relevant in other situations and seems everyone gets RF wrong at one stage or another!
 
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