John,
The K3S does have protection on the RX ANT input. It is in the form of
a COR (carrier operated relay) that will close in the presence of a high
RF Field.
While that protects the K3S, the relay clacking can be bothersome, so if
you do hear that relay clacking, you may want to consider some form of
external protection.
73,
Don W3FPR
On 8/15/2017 10:50 AM, [email protected] wrote:
Great question! I asked the same thing once and never got an answer so to
be safe I either short the RX antenna during transmit or if SO2R I use DXE
receiver guards. It would be nice if the K3S had a similar built in
protector.
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