If you have a Flex radio and want a local keyer solution, watch this video. You key locally but key your radio remotely.
https://groups.io/g/RemoteKeyerInterface
WinKeyer – https://hamcrafters2.com/
RCA Jacks – https://amzn.to/36NBGdW
DB9 Connector – https://amzn.to/3jv7zNI
FTDI Serial to USB – https://amzn.to/3cQtdun
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#MTR4BV2 #MTR #MountainTopper #QRP