[Elecraft] KX3 2m module problem instable working like autoscillation

hi to all i have just installed 2m module into my KX3, it works very fine in rx but when i go to transmit i listen noise very high into speaker e during the trasmission the noise change e appear the hi current indication like an autoscillating of final stage. apparently all work, in rx posi

[Elecraft] (no subject)

hi to all i have just installed 2m module into my KX3, it works very fine in rx but when i go to transmit i listen noise very high into speaker e during the trasmission the noise change e appear the hi current indication like an autoscillating of final stage. apparently all work, in rx positio