SILTRONIX
model(s) wire color conection
1011C Audio ring
  Ground sleeve
  N/C N/C
  Common sleeve
  PTT tip
(Hi-Z, Use an amplified mic only) receive N/C
model(s) wire color pin number
APACHE Audio 1
MOHAWK Ground 4
  N/C N/C
  Common 4
  PTT 2
  receive N/C
model(s) wire color pin number
SSB-23 Audio 1
  Ground 4
  N/C N/C
  Common 4
  PTT 2
(Hi-Z, Use an amplified mic only) receive N/C