ALARON (B&B IMPORT)
model(s) function pin number
B-4500 mic audio 2
B-4900 Ground 1
  Transmit 3
  Receive 4
model(s) function pin number
B-4075 mic audio 1
B-4085 Ground 4
B-4800 Transmit 2
B-4950, B-5050A Receive 5
model(s) function pin number
B-1025 mic audio 1
  Ground 4
  Transmit 2
  Receive n/c
model(s) function pin number
B-1050 mic audio 3
B-4050 Ground 4
  Transmit 2
  Receive 1
model(s) function pin number
B-1150 mic audio 1
  Ground 2
  Transmit 3
  Receive n/c
model(s) function pin number
B-1100 mic audio 1
  Ground 2
  Transmit 3
  Receive n/c