Table 6-4: TX pinout (from left, facing the AL205R/AL205B)
Pin number
Label
Pin function
1
AO
RF data (output from the AL205R/AL205B)
2
G
Ground
3
PTT
Push to talk
4
12V
12 V power (provided by the AL205R/AL205B)
5
CS
Channel select
AL205R / AL205B ALERT2 Repeater / Base
21