eb104 430-440 MHz linear amplifier, User Manual, Page: 6 / 11

Back panel description
OUT - RF connector for connecting the antenna.
CONTROL - connector for PTT signal.
IN - connector for connecting a coaxial cable from the transceiver.
53V - connector for connecting a 30-53V power supply.
Control cable connection:
5 pin – LNA control
15 pin - PTT, connection to the housing enables transmission mode
17 pin – TNX INHBIT
24 pin - GND, common wire.