Lock X


– TX sense inputs: GND or +5V, independently
– PTT OUTPUTS: 2x Zero delay built in (GND or +12V, jumpers)
– OPTIONAL PTT Extender: Separate device, connected with DB9 cable with LOCK X. Has 3x programmable
– PTT outputs. Up to 3 PTT extenders can be connected, for 3 independent transmitters
– PTT outputs: Each can be open or short, GND or +12V
– Power supply: External, 12V


This device has two very important functionalities for
SO2R, MS and some specific Multi Op station designs.