pin;definition;function;remarks
1;RS485B;RS485 interface
2;RS485A;RS485 interface
3;SWR;standing wave alarm;High-level alarm (3.3V), low-level normal (0V)
4;TEMP;temperature alarm;High-level alarm (3.3V), low-level normal (0V)
5;V+;forward power detection;The voltage range of 0.1-3V corresponds to an output power of 20-50 dBm.
6;GND;GND
7;Vt;temperature detection voltage;The voltage range of 0.25-1.25V corresponds to an output power of-25℃ to +75℃.
8;PTT;enable;The amplifier defaults to enable (low level enable (0V), high level disable (3.3V))
9;V-;reverse power detection;The voltage range of 0.1-3V corresponds to a reflected power of 20-50 dBm.