MX-P50M 45W HF Power Amplifier - [ Ссылка ]
PTT/switching control cable for XIEGU X6100 to MX-P50M amplifier - [ Ссылка ]
The cable goes to X6100's ACC port.
(The vendor links are for reference only and not meant to be my endorsement to the vendors. I bought them and they worked for me. I am not responsible if you have problems with those vendors or products. I have no affiliation with any of the vendors)
![](https://i.ytimg.com/vi/W5I7TG4lbs4/mqdefault.jpg)