Mic connector:
1 - Audio
4 - TX
2 - Ground
3 - RX
Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the value of a used GemTronics GTX-4040. Just bought or sold this model? Let us know what you traded it for and help other ham operators!
These estimates are based on the following prices: