connect to pc or android
You end up connecting the 2.5 mm Baofeng connection (audio out) to your sound card microphone or line-in connection. The 3.5 mm Baofeng connection (microphone) is connected to your sound card audio out or speaker connection. [...]
Baofeng includes a "VOX" function that will key the transmitter whenever a certain audio level is detected on the microphone. All you need to do is turn the VOX function and set the VOX level to a comfortable speaking level. Test by speaking into the HT and adjusting accordingly. [...]
put an audio isolation transformer between the radio and the sound card [...]
this same cabling scheme will work with the UV-5R.