Qyt Kt8900 Programming Cable Pinout Top May 2026

The most common location is on the front face of the radio, often hidden near the top-left corner. It is frequently all-black and blends in with the chassis.

: This radio is widely supported by CHIRP , an open-source programming tool. When using CHIRP, select QYT as the vendor and KT8900 (or the corresponding 'D' version) as the model.

On most versions of the QYT KT-8900, the programming jack is a . Depending on your specific sub-model (KT-8900, KT-8900D, or KT-8900R), the location may vary: qyt kt8900 programming cable pinout top

The KT-8900 uses a standard Serial-to-TTL (3.3V or 5V) interface. While the port often accepts a 4-contact (TRRS) plug, it typically only uses three contacts: , Transmit (TX) , and Receive (RX) . Plug Contact Description Tip RX Data coming into the radio from the PC Ring 1 TX Data going out of the radio to the PC Sleeve GND Common ground for the circuit

Connect the pin of the module to the Ring (TX) of the plug. The most common location is on the front

: Ensure the 3.5mm plug is pushed all the way in. The recessed nature of the jack sometimes prevents standard bulky plugs from seating correctly.

: If your PC shows a "Code 10" error in Device Manager, you likely have a cable with a counterfeit Prolific chip. Reverting to an older driver (version 3.2.0.0 from 2008) often fixes this. When using CHIRP, select QYT as the vendor

: Use an RJ-45 microphone pinout only if you are trying to interface with the mic port, which is generally not used for standard frequency programming. Software and Drivers