Qyt Kt8900 | Programming Cable Pinout Top
To successfully program the radio, the serial interface chip inside the USB cable (such as a CH340, PL2303, or FTDI chip) must communicate using specific voltage levels, typically 3.3V or 5V TTL logic. Detailed QYT KT-8900 Programming Cable Pinout
Connects to the TXD pin of your USB-to-TTL serial adapter board. 2. The Ring (Pin 2) Function: Transmit Data (TXD)
Yes, if you wire a Bluetooth module (HC-05) to pins 1,2,3,6 using the TTL-level signals. The “top” pinout remains the same.
Last updated: October 2025. Compatible with QYT KT8900, KT8900D, and KT8900R. For the KT-8W or KT-UV980, refer to a different pinout guide. qyt kt8900 programming cable pinout top
A common issue among radio enthusiasts is a faulty, missing, or incompatible programming cable. Knowing the is essential for troubleshooting or building your own cable.
The KT8900 is a GPS tracker device, and the KT8900 programming cable is used to connect it to a computer for configuration and firmware updates. The pinout of the cable is crucial for developing a deep feature, such as creating a custom software tool for interacting with the device.
Snip off the twin-prong Baofeng connector. To successfully program the radio, the serial interface
If you encounter issues with programming your KT-8900, check the following:
Select the correct COM port and baud rate ( 1920019200 are common for QYT).
Older factory cables frequently embedded the PL2303TA chip. This chipset is no longer supported by default on Windows 11, causing the notorious "Device Cannot Start" error. Modern configurations prefer Silicon Labs CP2102 or FTDI FT232RL chips, which offer seamless plug-and-play functionality across current operating systems. The Ring (Pin 2) Function: Transmit Data (TXD)
[1] GND [2] TX [3] RX [6] +5V Locking tab up. Pin 1 left.
The KT-8900 programming cable typically uses a 6-pin or 8-pin mini-jack connector. The pinout for the programming cable is as follows: