For bulk channel management, software is highly recommended. You will need a that connects to the 3.5mm "DATA" jack on the rear of the radio.
Buy the FTDI programming cable, use CHIRP, and you'll turn this $50 radio into a fully usable mobile rig. qyt kt-8900 programming
Here are some common programming tasks for the QYT KT-8900: For bulk channel management, software is highly recommended
Facebook·QYT KT8900 / Juentai JT-6188 Mini Mobile Dual Band Radio (US Group) Programming the QYT KT-7900D with CHIRP Next For bulk channel management
Spreadsheet-style editing, frequency database import, backup/restore.
Manual programming is the best way to make quick field adjustments without a computer. The process involves two primary modes: for entering temporary frequencies and Channel Mode (MR) for accessing saved memories.