This is a pre-order for the Quansheng UV-K5 radio directly from the factory with modifications for H.F bands and updated firmware. The radio also includes an antenna inductor change and audio quality fix.
The Quansheng UV-K5 is a new handheld radio on the market that offers exciting hacks and mods for amateur radio enthusiasts. This pre-modified version comes with a replacement SI4732 chip, firmware change, antenna inductor change, and a fix to increase audio quality.
- Article by Stephen Cass for IEEE Spectrum
Introduction of Quansheng's UV-K5 handheld ham radio
- UV-K5's firmware stored in flash memory, allowing rewrites using USB programming cable
A growing community of hams adding software-based improvements and features
Examples of mods include graphical spectrum analyzer, text messaging between K5s, improved AM signal reception, and custom start-up messages
Web-based patcher/flasher allows easy installation of mods without exceeding memory limit
Potential risks of abuse and reliance on ham radio's honor system
Future possibilities of increased in-radio processing capabilities and app-like functions
- New apps and asset packs added, including BT Trigger, EM4100 Generator, and GPIO Controller
- Updates to Infrared, NFC, SubGhz, and UL features and functionalities
- Fixes for various issues, including NFC-V dumps crashing and MyKey production date parsing
- Removal of certain apps, such as Brainfuck and Mandelbrot Set
- Known issues with refactored stack regressions in NFC, including broken apps and missing extra actions
First time programming still needs a hardware connection to be made between P1.5 and GND, but after that holding the 1st key while connecting USB lands you in the bootloader!