uv3r

Baofeng UV3R comments - A Review of the Handheld VHF/UHF Transceiver with known problems and cool features

AO-51 on Baofeng UV-3R - A video of Clayton W5PFG trying his $60 Baofeng UV-3R handheld on the Amateur Radio satellite AO-51

Baofeng UV-3R Low pass Filter Mod - This page describes a fix to the Low Pass Filter that provides more filtering of the second harmonic of 144-148 MHz.

Solving harmonic problems on UV3R - KA7OEI modification to LPF for the Baofeng UV3R

Baofeng LPF mod by G0FTD - A modification of the UV3R Baofeng handheld transceiver to improve the built in low pass filter