For users of the Baofenfg UV-5R radios, RB online got some helpful tips in the settings as well as modifications so it can handle the rigors of milsim events. Now, if you can still find the radio available in stores given the issues with it found by the FCC... "Turn off lights, Increase Range, Protect From Rain, Settings, Nagoya Antenna NA-771, Radio Cover, Remove lights for night time operations etc."