BAOFENG, HT RADIO, ANTENNA HACK. RATTAIL.
How to Make a Half-Wave Dipole Antenna (not a Yagi) for 2m Ham Radio
Rattail Do or Do not? RadioReference.com Forums
DIY: Rat Tail Tiger Tail Counterpoise for the Baofeng Radios
Enhancing Your Handheld Radio's Performance with a Rat Tail Antenna Mod - BaoFeng Radios
Why can't I hit the repeater? - BaoFeng Radios
Enhancing Your Handheld Radio's Performance with a Rat Tail Antenna Mod - BaoFeng Radios
Don't Settle for Just a HT
How to Extend The Range of Walkie-Talkie Portable Handheld Radios.
Can an external antenna be housed inside a PVC pipe or similar? : r/Baofeng