https://alexnld.com/product/retevis-rt85-us-frequency-136-000-174-000mhz-400-000-470-000mhz-200chs-dual-band-digital-two-way-radio-handheld-walkie-talkie-black/?hilite="Dual Band VHF UHF 136-174MHz 400-470MHz Vehicle Ham Radio Mobile Radio Antenna for Car Truck Ham Radio Two Way Radio"