Maldol EX-510NMO TriBand Ham Radio Mobile Antenna Black 50/144/440 Mhz Triband Ham Radio Mobile Antenna. 50W, Length 985mm, approx 3.2ft, 6M/2M/70cm Bands.. Great Scanner antenna too, receives most other frequencies. "Spring-loaded Fold-Over" whip. Has a Standard 'NMO' (Motorola) style base thread. Requires a suitable optional mount & cable.