Made of heavy-duty black fiberglass, the Tram 406 MHz to 512 MHz UHF 6.5 dBd Gain Tunable Black Base Antenna comes with 3 stainless steel radials for grounding and provides omnidirectional coverage for optimal transmission and reception. It stands 63 in. tall and comes in a single section for easy installment. A mounting bracket with stainless steel hardware is included.