Pre-tuned ; No tuning needed; 43″ tall ; Single section; 3.5dBd actual gain VHF & 6dBd actual gain UHF; 1/2 wave VHF & 5/8 over 5/8 wave UHF; Omnidirectional; Black fiberglass construction; UHF female (SO-239) connector; Mast dia accepted: 1-13/16″-2-7/16″; Imp: 50ohm ; 150W power rating; 3″-7″ stainless steel radials; Includes mounting bracket and hardware; Coax cable sold separately;