The model SDBF250VF is an economically priced, compact, unity gain and Performance and Standing Wave Stability and VHF 136-174MHz High Gain Outdoor Figerglass Base Antenna (One Section)
It comes standard with UHF-Female,This antenna can be used inside or outside, in fixed applications. The SDBF250VF is It has good
anti ultraviolet, sunscreen, antifreeze, waterproof