Indoor / Outdoor Omnidirectional 40 Mile HDTV Antenna UHF/VHF/FM Multi-position mounting bracket provides a variety of mounting options including mast pipe, flat wall or attic joist attachment. Internal signal amplifier is powered remotely, over existing signal coax, with required AC adapter included. Weatherproof and UV resistant housing Connection: Female "F" type, 75, Mast diameter: 1" ~ 1 1/2" Frequency range: 87.5~230MHz and 470~862Mhz, Power requirements: 12VDC, 50mA - AC adapter included Antenna dimensions: 12" (dia) x 2" (H)