Receives all available VHF/UHF/FM channels; Unsurpassed range of 55 miles; Optimized for every digital channel in all markets ; FEATURES Extended Range up to 55 Miles - Long-range, amplified VHF/UHF antenna with unsurpassed range, allowing you to watch channels broadcast from up to 55 miles away. The built-in amplifier boosts weaker television signals giving you crystal clear reception.; Receives All Digital and HD Channels - Optimized for digital HD reception, the Sensar IV excels at UHF (channels 14 to 51) and receives hard-to-get VHF (channels 2 to 13) digital channels so you can enjoy watching all your favorite local programs in standard or crisp clear HD.; Best in UHF Performance - Integrated Wingman UHF Booster optimizes the Sensar IV for digital TV (DTV) channels and increases UHF performance by up to 100%; Simple to Use - Raise, lower, and rotate the antenna with the hand crank from inside your parked RV to pinpoint the exact angle for best reception.; Long-Lasting Durability - Powder coated for long-lasting durability with over 30 years of experience on RV roofs. Sensar antennas have passed rigorous UV and environmental testing.; Low-Profile Design -Stows to just 4" while traveling to protect against tree branches, wires, and other obstructions.; Requirement: Requires a minimum of 16" from the boom to the edge of vehicle or nearest object.; Clearance: Lowers to only 4" above the roof while traveling; Antenna Directivity: Multidirectional, receives signals from multiple directions simultaneously.; Reception Types: FM, VHF/UHF; Frequency descriptions: VHF (Very High Frequency): Provides channels 2 -13 in the frequency range 54 - 216 MHz; UHF (Ultra High Frequency): Provides channels 14-51 in the frequency range 470-698 MHz.; ; FM Radio: Provides stations in the frequency range 88 - 108 MHz; Power Supply: +12 VDC; Compatible Networks : HDTV Towers; Complimentary: Telephone and email support; Online: Technical manuals and instructions; Support: Large Dealer Support Network ; Warranty 2-Year Parts, 1-Year Labor Warranty ; IN THE BOX Sensar IV Antenna Head; Integrated Wingman UHF Booster; Sensar Lift Assembly; Interior Controls; +12 VDC Power Supply; 20' Coax Cable; 6' Coax Cable; Mounting Hardware; Printed Documentation;