BRAND NEW. King Jack "over-the-air" Digital HDTV Antenna, Roof Mount & Surelock Signal Mount. White. Still in box (sold our RV before using). Perfect replacement for batwing antennas. 360 degree rotation, Powered amplifier: +12volt, Signal Meter Frequency response: 54-698 MHz (ch 2-51). VHF (54-216 MHz). UHF (470-698 MHz). FM (87.9-107.9MHz). 2.85 lbs. L=12.5"/31.25cm W=16"/40cm H=8.6"/21.5 cm.