1byone is a Global Leader in TV Accessories. Come Join Our 1byone Family of Over 5 Million Satisfied Customers and Counting! Outdoor TV Antenna Specification: Frequency Range: 470-862MHz Receiving Range: UHF Impedance:75Î© Antenna Gain: 9-13dBi Amplifier Gain: 18dB Power Input: AC-110V/60Hz Power Output: AC12V 100mA Package Includes: 2x Antenna Boom with Preassembled elements 2x Reflector 1x Bracket 1x Dipole Box 1x 4*30MM/M Screw 2x 4*30MM/PM Screw 1x 4*45MM/M Screw 2x Connecting Part 4x M4 Wing Nut 1x Power Supply Unit(PSU) 1x 1.5m 3C 2V coaxial cable(from PSU to TV) Remarks: 1. If you are using a flat screen HDTV, please check your TV's manual to make sure your TV has a built-in tuner for receiving over-the-air broadcasts. Also check to make sure you have correctly connected the antenna to your HDTV or third-party HD receiver ; 2. Re-Scan for Channels. In the TV's setup menu, set the mode to Antenna or Air. Refer to the TV manual for detailed instructions ; 3. Make sure your tuner can receive HD signals, otherwise you won't be able to receive and watch HD channels ; 4. Signal quality determines picture quality and how many channels you can receive. Once you receive the antenna, please try to place the antenna in various locations to find a best signal reception spot. After finding the optimal location for your antenna, you may be surprised by how many HD channels you receive ; 5. If your TV has no built-in tuner, you can add an ATSC digital converter box to receive the HD signal, put B07CF738QM or B01N5MLC1M into Amazon search box for 1byone converter box; 6. Before you buy, find out what channels are available in your area by visit "dtv.gov/maps" or "tvfool"; 7. Mounting pole not included - Put B013057BDU or B01MZ21OFD into Amazon search box for 1byone pole.