Product Description :ENJOYING FREE CHANNELS FOR YOUR LIFE :Our HDTV antenna can receive free broadcast high definition Television Signals without pay any hugely expensive cable or satellite fees again! You can access to the most free popular HD Channels like ABC,NBC,local news, weather forecast, sports and kids educational programs etc..FULL HD MORE CLEARER WITH TV PROGRAMS :We adopt upgraded crystal clear filter technology to picks up signals within a 75-miles range. The new technology filters out cellular and FM signals resulting in clearer picture, low noise and access to more broadcast TV signals with enhanced gain, range and frequency performance..50 MILES RANGE :16.5FT CABLE:.You can put it on the wall,on the table or on the window (strongly recommended) and it will make you enjoy watching crystal clear digital & HD shows with many opportunities..Warranty & Service :We provide 12 months warranty and committed to providing you with 100 % satisfactory service.we'll response within 10 hours,we'll accept advice for the goods and we will be glad to help you resolve asap..Technical specification:1. Frequency range:170-240Mhz,470-862Mhz2. VSWR:?2.0: 13. Impedance: 75?4. LAN gain: 25dB5. Connector: F Male / IEC male6. Cable: 1.5C2V cable7. Receiving Range: VHF/UHF/Hi-V8. Operation Temperature:-50~185? F (-45~85?)?2.0: 1Accessories List?1. Indoor HDTV antenna with 16ft coax cable2. USB power adapter with spare cable3. Amplifier signal booster Few tips ?1.) Connect the coaxial cable on the antenna to the amplifier.2.) Place the antenna, preferably on a window or as high as possible.3.) Connect the HDMI cable from the amplifier to the TV.4.) Go to input on your TV and make sure it is set for TV5.) Go to the menu on your TV and make sure it is set for "air" or "antenna", whichever you TV menu has.6.) In the menu on your TV go to "Scan for Channels" or "Channel Scan" etc., select "ok" and scan. This may take up to 20 minutes to complete.