Chaowei AMP1801 High Gain TV Antenna Amplifier Signal Booster for HDTV Antenna with USB Power Supply,Boost Any Non-amplified Antenna up to 50 Miles Range Gain 25dB-Black

Chaowei AMP1801 TV Signal Amplifier Booster HDTV Antenna amplifier is a perfect accessory to boost signal for your passive antennas.Boost any non-amplified TV antenna up to 50 miles range,and enhance weak/moderate signals by obstructions between you and local DTV stations.Product Specification:Frequency Range: VHL(40-240MHz);UHF(47-862MHz)Max Gain: 25dB 2.9ft (1M) Coaxial CablePower Supply: DC 5V 100mA by external adapter or DC 5V from USB sourceWorks with any non-amplified indoor tv antennas(Ext.DVB66 Portable TV Antenna)Please Note :1.Work together with any kind of passive antenna,then the non-amplified aerial(Ext DVB66 Portable TV Antenna) will outperform a 50 mile amplified antenna by leaps and bounds;BUT cannot work with antennas which already has a builtin amplifier(like DTA180G Amplified Antenna).2,We DO NOT recommend to use this amplifier/booster if your house is very close to the broadcast tower and where the signals are already very strong,reception can be impeded by strong signals'overload',because the amplifier will boost the strong signals too.3,This signal booster CAN increase signals by 15 miles away for an unamplified antenna,but CAN'T add signals.4,We DO offer a 45-day money back guarantee in case of this booster doesn't help. How To Connect With a Passive Antenna?1,Screw the amplifier/booster into the F type cable of the non-amplified antenna;2,Connect the F type cable of the amplifier to the 'ANT IN' of HDTVs or Digital STB;3,Plug USB cable into HDTVs' USB port or additional power adaptor/wall charger;4,Amplified range and get more channels with Chaowei AMP1801 Signal Amplifier.