Description :Provide extra clear view from your PC/Laptop.A must have tool for DVB-T USB stick.Enhance the digital/analogue signal strength and signal quality.Magnetic based mounting make it be placed much easier.High gain amplifier， ideal for DVB-T Digital Terrestrial TV Receiver.Easy to install， just simply plug it to DVB-T stick.Gold plated connector for better signal transfer.Specifications :Gain : 20-25dBi(Max 25dBi)Impedance : 50¦¸Height : 15cmCable length : 1.5M(5ft)Color : blackPackage Included :1 x Magnetic Based Antenna