High performance ADS-B 1090 MHz Vertical Antenna with SMA connector. Gain 7dBi, Impedance 50±5, Vertical Polarization 66 cm / 26 inch Vertical Antenna. Built with fiberglass & aluminum alloy for both indoor/outdoor use. Guaranteed 50-100 nm range improvement. Tested in extreme weather conditions. Mounting bracket and 30 feet co-axial cable included.