... Gain:28+/-3dB 2.External Car GPS Antenna 3.3-5V voltage gps antenna, car gps antenna usaFeatures: 1) Working frequency1,575.42MHz ... , adhensive tape, internal mounting, screw mount 10) Typical housing black 11) Outer packingBulk/small box100pcs/ctn GPS Antenna, car gps antenna 1575.42MHz