... , 1.Impedance 50ohm, 2.Gain 28dBic, 3.Size 17x16x4mm, 4.DC Currentor 5mA/11mA Built-in GPS Antenna, HOT1.Center Frequency: 1575.42MHz ... ,SMB,SMC,MCX,MMCX etc9.Cable: Select10.Impedance: 50ohm11.Mechanical Size: 17x16x4mm Car GPS Built-in Antenna(manufactory)