... Active Antenna 1.Impedance 50ohm 2.Gain 3dBi 3.Size37x33x10mm 4.SMA/SMB/SMC/BNC/FME/TNC/MCX/MMCX (Manufactory) GPS Active Antenna with SMA ... -French aerials of Jiaxing, specialize in the communication aerial, telescopic antenna, GPS , new high-tech enterprise taking producing, electroplating, studying, ... on time. Welcome our country heartily. (manufactory)GPS Active Antenna with SMA connector