... 3.Impendance: 50ohm 4.Polarization: RHCP GPS Active Antenna (manufactory),Newest! I Dielectric AntennaCenter Frequency 1575.42MHz± ... of industrial Co.,Ltd of Sino-French aerials of Jiaxing, specialize in the communication aerial, telescopic antenna, new ... high-tech enterprise taking producing, electroplating, studying, managing as an organic whole, monthly ...