Has the excellent performance of high gain, low loss, small dimension, easy operation and other characteristics. Item of PerformanceHM-NZ04HM-NZ05Working Frequency1575.42±5MHz1575.42±5MHzGain of Amplifier27dB27dBGain of Antenna2dBi1.5dBiDimension (MM)25×25×220×20×2PolarizationDextrorotationDextrorotationAttenuation out of Band≥30dB@f0±100MHz≥30dB@f0±100MHzNoise Coefficient≤1.5dB≤1.5dBVSWR≤1.5≤1. ...