Hummingbird Electronics offers a wide range of active GPS antennas. As a volume user of GPS antennas in our own business, we are able to source antennas at competitive rates that can be passed to our customers.Magnetic mount with SMA connector.Features:Ceramic patch antenna:Centre frequency 1575.42 ± 3MHzV.S.W.R. 1.5:1Bandwidth ± 5MHzImpedance 50 ohmPeak gain >3dBic (based on 7mm x 7mm ground plane)Gain coverage >-4dBic (-90°<0<90°) over 75% volumePolarization RHCPLNA and filter:LNA gain (without cable) 28dB typicalNoise figure 1.5dBFilter out-band attenuation(f0 = 1575.42MHz)7dB min f0±20MHz20dB min f0±50MHz30dB min f0±100MHzV.S.W.R. <2.0DC voltage 3V to 5VDC current 5mA typical10mA max