Wi-Sys WS3971

Wi-Sys WS3971

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The WS3971 Low Noise Permanent Mount GPS Antenna has the industry's lowest noise figure.


The WS3971 features a perfectly tuned custom ceramic patch element, ESD circuit protection, a patented very low noise dual stage LNA circuit and a high out-of-band rejection SAW filter. The WS3971 provides the clearest GPS signal reception while minimizing loss-of-lock even in less than ideal conditions. Available in an all-plastic, low profile package for mobile applications or with a charcoal grey or white cone-shaped radome cover for fixed installations, the WS3971 permanent mount GPS antenna is the optimum choice for critical applications.


  • Weatherproof, all-plastic, non-corrosive, low profile or cone-shaped enclosure
  • Very low noise (0.8 dB) LNA
  • 28dB gain @ 3.3V
  • Low current: 8mA (typ)
  • High rejection SAW filter
  • 15 KV ESD
  • 3/4 inch thru-hole pr bracket mount
  • Voltage range 2.7 to 5.5V
  • RoHS compliant