Wi-Sys WS3978-HR

Wi-Sys WS3978-HR

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The WS3978-HR high gain permanent mount GPS Antenna provides 40 dBs of gain and great high out-ofband rejection performance.


It features a perfectly tuned custom ceramic patch element for maximum signal reception, ESD circuit protection, a very low noise (0.5 dB) 3 stage LNA circuit and a SAW filter, enabling the WS3978 to provide a reliable and clear GPS signal while minimizing loss-of-lock, even when conditions are less than ideal. Available in an all-plastic, non-corrosive low profile package for vehicle mount or with a cone-shaped radome cover for fixed installations, the WS3978-HR high gain permanent mount GPS Antenna is the optimum choice for GPS Tracking and Timing applications with long cable runs.


  • Weather proof, all-plastic, non-corrosive, low profile or cone-shaped enclosure
  • Very high rejection Dual SAW filter
  • High gain LNA, 40dB (typ.)
  • 15KV ESD circuit protection
  • 3/4 inch thru-hole or bracket mount
  • Voltage range 2.7 to 5.5 V