Wi-Sys WS3978

Wi-Sys WS3978

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The WS3978 high gain permanent mount GPS Antenna provides 40 dBs of gain and great high out-of-band

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 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


  • 3/4 inch thru-hole or bracket mount
  • Voltage range: 2.7 to 5.5 V
  • High gain: 40 dB (typical)
  • Very low noise figure: 0.5dB
  • Great out-of-band signal rejection
  • 15 KV ESD circuit protection


  • Fixed Timing & Positioning Applications
  • WiMAX / Fixed Wireless Broadband
  • Cellular Base Station
  • Fleet Management & Telematics
  • Marine Vessel Installations