Anti-jamming Permanent Mount GPS Antenna with dual SAW High Rejection Filter
Wi-Sys
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Check out our range of products which include: Active GPS Antennas, Active directional 802.11 Antennas (coming soon), and satellite fax messaging
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Anti-jamming Permanent Mount GPS Antenna with dual SAW High Rejection Filter

Wi-Sys: WS397X-DH - High gain GPS antenna with cone-shaped radome coverWi-Sys: WS397X - High gain GPS antenna with low profile housing
  • Weather proof, all-plastic, non-corrosive, low profile or cone-shaped enclosure
  • Very high rejection Dual SAW filter
  • 28dB gain @ 3.3V
  • Low current: 8mA (typ)
  • ¾ inch thru-hole or bracket mount
  • Voltage range 2.7 to 5.5 V
  • RoHS compliant

  • Anti-jamming / Mission Critical GPS
  • Military and Security Applications
  • Fleet Management & Telematics
  • Fixed Timing & Positioning Applications
  • WiMAX / Fixed Wireless Broadband
  • Marine Vessel Installations

WS3971-HR Anti-jamming Permanent Mount GPS Antenna with dual SAW High Rejection Filter

The WS3971-HR Anti-jamming Permanent Mount GPS Antenna provides 28 dBs of gain and very high out-of-band rejection performance. It features a perfectly tuned custom ceramic patch element for maximum signal reception, a dual stage LNA circuit and a dual SAW out-of-band filter, enabling the WS3971-HR to provide the most reliable and clear GPS signal reception while minimizing loss-oflock, even in high RF fields. Available in an all-plastic, non-corrosive low profile package for mobile applications or with a dark grey or white cone-shaped radome for fixed installations, the WS3971-HR Anti-jamming permanent mount GPS antenna is the optimum choice for critical GPS applications with high RF fields.

Technical Specifications

Environmental Specifications temperature-40c to +85c operating
-45c to +85c storage
weather proofIP67
Mechanical dimensionsWS3971-HR: 60 mm dia. x 21 mm H
WS3971-HR-DH: 60 mm dia. x 44 mm H
weight50g
housingGE Lexan EXL9330
mounting¾" thru-hole or bracket mount
connectorTNC Female connector
shockVertical axis 50G, Other axes 30G
vibration3 axis, sweep = 15 min
10-200 Hz log sweep: 3G
Antenna Response Frequency1575.42 MHz
gain@ 90° 3 dBic
@ 20° -2.0 dBic
polarizationRight Hand Circular
axial ratio@ 90° 4 dB
@ 20° 6 dB
Electrical voltage2.7 to 5.5 VDC
current8mA
LNA Specifications frequency1572.5 - 1578 MHz
output impedance50 Ohm
VSWR1.5:1 max (at connector)
gain28 dB (typical)
noise figure3.1 dB (typical)