Through-hole Mount GPS Antenna

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
  • ¾ inch thru-hole or bracket mount
  • Voltage range: 2.7 to 5.5 V
  • High gain: 30 dB @ 5V (typ)
  • Low noise figure: 1.5dB
  • Great out-of-band signal rejection
  • 15 KV ESD circuit protection
  • RoHS compliant

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

WS3977 Through-hole Mount GPS Antenna

The WS3977 permanent mount GPS Antenna provides 30 dBs of gain and great out-of-band rejection performance. It features a perfectly tuned custom ceramic patch element for maximum signal reception, 15KV ESD circuit protection, a dual-stage LNA circuit and a SAW out-of-band filter, enabling the WS3977 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, and with a dark grey or white cone-shaped radome for fixed installations, the WS3977 permanent mount GPS Antenna is the optimum choice for GPS Tracking and Timing applications.

Technical Specifications

Environmental Specifications temperature-40c to +85c operating
-45c to +85c storage
weather proofIP67
Mechanical dimensionsWS3977: 60 mm dia. x 21 mm H
WS3977-DH: 60 mm dia. x 44 mm H
weight50g
housingGE Lexan EXL9330
mounting¾" thru-hole or bracket mount
connectorTNC jack connector
(flying-cable optional)
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 VDC
current15mA @ 5V, 9mA @ 3.3V
LNA Specifications frequency1572.5 - 1578 MHz
output impedance50 Ohm
VSWR1.5:1 max (at connector)
gain@ 3.3VDC: 28 dB (typical)
@ 5VDC: 30 dB (typical)
noise figure1.5 dB (typical)