Low Cost Magnet Mount GPS Antenna

Wi-Sys: Low Cost Magnet Mount GPS Antenna
  • All plastic weatherproof housing
  • 2.7 - 5.0 VDC Voltage range
  • 28 dB LNA gain (typical)
  • Low noise figure 1.5dB
  • Great out-of-band signal rejection
  • Magnet mount
  • Very competitively priced
  • RoHS Compliant

WS3927 Low Cost Magnet Mount GPS Antenna

The WS3927 is a high performance, low cost magnet mount GPS antenna. It features a precisely tuned ceramic patch antenna, 15KV ESD protection, a two stage high gain (28dB) Low Noise Amplifier (LNA), with a mid-section SAW filter that provides superior out-of-band signal rejection. Housed in a very compact all plastic weatherproof enclosure, the WS3927 can be installed almost anywhere on a vehicle allowing great flexibility. With its 2.7 to 5 volt operation, the WS3927 can be used with any GPS system available.

  • Personal Navigation
  • Automotive Navigation
  • Telematics and Fleet Management
  • Marine Navigation
  • Asset Tracking


Technical Specifications

Environmental Specifications temperature-40c to +85c operating
humidity95% max (non condensing)
Mechanical dimensions37.6 mm x 34.6 mm x 12.3 mm
weight25g
attachment methodsMagnetic (4 lb lift-off force)
shockVertical axis 50G
Other axes 30G
vibration3 axis, sweep = 15 min
10-200 Hz log sweep: 3G
Antenna Response frequency1575.42 MHz
gain@ 90° 3.5 dBic
@ 20° -2.0 dBic
polarizationRight Hand Circular
axial ratio@ 90° 3 dB
@ 20° 6 dB
Electrical voltage2.7 - 5 VDC
current15 mA @ 5V, 9 mA @ 3.3V
cableRG174/td>
cable length3 or 5 meters (standard)
other lengths available
cable loss1.3 dB/m typical
connectorSMA male (standard)
other connectors available
LNA Specifications frequency1572.5 - 1578 MHz
output impedance50 Ohm
VSWR1.5:1 max (at connector)
gain@ 3.3VDC: 26 dB (typical)
@ 5VDC: 28 dB (typical)
noise figure1.5 dB (typical)