Low Cost GPS Antenna

Wi-Sys: Low Cost GPS Antenna
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Features
  • Voltage range 2.7 - 5 V
  • LNA 28 dB gain typical
  • Low noise figure 1.5dB
  • Great out-of-band signal rejection
  • Magnet or screw mount
  • Large range of connector types
  • Value priced

WS3917 High Gain GPS Antenna

The WS3917 GPS antenna is a high value antenna with a wide voltage range, ideally suited to AVL and telematics platforms for vehicle-mounted use. Using internal magnets or screw mount holes, the antenna can be installed almost anywhere on a vehicle allowing great flexibility. The WS3917 antenna features a high gain (28 dB) low noise amplifier and a SAW filter. With a wide range of connectors and 3 to 5 volt operation, the antenna can be used with almost any GPS system available.
Designed for a wide range of GPS devices, the WS3917 antenna meets or exceeds OEM manufacturer's recommended specifications for optimum GPS performance. The WS3917 antenna is housed in durable PVC plastic for reliability in extreme weather conditions. Mounting the WS3917 antenna is easy with the reliable mag mount or through holes for screws.
Applications
  • Automotive Navigation
  • Fleet Management & Telematics
  • Marine Navigation
  • Asset Tracking
  • Military Radio and Vehicle
  • Law Enforcement
  • Clock & Timing using GPS

Technical Specifications

Environmental Specificationstemperature-40c to +85c operating
-45c to +80c storage
humidity95% max (non condensing)
Mechanicaldimensions45mm x 51mm x 12mm
2.05" x 2.32" x 0.53"
weight120g (4.2 oz)
attachment methods:Magnetic (5 lb lift-off force)
or permanent (pre-threaded for 3x M2.5 screws)
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 - 5 VDC
current15 mA @ 5V, 9 mA @ 3.3V
cable1.5 DS-QEHV Shikoku Cable Co. Ltd.
cable length3 Metres (standard), other lengths optional
cable loss1.3 dB/m typical
connectorSMA standard
SMB, SMC, MCX, BNC, TNC optional
LNA Specifications frequency1572.42 - 1578.42 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)
out-of-band rejection +/- 15 MHz: 5 dB
+/- 20 MHz: 10 dB
+/- 30 MHz: 32 dB
+/- 40 MHz: 40 dB