Step Global: GPS Specialsts; the Australian/New Zealand distributor for Trimble Navigation Global Positioning System (GPS)
 
 
 

Low Power Embedded GPS Antenna

Wi-Sys: WS3954 - Embedded GPS Antenna without ground plane

Wi-Sys: 3964 - Embedded GPS Antenna with internal ground plane

pdf data sheetpdf data sheet
High gain embedded antenna also available»
Features
  • 2 mA @ 2.7 VDC
  • Available with or without internal ground plane
  • Extremely low noise figure: 0.8 dB
  • Excellent out-of-band signal rejection
  • Wide range of connector types available
  • Excellent low elevation angle coverage

WS3954/WS3964: Perfectly suited for OEM applications

The WS3954/WS3964 GPS antennas are ideal for personal GPS applications including handheld computers and PDAs. With an industry leading 2mA current, and compact size, the WS3954/WS3964 series is perfectly suited for OEM applications. And performance is not sacrificed; the antenna'still features a custom designed ceramic patch element along with a low noise amplifier and SAW filter, enabling the WS3954/WS3964 to provide a consistent, clear signal while minimizing loss-of-lock. Chose the WS3964 with an internal ground plane or the WS3954 without to suit your application.
Designed for low power use while maintaining GPS performance, the WS3954/WS3964 antenna's advanced circuitry integrates a SAW filter and low-noise amplifier to ensure a reliable and clear signal for the GPS receiver even in difficult conditions. The antenna design and industry leading low current draw makes the WS3954/WS3964 antenna ideal for portable or telematics applications using MONITOR, STANDBY or SLEEP modes.

The high performance 2 mA GPS antenna solution for OEM integrators

The Wi-Sys Antenna Family

WS3910 The high gain active GPS antenna with SAW filter
WS3914 Our lowest current model, 2 mA active GPS antenna
WS3940 Glass Mount combined Active GPS and Cellular
WS3942 Mag Mount combined Active GPS and Cellular
WS3950
WS3960		 The high gain embedded patch antenna with optional ground plane


Technical Specifications

Environmental Specifications temperature -40c to +80c operating
-45c to +80c storage
humidity 95% max (non condensing)
Mechanical dimensions 28mmx28mmx9mm
1.1" x 1.1" x 0.35"

47mm diameter x 9mm
1.85" diameter x 0.35"
(with ground plane)
shock Vertical axis 50G
Other axes 30G
vibration 3 axis, sweep = 15 min
10 - 200 Hz log sweep: 3G
Antenna Response frequency 1575.42 MHz
gain @ 90° 3.5 dBic
@ 20° -2.0 dBic
polarization Right Hand Circular
axial ratio @ 90° 4 dB
@ 20° 6 dB
Electrical voltage 2.5 - 3.3 VDC
current 2.0 mA @ 2.7VDC(typical)
connector MMCX (standard)
Other connector types available
LNA Specifications frequency 1572.5 - 1578 MHz
output impedance 50 Ohm
VSWR 1.5:1 max (at connector)
gain @ 3.3VDC: 18 dB (typical)
noise figure 0.8 dB
out-of-band rejection +/- 15 MHz: 18 dB
+/- 20 MHz: 25 dB
+/- 40 MHz: 45 dB
 
 
Go to Top 
last modified on: