Wi-Sys Communications Inc. WS3957 / WS3967 Embedded GPS Antenna Applications: Portable Telematics Automotive Navigation Systems Fleet Management & Telematics Systems Marine Navigation Systems Asset Tracking Equipment Military Radios and In-Vehicle-Systems Law Enforcement Radios and In-Vehicle-Systems WLAN, WiMax and Cellular Base Station GPS Clock and Timing Systems The WS3957/WS3967 GPS antenna series is ideal for handheld GPS devices, mobile asset tracking equipment and GPS clock & timing applications. With its compact size and low price, the WS3957/WS3967 series is perfectly suited for OEM applications. The WS3957/WS3967 series features a custom designed ceramic patch element, a two-stage low noise amplifier and a SAW filter, enabling the WS3957/WS3967 series to provide great out-of-band signal rejection performance, consistent and clear signal while minimizing loss-of-lock. The WS3957 comes in a compact square package and the WS3967 comes with a 1.85 mini-ground plane. Features: WS3957 WS3967 2.7 to 5 V operation Available with and without an internal ground plane Optional cable types and lengths available Wide range of connector types available Ideal for embedded applications Low price Technical Specifications Wi-Sys Communications Environmental Specifications WS3957/WS3967 Low cost Operating temp: -40c to +85c (-45c to +80c storage) Embedded GPS Antenna Humidity: 95% max (non condensing) Designed for easy integration into a variety of Mechanical WS3957 29.5mm x 28.4mm x 8mm OEM platforms, the WS3957/WS3967 series (1.16 x 1.12 x 0.32) integrates a two-stage low-noise amplifier to WS3967 - 47mm diameter x 8mm with ground plane ensure a reliable and clear signal for the GPS (1.85 diameter x 0.32) receiver even in difficult conditions, as well as a Shock: Vertical axis 50G, other axes 30G SAW filter for even greater performance for Vibration: 3 axis, sweep = 15 min telematics applications where out-of-band signal 10200 Hz log sweep: 3G rejection is required. Antenna Response Frequency: 1575.42 MHz The Wi-Sys Antenna Family Gain: 90 3 dBic 20 -2.0 dBic WS3910: High gain, low noise GPS antenna Polarization: Right Hand Circular Axial ratio: 90 4 dB, 20 6 dB WS3914: Low current GPS antenna WS3916: Low cost GPS antenna Electrical Voltage: 2.7 5 VDC WS3917: Low cost filtered GPS antenna Current: 15 mA 5V, 9 mA 3.3V Connector: Right angle MCX WS3940: Active GPS + Cellular Combined Other connector types available Glass mount/covert antenna Cable: Shikoku Coax Cable p/n 1.5QEHV(TA) WS3942: Active GPS + Cellular Combined Cable length: 15 cm (6), other lengths available Magnetic mount antenna LNA Specifications WS3950/WS3960: High gain, low noise Frequency: 1572.5 1578 MHz Embedded antenna Output Impedance: 50 Ohm VSWR: 1.5:1 max (at connector) WS3954/WS3964: low current Embedded Gain: 3.3VDC: 28 dB (typical) GPS antenna 5VDC: 30 dB (typical) WS3957/WS3967: low price filtered Noise figure: 1.5 dB (typical) Embedded GPS antenna Out-of-band rejection: +/- 15 MHz: 5dB +/- 20 MHz: 10 dB WS3977: Through-hole Mount GPS Antenna +/- 30 MHz: 32 dB +/- 40 MHz: 40 dB Wi-Sys Communications Inc. 31B Richardson Side Road Ottawa, ON K2K 0A1 Canada Tel 613.254.7386 Fax 613.254.7388 sales wi-sys.com www.wi-sys.com