Wi-Sys Communications Inc. WS3911-HR No Interference GPS Antenna with Dual SAW High Rejection Filter Applications: Anti-jam / Mission Critical GPS Military Radios and Vehicles Law Enforcement / Public Safety Avionics Fleet Management & Telematics Asset Tracking The WS3911-HR No Interference GPS Antenna with Dual SAW High Rejection Filter has the industrys best out-of-band filter performance. The WS3911-HR features ESD circuit protection, a patented two-stage low noise amplifier and a dual SAW high rejection filter. It also features a custom designed ceramic patch element that minimizes detuning effects caused by adjacent objects. The WS3911-HR provides the most consistent, clear GPS signal reception while minimizing loss-of- lock in high-RF fields. Housed in a weatherproof magnetic or screw mount enclosure, the WS3911- HP GPS antenna is ideal for most demanding vehicle mounted GPS applications. WS3911-HR Dimensions Features: Very high rejection dual SAW filter Patented high performance dual LNA High gain: 25.5 dB 5 V (typ.) Low current: 7.5 mA 3.3 V (typ.) 3.1 dB low noise figure 15KV ESD circuit protection Wide voltage input range (2.7 - 5 VDC) Weather proof housing Technical Specifications Wi-Sys Communications Inc. WS3911-HR No Interference Environmental Specifications -40c to +80c operating (-45c to +80c storage) GPS Antenna IP67 / Weather proof Mechanical Out-of-band Filter Rejection 45mm x 51mm x 12mm 120g (4.2 oz) Attachment methods: Magnetic (5 lb lift-off force) or permanent (pre-threaded for 3 x M2.5 screws) 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 dBic, 20 -2.0 dBic Polarization: Right Hand Circular Axial ratio: 90 4 dB, 20 6 dB Electrical Voltage: 2.7 5 VDC Current: 7.5 mA 3.3VDC, 11.5 mA 5VDC ESD circuit protection: 15K Volts Other Wi-Sys Magnet-mount Antenna Cable: 1.5 DS-QEHV Shikoku Cable Co. Ltd. Cable length: 3 metres (standard), WS3910: Low noise, filtered GPS antenna other lengths optional Cable loss: 1.3 dB/m typical WS3914: Low current, filtered GPS antenna Connector: SMA (standard), WS3915-HR Low current, dual filter other connectors optional high rejection GPS antenna LNA Specifications WS3917: Low cost, active, filtered GPS antenna Frequency: 1572.5 1578 MHz WS3942: Act ive, filtered GPS + Cellular Output Impedance: 50 Ohm VSWR: 1.5:1 max (at connector) c o m b i n e d a n t e n na Gain: 25 dB 3.3VDC: (typical) WS3948: Active, filtered GPS + 2.4 GHz 25.5 dB 5VDC: (typical) combined antenna Noise figure: 3.1 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