Wi-Sys Communications GPS Antennas RF Modules

About Wi-Sys
Wi-Sys Communications provides cost saving technologies to improve wireless systems manageability.
Wi-Sys manufactures an array of products for GPS, terrestrial and satellite communication systems, including programmable GPS Receivers and high performance antennas for the Telematics, mobile radio, and precision GPS markets. In addition, Wi-Sys offers custom Timing, Telematics and wireless communications solutions, as well as wireless infrastructure products for the mobile business industry.
Antennas, GPS Receivers and RF Modules
Wi-Sys supplies high performance, high quality antennas, GPS Receivers and RF Modules to meet the needs of the most demanding OEMs, System Integrators and Solution Providers in the following markets;
- Fleet Management
- Military
- Wireless Base Station Timing
- Public Transportation & Taxis
- Public Safety & Law Enforcement
- Automotive Navigation
- Marine Navigation
- Asset Tracking
- Portable Telematics
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code |
type |
gain GPS |
features |
applications |
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GPS |
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28 dB |
13 mm x |
1.5 dB noise fig. |
Ultra compact, ideal for personal GPS applications including handhelds, computers and PDAs |
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18 mm x |
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28 dB |
0.8 dB noise fig. |
8 mA, SAW filter |
mag. mount for vehicle install |
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25.5 dB |
3.1 dB noise fig. |
dual SAW high rejection filter |
out-of-band filter performance |
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18 dB |
1 dB noise fig. |
2 mA, SAW filter |
low current ideal for portable applications |
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20 dB |
3.6 dB noise figure |
dual SAW high rejection filter |
low-power out-of-band filter performance |
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28 dB |
1.5 dB noise figure |
SAW filter |
The value priced alternative |
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28 dB |
magnet mount |
For mobile GPS applications, such as Sat Nav/ Speed camera locators |
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Cell |
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Quad-band Cellular + 3G |
combined antenna for covert telematics installations |
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WiFi |
2 dBi |
2.4 Ghz |
for embedded and covert installations |
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GPS |
Cell |
28 dB |
GPS, Quad-band Cellular, 3G & 2.4 GHz band reception |
combined antenna for covert installations |
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combined antenna for glass-mount installations |
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28 dB |
high performance GPS patch element from our WS3910 series |
8 mA, SAW filter |
mag. mount for vehicle install |
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WiFi |
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8 mA, SAW filter |
ideal for personal GPS applications including handheld computers and PDAs |
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25.5 dB |
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18 dB |
1 dB noise fig. |
2 mA, SAW filter |
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28 dB |
Low Price |
5 mA, SAW filter |
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encapsulatable |
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8 dB |
rugged, compact, all-plastic, non corrosive housing |
very low noise |
permanent mount vehicle / marine installations |
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30 dB |
low price |
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40 dB |
high gain |
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28 dB |
very compact, surface mount |
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28 dB |
0.8 dB noise fig. |
8 mA, SAW filter |
Built-in MCX connector. |
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18 dB |
1 dB noise fig. |
2 mA, SAW filter |
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Lband |
33 dB |
0.5 dB noise fig. |
8 mA |
Fleet grade GPS + Lband receive antenna |
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Globalstar STU |
3dBic |
External mount |
Simplex Modem |
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WS9161 | Globalstar STU | 3dBic | Embedded | Simplex Modem | ||
Wi-Sys WS3910: Unparalleled in quality and performance
The WS3910 Very Low Noise GPS Antenna has the industry’s lowest noise figure. It features ESD circuit protection, a patented very low noise LNA and a high rejection SAW filter. It also features a perfectly tuned custom ceramic patch element that minimizes detuning effects caused by adjacent objects. The WS3910 provides the clearest GPS signal reception while minimizing loss-of-lock in even in less than ideal conditions. Housed in a weatherproof magnetic or screw mount enclosure, the WS3910 Very Low Noise GPS Antenna is clearly the best choice wherever top GPS performance is required.
Wi-Sys WS3911-HR: “No Interference” GPS Antenna with Dual SAW High Rejection Filter
The WS3911-HR “No Interference” GPS Antenna with Dual SAW High Rejection Filter has the industry’s 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.
Wi-Sys WS3914: Low in power, high in quality
The WS3914 GPS antenna has the industryÕs lowest current specification. It operates on only 2 mA of current, setting a new standard. It features a patented very low noise LNA, a high rejection SAW filter and a perfectly tuned custom ceramic patch element that minimizes detuning effects caused by adjacent objects. The WS3914 provides the clearest GPS signal reception while minimizing loss-of-lock even in less than ideal conditions. Housed in a rugged weatherproof magnetic or screw mount enclosure, the WS3914 antenna is ideal for portable applications where low power operation is a necessity.
Wi-Sys WS3915-HR: Very Low Power “No Interference” GPS Antenna with Dual SAW High Rejection Filter
The WS3915-HR Very Low Power “No Interference” GPS Antenna has the industry’s lowest power consumption and best out-of-band filter performance. The WS3915-HR features ESD circuit protection, a patented very low power 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 WS3915-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 WS3915-HR is ideal for most demanding, power critical GPS applications.
Wi-Sys 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.
Wi-Sys WS3930 Quad-band Cellular + 3G Covert Antenna
The WS3930 Quad-band Cellular + 3G Covert Antenna provides exceptional signal reception across public 2G and 3G Cellular wireless networks, virtually everywhere in the word. The antenna is tuned to receive 824-894 MHz (cell), 890-960 MHz (GSM), 1710-1880 MHz (European), and 1850-1990 MHz (N. American) frequencies, as well as 1885-2200 MHz (US & Euro 3G/UMTS/W-CDMA) band. Housed in an ultra-thin, semi-flexible Lexan® covered urethane foam package for covert and dash-mount installations, the WS3930 Quad-band Cellular + 3G covert antenna is the perfect solution for cutting-edge TELEMATICS and M2M platforms.
Wi-Sys WS3938 Ultra Compact 2.4 GHz Embedded & Covert Mount Antenna
The WS3938 Ultra Compact 2.4 GHz Embedded & Covert Mount Antenna provides exceptional signal reception on the 2.4 GHz ISM band. The WS3938 is composed of an ultra compact semi-flexible coated PCB for embedded OEM applications and is also available with a Lexan® covered urethane foam package for dash and covert installations. The WS3938 antenna is ideal for cutting-edge TELEMATICS and M2M platforms.
Wi-Sys WS3942: Active GPS + Cellular magnetic mounted antenna
Designed to be the best performing combined GPS + Cellular antenna for telematics applications in the business. The WS3942 is a waterproof, magnet mount antenna using an active GPS antenna plus quarter wave cell element to provide peak gain and performance in GPS and cellular reception with no compromise. It features an RF protected, high performance GPS LNA with a mid band SAW to reject extraneous signals. Two models are available, the WS3942-A, tuned to the North-American 824-894 MHz and 1850-1990 MHz Cellular bands, and the WS3942-E, tuned to the European 890-960 MHz and 1710-1880 MHz Cellular bands.
Wi-Sys WS3947 GPS/Cell/3G/2.4 GHz Combined Covert/Dash or Glass Mount Antenna
The WS3947 GPS, Quad Cellular, 3G & 2.4 GHz ISM Band antenna is an excellent choice for Telematics systems requiring dependable and highly accurate positioning data, as well as clear and consistent host-to-vehicle communications via Quad band Cellular, 3G or 2.4 GHz ISM Band such as WiFi. The WS3947's GPS antenna portion has excellent LHCP rejection for less multi-path effects, and it includes a low noise amplifier and a narrow band SAW filter, to provide a consistent and clear GPS signal while minimizing loss-of-lock when GPS conditions are less than ideal. The Quad Cell/3G/2.4 GHz antenna portion is tuned to receive 824-894 MHz (cell), 890-960 MHz (GSM), 1710-1880 MHz (European), and 1850-1990 MHz (N. American), as well as 1885-2200 MHz (US & Euro 3G/UMTS/W-CDMA) and 2400-2500 MHz (2.4GHz ISM) frequencies.
Wi-Sys WS3948: GPS/WiFi Combined Antenna
The WS3948 is ideal for WiFi enabled Fleet-Monitoring applications. It features an active GPS antenna plus a 2.4 GHz omni-directional 802.11b/g WiFi antenna to provide peak gain and performance in GPS and WiFi reception with no compromise. It also features a RF protected, high performance GPS LNA with a mid-band SAW filter to reject extraneous signals. The WS3948 is housed in a waterproof, magnet mount or screw mount enclosure
Wi- Sys WS3951/WS3961 Very Low Noise Embedded GPS Antennas
The WS3951 / WS3961 Embedded GPS Antenna series has the industry’s lowest noise figure. It features a perfectly tuned custom ceramic patch element that minimizes detuning effects caused by adjacent objects. As well it features ESD circuit protection, a patented LNA (low noise amplifier) and a high rejection SAW filter which enable these antennas to provide a consistent, clear signal while minimizing loss-of-lock even when GPS conditions are less than ideal. The WS3951 comes in a compact square package and the WS3961 comes with a 45.2 mm diameter mini ground-plane.
Wi-Sys WS3951-HR/WS3961-HR “No Interference” Embedded GPS Antenna with Dual SAW High Rejection Filter
The WS3951-HR / WS3961-HR “No Interference” Embedded GPS Antennas with Dual SAW High Rejection Filter have the industry’s best out-of-band filter performance. These antennas feature a custom designed ceramic patch element that minimizes detuning effects caused by adjacent objects, ESD circuit protection, a patented two-stage low noise amplifier and a dual SAW high rejection filter. The WS3951- HR / WS3961-HR antennas provide the most consistent, clear GPS signal reception while minimizing loss-of-lock in high-RF fields. The WS3951 comes in a compact square package and the WS3961 comes with a 45.2 mm diameter mini ground-plane.
Wi-sys WS3955/WS3965 Very Low Current Embedded GPS Antennas
The WS3955 / WS3965 embedded GPS antenna series has the industry’s lowest current figure. The WS3955 / WS3965 series is ideal for personal GPS applications including Handsets, Ultra Mobile PCs, and PDAs. This series features a perfectly tuned custom ceramic patch element that minimizes detuning effects caused by adjacent objects. As well it features ESD circuit protection, the industry leading 1.3 mA low noise amplifier and a high rejection SAW filter which enable these antennas to provide a consistent, clear signal while minimizing loss-of-lock even when GPS conditions are less than ideal. The WS3955 comes in a compact square package and the WS3965 comes with a 45.2 mm diameter mini ground-plane.
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
The WS4051/WS4061 low noise OEM GPS Antenna series with built-in connector is unparalleled in quality and performance, and ideal for embedded OEM applications. The WS4051/WS4061 series features a custom designed ceramic patch element that minimizes detuning effects caused by adjacent objects, as well as a Low Noise Amplifier and a SAW filter that enable these antennas to provide a consistent, clear signal while minimizing loss-of-lock when GPS conditions are less than ideal. Both models come equipped with a MCX connector. The WS4051 comes in a very compact 25 mm square package and the WS4061 comes with a 45.2 mm dia. mini-ground plane
Wi-Sys WS3967-P - Encapsulatable GPS Antenna for Marine & Submarine Applications
The WS3967-P Encapsulatable GPS antenna is especially designed for embedding in potting compound. It features a custom de-tuned ceramic patch element to compensate for the potting compound’s detuning effect, as well as ESD circuit protection, a two stage low noise amplifier and a SAW filter, enabling the WS3967-P to provide great out-of-band signal rejection performance, consistent and clear signal while minimizing loss-of-lock. It also comes with a perforated RF shield for complete compound permeation and a 1.88" mini-ground plane for a sharper radiation pattern. The WS3967-P is the embedded GPS antenna of choice for marine, submarine and extreme weather technology OEMs.
The WS4055/WS4065 Low Current OEM GPS Antenna series with built-in connector is ideal for personal GPS applications including handheld computers and PDAs. With an industry leading 2mA current, and compact size, the WS4055/WS4065 series is perfectly suited for OEM applications. Performance is not sacrificed; the WS4055/WS4065 series features a custom designed ceramic patch element along with a low noise amplifier and SAW filter, enabling these antennas to provide a consistent, clear signal while minimizing loss-of-lock. Both models come equipped with a MCX connector. The WS4055 comes in a very compact 25 mm square package and the WS4065 comes with a 45.2 mm dia. mini-ground plane.
Wi-Sys WS3971 Low Noise Permanent Mount GPS Antenna

The WS3971 Low Noise Permanent Mount GPS Antenna has the industry’s lowest noise figure. It features a perfectly tuned custom ceramic patch element, ESD circuit protection, a patented very low noise dual stage LNA circuit and a high out-of-band rejection SAW filter. The WS3971 provides the clearest GPS signal reception while minimizing loss-of-lock even in less than ideal conditions. Available in an all-plastic, non-corrosive low profile package for mobile applications or with a black or white cone-shaped radome cover for fixed installations, the WS3971 permanent mount GPS antenna is the optimum choice for critical GPS applications.
Wi-Sys WS3971-HR Anti-jamming Permanent Mount GPS Antenna with dual SAW High Rejection Filter

The WS3971-HR Anti-jamming Permanent Mount GPS Antenna provides 28 dBs of gain and very high out-of-band rejection performance. It features a perfectly tuned custom ceramic patch element for maximum signal reception, a dual stage LNA circuit and a dual SAW out-of-band filter, enabling the WS3971-HR to provide the most reliable and clear GPS signal reception while minimizing loss-of- lock, even in high RF fields. Available in an all-plastic, non-corrosive low profile package for mobile applications or with a black or white cone-shaped radome cover for fixed installations, the WS3971- HR Anti-jamming permanent mount GPS antenna is the optimum choice for critical GPS applications with high RF fields.
Wi-Sys WS3977 Through-hole Mount GPS Antenna

The WS3977 permanent mount GPS Antenna provides 30 dBs of gain and great out-of-band rejection performance. It features a perfectly tuned custom ceramic patch element for maximum signal reception, 15KV ESD circuit protection, a dual-stage LNA circuit and a SAW out-of-band filter, enabling the WS3977 to provide a reliable and clear GPS signal while minimizing loss-of-lock, even when conditions are less than ideal. Available in an all-plastic, non-corrosive low profile package for vehicle mount, and with a black or white cone-shaped radome cover for fixed installations, the WS3977 permanent mount GPS Antenna is the optimum choice for GPS Tracking and Timing applications.
Wi-Sys WS3978 High Gain Permanent Mount GPS Antenna

The WS3978 high gain permanent mount GPS Antenna provides 40 dBs of gain and great high out-ofband rejection performance. It features a perfectly tuned custom ceramic patch element for maximum signal reception, ESD circuit protection, a very low noise (0.5 dB) 3 stage LNA circuit and a SAW filter, enabling the WS3978 to provide a reliable and clear GPS signal while minimizing loss-of-lock, even when conditions are less than ideal. Available in an all-plastic, non-corrosive low profile package for vehicle mount or with a cone-shaped radome cover for fixed installations, the WS3978 high gain permanent mount GPS Antenna is the optimum choice for GPS Tracking and Timing applications with long cable runs.
Wi-Sys WS3978-HR High Gain "No Interference" Permanent Mount GPS Antenna with dual SAW High Rejection Filter

The WS3978-HR High Gain "No Interference" Permanent Mount GPS Antenna provides 40 dBs of gain and very high out-of-band rejection performance. It features a perfectly tuned custom ceramic patch element for maximum signal reception, ESD circuit protection, a 3 stage LNA circuit and a dual SAW very high rejection out-of-band filter, enabling the WS3978-HR to provide most reliable and clear GPS signal reception while minimizing loss-of-lock, even in high RF fields. Available in an all-plastic, non-corrosive low profile package for vehicle mount or with a cone-shaped radome cover for fixed installations, the WS3978-HR high gain, high rejection permanent mount GPS antenna is the optimum choice for applications with high RF fields requiring long cable runs.
Wi-Sys WS3997 Low Profile Surface Mount GPS Antenna
The WS3997 surface mount GPS Antenna provides very high performance in a very small form factor. It features a custom designed ceramic patch element that minimizes detuning effects caused by adjacent objects. This element, along with a low noise amplifier and SAW filter, enables the WS3997 to provide a consistent, clear signal while minimizing loss-of-lock when GPS conditions are less than ideal. The WS3997 is housed in a very compact all-plastic, non-corrosive low profile package. Designed for permanent mount installations, the WS3997's thru surface connector provides the lowest in-vehicle profile. Truly is the optimum choice for dependable, clear and consistent GPS signal reception. The WS3997 comes with a MCX jack connector, and a flying cable option is also available.
Wi-Sys WS1357 13 mm x 13 mm x 5.8 mm Ultra Compact Embedded GPS Antenna
The Ultra Compact WS1357 Embedded GPS antenna is most ideal for GPS Enabled mobile phones, PDAs, laptops and portable GPS Handhelds. The WS1357 antenna series features a 13 mm x 13 mm x 4 mm ceramic patch element, ESD circuit protection, a low noise amplifier and a SAW filter, enabling the WS1357 series to provide great out-of-band signal rejection performance, consistent and clear signal while minimizing loss-of-lock in an extremely small form factor. With its very compact 13 mm x 13mm x 5.8 mm dimensions, the WS1357 antenna series is perfectly suited for OEM applications.
Wi-Sys WS1857 18 mm x 18mm x 7 mm Very Compact Embedded GPS Antenna
The Very Compact WS1857 Embedded GPS antenna is ideal for GPS Enabled mobile phones, PDAs, laptops and portable GPS Handhelds. The WS1857 antenna features a 18 mm x 18 mm x 4 mm ceramic patch element, ESD circuit protection, a two stage low noise amplifier and a SAW filter, enabling the WS1857 to provide great out-of-band signal rejection performance, consistent and clear signal while minimizing loss-of-lock in a very small form factor. With its very compact 18 mm x 18 mm x 7 mm dimensions, the WS1857 antenna is perfectly suited for OEM applications.
Wi-Sys WS9010 Lband + GPS Antenna
The WS9010 is an L band (receive) + GPS L1 antenna, suitable for Precision / SBAS (DGPS) applications such as Transportation and Agriculture Positioning Equipment. It features a large dual-feed low loss patch antenna, 15KV ESD circuit protection, a high gain two-stage low noise amplifier (LNA) and a ceramic filter. The WS9010 is a high performance wideband antenna, covering both the L-band downlink frequency band (1530 to 1560 MHz) and the GPS L1 frequency band (1574 to 1576 MHz). It is available in a fleet-grade low profile, weatherproof magnetic or screw mount enclosure, with a bulkhead SMA connector or with a flying lead, and also available un-housed for embedded OEM applications.
Wi-Sys WS9111 Globalstar™ Simplex Transmitter Unit Magnet Mount Antenna
The WS9111 is a high performance passive 1615MHz, LHCP antenna, specifically designed and approved to operate with the GlobalstarTM Simplex Modem. It features a precisely tuned custom ceramic patch antenna element and a matching network. The WS9111 antenna is enclosed in a rugged, fully weatherproof housing that allows the STU to be mounted away from the elements, yet fully meeting Globalstar’s radiated power requirements. Its top cover (radome) is composed of high-grade GE plastic and the zinc base is equipped with both screw holes and magnets for ease of installation. The antenna comes standard with 75 cm of high quality Shikoku coaxial cable and with a SMA male connector.
Wi-Sys WS9161 Embedded Globalstar™ Simplex Transmitter Unit Antenna
The WS9161 is a high performance passive 1615MHz, LHCP embedded antenna, specifically designed and approved to operate with the Globalstar™ Simplex Modem. It features a precisely tuned custom ceramic patch antenna element and a perfectly matched RF network. It has a compact form factor with a built in 45.2 mm diameter ground-plane, which allows the WS9161 antenna to be easily embedded in all sorts of OEM enclosures, yet fully meeting Globalstar’s radiated power requirements. The antenna comes standard with 15 cm of RG174 coaxial cable and a MCX right angle male connector.
