Ultra Compact Embedded GPS Antenna

pdf data sheet

application note

Features

2.7 to 5 V operation
Available with built-in ground plane (WS1367)
Low power 18dB design also available (WS1356)
Optional cable types and lengths available
Other connector types available
Ideal for embedded applications
Low price

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.

Designed for easy integration into OEM handheld platforms, the WS1357 antenna integrates a highly robust ESD protection circuit, a low-noise amplifier to ensure a reliable and clear signal for the GPS receiver even in difficult conditions, as well as a SAW filter for even greater performance for hand held telematics applications where out-of-band signal rejection is required.

Applications

GPS Enabled Mobile Phones, PDAs & Laptops
Portable GPS Handhelds
GPS enabled M2M
Military and Law Enforcement Radios
GPS Enabled Offender Monitoring Systems
Asset Tracking Equipment
Automotive & Marine Navigation Systems

Technical Specifications

Environmental Specifications	temperature	Operating: -40c to +85c (-45c to +85c storage)
Environmental Specifications	humidity	95% max (non condensing)
Mechanical	dimensions	13 mm x 13 mm x 5.8 mm
	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	0.5 dBic
	polarization	Right Hand Circular
	axial ratio	@ 90° 4 dB @ 20° 6 dB
Electrical	voltage	2.7 - 5 VDC
	current	15 mA @ 5V, 9 mA @ 3.3V
	connector	H.FL, other connector types available
	cable	1.5 mm dia. CO-6F.FH-SB cable
	cable length	15 cm (6"), other lengths available
LNA Specifications	frequency	1572.5 - 1578 MHz
	output impedance	50 Ohm
	VSWR	1.5:1 max (at connector)
	gain	@ 3.3VDC: 28 dB (typical) @ 5VDC: 30 dB (typical)
	noise figure	1.5 dB (typical)
	out-of-band rejection	+/- 15 MHz: 5 dB +/- 20 MHz: 10 dB +/- 30 MHz: 32 dB +/- 40 MHz: 40 dB

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