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Introduction

The LR9450 is a highly sensitive and compact GPS mouse with low power consumption.

Built with SiRFStarIII™ architecture and USB interface it can be used in a variety of applications, in laptops or PDAs. Non-slip underneath with a magnetic mounting, it is easy to place on top of a vehicle to fix positioning. Even on rainy days the LR9450’s certified waterproof configuration (IPX6) ensures perfect functionality.

Features

Hardware and Software

l Based on the high performance features of the SiRF Star III single chip

l Built-in high gain amplifier and bandpass filter

l RoHS compliant (lead-free)

l Dimension: 60x60x19 mm

l Hardware compatible with SiRF GSC3x software

l SBAS (WAAS and EGNOS) support

Performance

l Cold / Warm / Hot Start Time: 42 / 35 / 1 seconds

l Reacquisition Time: 0.1 second

l RF Metal Shield for best performance in noisy environments

l Multi-path Mitigation Hardware

Interface

l USB port for GPS communications interface

l Protocol: NMEA-0183 / SiRF Binary (default NMEA)

l Baud Rate: default 4800 bps

Technical Specifications

Feature	Content	Description
Chipset	GSC3f Series	SiRFStarIII GSC3-7979
General	Frequency	L1, 1575.42 MHz
	C/A code	1.023 MHz chip rate
	Channels	20
Accuracy	Position	Autonomous : < 2.5 meters
	Position	SBAS : < 2.0 meters
	Velocity	Speed: < 0.01 meters/second
	Velocity	Heading: < 0.01°
Datum	Default	WGS-84
Datum	Other	selectable for other Datum
Time to First Fix ( TTFF )¹	Reacquisition	0.1 sec., average
	Hot start	1 sec., average typical TTFF
	Warm start	35 sec., average typical TTFF
	Cold start	42 sec., average typical TTFF
Dynamic Conditions	Altitude	18,000 meters (60,000 feet) max.
	Velocity	515 meters/second (1000 knots) max.
	Acceleration	4g, max.
Power	Main power	5 VDC
	Power consumption	340 mW (continuous mode)
	Supply Current	68 mA
I/O Interface	Data interface	USB interface.
I/O Interface	Protocol messages	NMEA-0183@4800 bps (Default)