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Earthmate

®

 GPS LT-40

Technical Specifications

 

NMEA-compliant 16-channel receiver

 

WAAS-enabled (SBAS)

 

Low-power baseband and RF chip set (RF chip based on the ultra-low-power silicon-germanium BiCMOS process)

 

Cold start (avg.): 39 seconds

 

Warm start (avg.): 34 seconds

 

Hot start (avg.): < 3 seconds

 

Supply requirements: 90mA (through USB connector)

 

Maximum Velocity: 1000 knots

 

Advanced high-sensitivity algorithms for superior tracking in urban environments

 

Initial acquisition sensitivity down to -149dBm

 

Weak signal tracking down to -159dBm

 

Proprietary Kalman filter for enhanced position accuracy

 

Superior noise rejection for high EMI environments

 

STMicroelectronics new high-sensitivity chipset featuring DeLorme ConstantLock™ technologies for

outstanding time-to-first-fix and signal-retention performance

Environmental Characteristics

 

Operating temperature range -40° C to +85° C

 

Storage temperature range -55° C to +100° C

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