DeLorme Earthmate LT-40 Technical Specifications

Earthmate
Technical Specifications
NMEA-compliant 16-channel receiver
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WAAS-enabled (SBAS)
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Low-power baseband and RF chip set (RF chip based on the ultra-low-power silicon-germanium BiCMOS process)
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Cold start (avg.): 39 seconds
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Warm start (avg.): 34 seconds
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Hot start (avg.): < 3 seconds
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Supply requirements: 90mA (through USB connector)
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Maximum Velocity: 1000 knots
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Advanced high-sensitivity algorithms for superior tracking in urban environments
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Initial acquisition sensitivity down to -149dBm
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Weak signal tracking down to -159dBm
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Proprietary Kalman filter for enhanced position accuracy
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Superior noise rejection for high EMI environments
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STMicroelectronics new high-sensitivity chipset featuring DeLorme ConstantLock™ technologies for
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outstanding time-to-first-fix and signal-retention performance
Environmental Characteristics
Operating temperature range -40° C to +85° C
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Storage temperature range -55° C to +100° C
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GPS LT-40
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