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CHT-634 is ChengHolin GPS Module, is GPS receiver for car Navigation , PDA, mobile. |
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CHT-634 consists of RF & BB(Single chip), LNA, SAW filter,TCXO etc. |
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This module is small size, high performance and high reliability. |
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It provides fast positioning while consuming low power. The CHT-634
module provides navigation information to the PDA or PC at NMEA
protocol . This module is very fit to the customers who devote
themselves to AVL system integration and location-based service. |
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Tests 8 million time-frequency hypothesis per sec |
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Open sky cold start 29 second |
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Signal detection better than -161dBm |
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Reacquisition sensitivity –155dBm |
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Accuracy 2.5m CEP |
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~23mA in tracking and navigation mode |
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Multipath detection and suppression |
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Supports active or passive antenna |
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