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GlobalTop Technology, Your RF and GPS ODM Solution Provider, is one of the top professional GPS and RF ODM solution providers. strive to service those who want to integrate GPS and RF technology with convenience and ease. it is Gtop sole philosophy to provide complete and innovative RF ODM solutions at a competitive price, and also offering a comprehensive service experience for other technicians in overcoming difficult hurdles during their system design processes.
GTop GPS modules are suitable for variety of devices that meet high volume productions, offer advantages in size, power consumption, and signal receptions over competitors. Inside each and every GPS module you’ll not only find quality SAW and LNA components that ensure the highest of sensitivity, but also a special component that is very crucial to the success of integration services.
Gtop’s modules have been successfully integrated into various major brands of AVL (automatic vehicle locator), GPS receiver, logger, and GSM/GPRS tracking solutions.

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	Features Based on MediaTek Single Chip Architecture. Dimension：13mm x 10mm x 2.1mm L1 Frequency, C/A code, 66 channels High Sensitivity：Up to -165dBm tracking, superior urban performances Position Accuracy：< 3m CEP (50%) without SA (horizontal) Cold Start is under 35 seconds (Typical) Warm Start is under 34 seconds (Typical) Hot Start is under 1 second (Typical) Low Power Consumption：48mA @ acquisition, 37mA @ tracking Low shut-down current consumption：20uA, typical DGPS(WAAS, EGNOS, MSAS) support (optional by firmware) USB/UART Interface Support AGPS function (Offline mode : EPO valid up to 14 days)
	Features Based on MediaTek Single Chip Architecture. Dimension：11.5mm x 13mm x 1.9mm Low power consumption：55mA @ acquisition，30mA @ tracking L1 Frequency, C/A code, 51 channels High Sensitivity：Up to -158 dBm tracking, superior urban performances Position Accuracy：< 3m CEP (50%) without SA (horizontal) Cold Start is under 36 seconds (Typical) Warm Start is under 33 seconds (Typical) Hot Start is under 1 second (Typical)
	Features Based on MediaTek Single Chip Architecture. Dimension：16mm x 16mm x 6mm L1 Frequency, C/A code, 66 channels High Sensitivity：Up to -165dBm tracking, superior urban performances Position Accuracy：< 3m CEP (50%) without SA (horizontal) Cold Start is under 35 seconds (Typical) Warm Start is under 34 seconds (Typical) Hot Start is under 1 second (Typical) Low Power Consumption：48mA @ acquisition, 37mA @ tracking Low shut-down current consumption：15uA, typical DGPS(WAAS, EGNOS, MSAS) support (optional by firmware) USB/UART Interface Support AGPS function (Offline mode : EPO valid up to 14 days)