SIMCom presents a small, high performance and reliable assisted GPS module-SIM28M. This is a standalone L1 frequency GPS module in a SMT type and it is designed with MTK high sensitivity navigation engine, which allows you to achieves the industry’s highest levels of sensitivity, accuracy, and Time-to-First-Fix (TTFF) with lowest power consumption.
Mechanical data •Dimensions: 10.1*9.7*2.5mm •Weight: 0.5g
Features
•Support EASYTM self-generated orbit prediction •Support EPOTM orbit prediction •Support AGPS •Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS) •Support Jamming Removing •Low-noise amplifier has been integrated
Interfaces
•Serial interfaces UART •Digital I/O GPIO TIMEMARK (PPS) •Protocols -NMEA -PMTK -PSIM
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Performance data
•Receiver type: 22 tracking/66 acquisition- channel GPS receiver GPS L1, C/A Code •Max update rate 10Hz •Sensitivity1 Tracking: -165 dBm Reacquisition -160 dBm Cold starts: -148 dBm •Time-To-First-Fix2 Cold starts 32s (typical) Warm starts 30s Hot starts <1s EPO Assist 13s(CTTFF) •Accuracy Automatic Position3 2.5m CEP Speed4 0.1m/s •Operation temperature -40℃~+85 ℃
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Electrical data
•Power supply 2.8V~4.3V •Backup power 2.0 V~4.3V •Power consumption2,5 Acquisition 17mA Tracking 16mA Backup 8uA •Antenna type Active and passive •Antenna power External
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