SIMCom presents a high performance and reliable assisted GPS module-SIM28. This is a standalone L1 frequency GPS module in a SMT type with MTK high sensitivity navigation engine, which allows you to achieve the industry’s highest levels of sensitivity, accuracy, and Time-to-First-Fix (TTFF) with lowest power consumption.
Mechanical data
•Dimensions: 16*12.2*2.4mm •Weight: 1g
Features
•Support EASY self-generated orbit prediction •Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS) •Support EPO orbit prediction
Interfaces
•Serial interfaces UART, SPI / I²C •Digital I/O EINT0 input GPIO Pulse-per-second (PPS) •Protocols -NMEA -PMTK
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Support product
•SIM28 EVB KIT with USB V2.0 full speed interface
Electrical data
•Power supply 2.9V~3.6V •Backup power 3.0V(typical) •Power consumption - Acquisition: 23 mA - Tracking: 17mA - Always Locate 3 mW •Antenna type Active and Passive •Antenna power External or internal VCC_RF Certificate
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Performance data
•Receiver type 22 tracking/66 acquisition-channel GPS receiver GPS L1, C/A Code
•Max. update rate 10Hz •Sensitivity Tracking:-165 dBm Reacquisition: -160 dBm Cold starts: -147 dBm •Time-To-First-Fix Cold starts with EASY:13 s Warm starts with EASY: 1~2s Cold starts: 33s Cold starts with EPO Assist:13 s Hot starts: <1s •Accuracy Automatic Position: 2.5m CEP EPO 30days DATA: 1.99m Speed:0.1m/s •Operation temperature: -40℃~+85 ℃
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