SIMCom SIM28M

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SIM28M

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SIMCom SIM28M
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Product description

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.

Technical specifications

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

 

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 ℃

 

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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