SIMCom SIM28ML

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SIM28ML

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SIMCom SIM28ML
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Product description

SIMCom presents a small, high performance and reliable assisted GPS module-SIM28ML. 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 EPOTM orbit prediction
•Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)
•Support Jamming Removing
•Low-noise amplifier has been integrated

Interfaces

•Serial interfaces
•Digital I/O        
-UART
-GPIO
-TIMEMARK (PPS)
•Protocols  
 
-NMEA
-PMTK

Support product

•SIM68 EVB KIT with USB V2.0 full speed interface


Performance data

•Receiver type: 22 tracking/66 acquisition
- channel GPS receiver
- GPS L1, C/A Code
•Max update rate 5Hz
•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 2.8~4.3V
•Backup power 2.0V~4.3V
•Power consumption2,5
     Acquisition  17mA
     Tracking  16mA
     Backup  8uA
•Antenna type Active and passive
•Antenna power External
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