SIMCom presents a small, high performance and reliable 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.
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Mechanical data
•Dimensions 10.1*9.7*2.5mm
•Weight 0.5g
Features
•Support EPOTM orbit prediction
•Support EASYTM self-generated orbit prediction
•Support Jamming Removing
•Low-noise amplifier has been integrated
Electrical data
•Power supply 2.8~4.3V
•Backup power 2.0~4.3V
•Power consumption
Acquisition 17mA
Tracking 16mA
Backup 8uA
•Antenna type Active and passive
•Antenna power External
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Interfaces
•Serial interfaces
•Digital I/O
UART
GPIO
TIMEMARK (PPS)
•Protocols
NMEA
PMTK
Performance data
•Receiver type:22 tracking/66 acquisitionchannel GPS receiver
•Max update rate 5Hz
•Sensitivity1
Tracking:-165 dBm
Reacquisition:-160 dBm
Cold starts:-148 dBm
•Time-To-First-Fix2
Cold starts 32 s (typical)
Warm starts 3s
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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Certifications
• RoHS\REACH\CE(RED)
Support product
•SIM68 EVB KIT with USB V2.0 full speed interface
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1.Demonstrated in liberary
2.All SV @ –130 dBm
3.50% 24 hr static, -130dBm
4.50%@ 30m/s
5. @3.3V with a passive antenna
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