SIMCom Wireless Solutions Co.,Ltd.

   
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SIM28M

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GPS Module

 

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.

 

Product details

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 acquisitionchannel 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 32 s (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 ℃
 
Support product
•SIM68 EVB KIT with USB V2.0 full speed interface
 
Electrical data
•Power supply 2.8~4.3V
•Backup power 2.0 V~4.3V 
•Power consumption2,5
Acquisition 17mA 
Tracking 16mA 
Backup 8uA
•Antenna type Active and passive
•Antenna power External
 
Certificate
•CE(in plan)
 
 
————————————————————
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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