Wireless Modules GPS Module

SIM28M

  • SMT
  • Serial interface
  • GNSS
SIM28M Introduction

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.
 

Details
Mechanical data
• Dimensions: 10.1*9.7*2.5 mm
• 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 function
• Low-noise amplifier has been integrated

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

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

Electrical data
• Power supply: +2.8V ~4.3V
• Backup power: +2.0V ~4.3V
•  Power consumption2,5
- Acquisition:  17mA
- Tracking:  16mA
- Backup:  8μA
• Antenna type
- Active and Passive
• Antenna power
- External or internal
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
- Warm starts:  30s
- Hot starts:  <1s
- EPO Assist:  13s (CTTFF)
• Accuracy
- Automatic Position3:  2.5m CEP
- Speed4:   0.1m/s
- Timing:   10ns
• Operation temperature:  -40℃~+85 ℃

Certificate
• CE




————————————————————
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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