Wireless Modules GPS Module

SIM28

  • SMT
  • Serial interface
  • GNSS
  • GNSS
SIM28 Introduction

SIMCom presents a high performance and reliable assisted GPS module-SIM28. It is in a SMT type with MTK mature GPS only navigation engine, which allows you to achieve the industry’s high levels of accuracy and Time-to-First-Fix (TTFF) with lowest power consumption.
 

Details
Mechanical data
• Dimensions: 16*12.2*2.4mm
• Weight: 1g

Features
• Support EASYTM self-generated orbit prediction
• Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)
• Support EPOTM orbit prediction
• Support Jamming removing function
• Low-noise amplifier has been integrated

Interfaces
• Serial interfaces
- UART
- SPI/I2C
• Digital I/O
- TIMEMARK output
- EINT0 input
- GPIO
• Protocols
- NMEA
- PMTK

Support evaluation products
• SIM28-TE
• SIM28EVB KIT with USB V2.0 full speed interface

Electrical data
• Power supply: +2.8V ~4.3V
• Backup power: +2.3V ~4.3V
• Power  consumption2,5
- Acquisition:  24mA
- Tracking:  19mA
- Standby mode:  <200μA
• Antenna type
- Active and Passive
• Antenna power
- External or internal
- VCC_RF
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:  -147 dBm
• Time-To-First-Fix2
- Cold starts with EASY:  13s
- Warm starts with EASY:  1~2s
- Cold starts:  32s
- Cold starts with EPO Assist:  12.5s
- Hot starts:  <1s
• Accuracy
- Automatic Position3:  2.5m CEP
- Speed4:   0.1m/s
- Timing:   10ns
• Operation temperature:  -40℃~+85 ℃

Certifications
• CE
• Rohs
• REACH


————————————————————
1.Demonstrated with a good active antenna
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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