无线模块 GPS

SIM28

  • SMT
  • Serial interface
  • GNSS
SIM28 简介

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. 

 

                                                 

 

详情

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: -165dBm
- Reacquisition: -160dBm
- 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
 

 

文档下载