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 |
