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GPS Module SIM28

Dimension: 16*12.2*2.4mm

Main Feature:  MTK chip, high performance, low power consumption

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  • Introduce
  • Details

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. 

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

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