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SIMCom presents a high performance host-based GPS module-SIM08, It cooperates with SIM900 module in offering best-in-class acquisition sensitivity, tracking sensitivity, Time-To-First-Fix, accuracy and ultra-low power consumption, allowing you to benefit from small dimensions and cost-effective solutions.
Mechanical data
*Dimensions: 11.5*9.5*2.3mm
*16 SMT pads (castellation). 1.2mm pitch
*Weight: 0.4g
Interfaces
*Serial interfaces Work with SIM900 over SPI
*Digital I/O PWR_CTL
NRESET
*Protocols NMEA0183
Performance data
* Receiver type
- 42-channel
- GPS L1 C/A code
- High-performance STE engine
*Max. update rate: 1 Hz
*Sensitivity1
- Tracking: -160 dBm
- Reacquisition: -150 dBm
- Cold starts: -143 dBm
*Time-To-First-Fix2
- Cold starts: 40s (typ.)
- Hot starts: 3s (typ.)
*Accuracy
- Horizontal position3: <2.5m CEP
*Operation temperature: -40°C to +85 °C
Electrical data
*Power supply: 3.0 ~ 4.5V
*Power consumption4
- Acquisition 47mA
- Tracking 45mA
*Antenna type: Active and passive
*Antenna power: External or internal
Support tool
*SIM08 EVB KIT
Application Scenario
*Scenario 1: MCU+SIM08+SIM900
*Scenario 2: SIM08+SIM900+Embedded AT
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1．Demonstrated with a good active antenna
2．All SV @ –130 dBm
3．50% 24 hr static, -130dBm
4．Test with a passive antenna
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