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Products-GSM/GPRS Module-SIM18 Module
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SIM18

SIMCom presents an ultra compact and reliable GPS module-SIM18. This is a standalone L1 frequency GPS module in a SMT type and it is designed with SiRF4 high sensitivity navigation engine, which allows you to benefit from small dimensions and cost-effective solutions.

Mechanical data
*Dimensions: 11*11*2.2mm
*Weight: 0.5g

Interfaces
*Serial interfaces UART, SPI or I2C Additional master mode I2C
*Digital I/O
  -1 NReset
                  -1 EINT0 input 
                  -1 ON_OFF input 
                  -1 WAKEUP output 
                  -1 time pulse
*Protocols NMEA, OSP

Performance data
*Receiver type       48-channel SiRF4 engine
                           GPS L1, C/A Code
*Max. update rate   1Hz
*Sensitivity1 
         -Tracking: -161 dBm 
         -Reacquisition: -160 dBm 
         -Cold starts: -147 dBm
*Time-To-First-Fix2 
         -Cold starts: 35 s (typical) 
         -Hot starts: 0.6 s (typical)
* Accuracy 
          -Position3: 2.5m CEP
*Speed4:     <0.01m/s
*Operational limits 
          -Velocity: <1850km/h 
          -Altitude: <18288km
*Operation temperature: -40 'C to +85 'C

Electrical data
*Power supply 1.71V to 1.89V
*Backup power 1.71V to 1.89V
*Power consumption2,5 
         -Acquisition 45mA (average) 
         -Tracking 40mA (average) 
         -Sleep 18uA(average)
*Antenna type Active and passive
*Antenna power External or internal VCC_ANT

Support product
*SIM18 EVB KIT with USB V2.0 full speed interface

Certificate
*CE

1.Demonstrated with a good active antenna
2.All SV @ –130 dBm
3.50% 24 hr static, -130dBm
4.50%@ 30m/s
5.@1.8V with a passive antenna