Key attributes

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 consumption^2,5-Acquisition 45mA (average)
-Tracking 40mA (average)
-Sleep 18μA(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
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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