SIMCom Wireless Solutions (“SIMCom”) launched a new module SIMCom® SIM68TM. SIM68 is a GNSS module in a SMT type which can be embedded in the customer applications.
SIM68 is a GNSS module compatible with GPS/Galileo/QZSS and Glonass systems in a SMT type . It is designed with ST’s high sensitivity navigation engine, which allows you to achieves high levels of sensitivity, accuracy, and Time-to-First-Fix (TTFF). 

Mechanical data
*Dimensions: 15*13*2.4mm
*Weight: 1g
*Package: 34pin LCC

*Serial interfaces 3UART, SPI ,USB,2CAN,I²C      

*Digital I/O  STDBYN input
      STDBYOUT output
      Pulse-pre-second (PPS)  output
*Analog I/O   2ADC input 
*Protocols     NMEA 

Prformance data
*Receiver type  32 tracking channel and 2 fast acquisition channel compatible with  GPS ,Galileo ,QZSS and Glonass systems

*Max update rate  10Hz
     Tracking     -162dBm
     Navigation   -160dBm     
     Cold starts  -148dBm
      Cold starts     35s
      Warm starts   24s
      Hot starts       1s      
 Automatic Position4   1.5m CEP       
*Operation temperature     -40℃ to +85 ℃
*Storage temperature        -45℃ to +125 ℃

Electrical data
*Power supply      3.0V  to 3.6V
*Power consumption2,5
     -Acquisition    100mA
     -Tracking        65mA
     -Backup        100uA
*Antenna type        Active and passive     
*Antenna power       External

Support product
*SIM68 EVB KIT with USB V2.0 full speed interface

1.Autonomous  ST-AGPS mode
2.Demonstrated in lab
3.All SV @ –130 dBm
4.50% 24 hr static, -130dBm
5. @3.3V with a passive antenna



Document download
  • Application Note
  • SIM68_EVB kit_User Guide_V1.01.pdfDownload
  • SIM68_Hardware Design_V1.01.pdfDownload
  • SIM68_NMEA_Specification_V1.00.pdfDownload
  • SIM68_Specification_V1204.PDFDownload