SIMCom Wireless Solutions SIM68D GNSS module

SIM68D is a high performance and reliable GNSS module. It is a standalone L1 + L5 dual-band GNSS module in an LCC type with AIROHA's high sensitivity navigation engine, which allows customers to achieve the industry's highest level sensitivity, accuracy, and Time-to-First-Fix (TTFF) with lower power consumption.

Key features

• L1 and L5 dual-band GNSS receiver
• Support for EASY™ self-generated orbit prediction
• Support for EPO™ orbit prediction
• Support for SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)

Additional features

• L1: BeiDou/GPS/GLONASS/Galileo/QZSS
• L5: BeiDou/GPS/Galileo/QZSS
• EASY™ self-generated orbit prediction
• EPO™ orbit prediction
• SBAS ranging (WAAS, EGNOS, GAGAN, MSAS)
• Jamming elimination
• Integrated low-noise amplifier
• DGPS (RTCM)
• Indoor and outdoor multi-path detection and compensation
• LOCUSTM logger function

Performance data:

• Receiver:
  • L1: 75 SVs; L5: 60 SVs
  • Max. update rate: 10 Hz
• Sensitivity (tested in a lab environment):
  • Tracking : -166 dBm
  • Reacquisition : -160 dBm
  • Cold starts : -148 dBm
• Time-To-First Fix (all SV at –130 dBm, GPS & GLONASS mode):
  • Cold start: 27 s
  • Warm start: 25 s
  • Hot start: less than 1 s
  • EPO Assist: 13 s
• Accuracy:
  • Automatic Position (50% 24 hr static, -130 dBm,GPS & GLONASS mode): 1.5 m
• Operation temperature: -40...85 °C 

Interfaces:

• Serial interfaces:
  • UART, SPI, I²C
• Digital I/O:
  • Pulse-per-second (PPS)
  • EINT0 input
•  Protocols:
  • NMEA, PMTK 

Electrical data:

• Power supply: 2.8...4.3 V
• Backup power: 2.3...4.6 V
• Power consumption (3.3 V, passive antenna):
  • Acquisition: 23.3 mA
  • Tracking: 23.9 mA
  • Sleep current: 340 μA
  • Backup: 78 μA
• Antenna type: active and passive
• Antenna power: external or internal VCC_RF

Mechanical data:

• Dimensions: 16 x 12.2 x 2.4 mm
• Weight: 1 g

Applications

• Smart Industry
• Smart payment
• Environment monitor
• Tracker