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GNSS LC79D series

  • Dual-band GNSS module
  • 10.1mm × 9.7mm × 2.4mm
  • 0.42g
  • GPS, GLONASS, BeiDou, Galileo, IRNSS and QZSS
  • Operating temperature of -40°C to +85°C
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  • LC79D (A) LC79D (B)
    GNSS FEATURES
    SUPPORTED BANDS GPS L1 C/A, Galileo E1, QZSS L1: 1575.42MHz
    GPS L5, Galileo E5a, QZSS L5: 1176.45MHz
    IRNSS L5: 1176.45MHz
    GLONASS L1: 1602.5625MHz
    BeiDou B1: 1561.098MHz    		 GPS L1 C/A, Galileo E1, QZSS L1: 1575.42MHz
    GPS L5, Galileo E5a, QZSS L5: 1176.45MHz
    IRNSS L5: 1176.45MHz
    GLONASS L1: 1602.5625MHz
    BeiDou B1: 1561.098MHz
    GNSS GPS+BeiDou+GLONASS+Galileo+QZSS+IRNSS GPS+BeiDou+GLONASS+Galileo+QZSS+IRNSS
    CHANNELS 32 Channels 32 Channels
    HORIZONTAL POSITION ACCURACY Autonomous: <1.2m CEP Autonomous: <1.2m CEP ①
    VELOCITY ACCURACY Without Aid: <0.1m/s Without Aid: <0.1m/s ①
    ACCELERATION ACCURACY Without Aid: <0.1m/s² Without Aid: <0.1m/s² ①
    TTFF (with AGNSS) Cold Start: <5s Cold Start: <5s ①
    TTFF (without AGNSS) Cold Start: <34s
    Warm Start: <30s
    Hot Start: <2s    		 Cold Start: <34s ①
    Warm Start: <30s ①
    Hot Start: <2s*
    SENSITIVITY Acquisition: -147dBm
    Tracking: -163dBm
    Reacquisition: -158dBm    		 Acquisition: -147dBm
    ① Tracking: -163dBm
    ① Reacquisition: -158dBm ①
    DYNAMIC PERFORMANCE Maximum Altitude: Max 18000m
    Maximum Velocity: Max 515m/s
    Maximum Acceleration: 4g    		 Maximum Altitude: Max 18000m
    Maximum Velocity: Max 515m/s
    Maximum Acceleration: 4g
    CERTIFICATIONS
    REGULATORY CE CE
    OTHERS RoHS RoHS
    LC79D (A) LC79D (B)

Key Features

  • Supports dual GNSS bands (L1 and L5)
  • Supports AGNSS
  • Built-in LNA
  • 28nm process technology
  • Supports UART and I2C interfaces
  • Supports SDK commands developed by Quectel
  • Supports UDR (untethered dead reckoning), using an external IMU

Overview

The LC79D is an ultra-compact, AIS-140 compliant GNSS module measuring 10.1mm × 9.7mm × 2.4mm, which features a concurrent multi-constellation GNSS receiver on dual GNSS bands.

The module supports L1 and L5 bands for GPS, Galileo, GLONASS , BeiDou IRNSS and QZSS. This increases the number of satellites which can be involved in tracking and positioning, thereby significantly reducing the multipath effect from tall buildings in dense urban environments, reducing signal acquisition time and improving positioning accuracy. In addition to this the module’s on-board LNAs and SAW filters serve to ensure better positioning in weak signal areas and harsh environments.

The LC79D’s advanced power management and 28nm process technology makes the module ideal for power-sensitive and battery-powered systems. The module’s combination of compact design, low power consumption and high performance makes it a popular choice for real-time tracking systems for vehicles, people and assets, as well as for sharing economy applications.

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