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GNSS LG77L series

  • GNSS module
  • 7.0 mm × 7.0 mm × 2.0 mm
  • 0.2g
  • GPS, GLONASS, Galileo (only supported by LG77L (C)), BDS and QZSS
  • Operating temperature range of -40°C to +85°C
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Key features

  • Supports anti-jamming technology and a multi-tone active interference canceller
  • Multiple low-power modes ensure ultra-low power consumption
  • Supports UART and I2C interfaces
  • Maximum update rate: up to 10Hz
  • Supports SDK commands developed by Quectel
  • Supports AGNSS

Overview

Quectel LG77L series GNSS module is a single-band multi-constellation module, which can acquire and track any mix of GPS, GLONASS, Galileo, BDS and QZSS. It also supports multiple SBAS signals. Compared with single constellation receivers, by enabling multiple GNSS constellations, the LG77L series module increases the number of visible satellites, reduces the time to first fix, and improves positioning accuracy, especially in dense urban canyons.

By integrating EASY (Embedded Assist System), an advanced AGNSS feature, and GLP (GNSS Low Power), the LG77L series module achieves a combination of high performance and low power consumption, meeting industrial standards. The EASY technology enables automatic orbit calculation and prediction using ephemeris data stored in the internal RAM for up to 3 days. In addition, the module supports downloading orbit prediction data for up to 30 days through EPO technology. As a result, the LG77L series can fix a position quickly, even under low signal levels, while maintaining low power consumption. Furthermore, the GLP technology enables adaptive adjustment of the on/off time based on the environmental and motion conditions, striking a balance between positioning accuracy and power consumption.

The low power consumption significantly extends the battery life of wearable products and tracking devices, such as smart watches, pet trackers, small portable goods trackers, anti-theft devices, student ID cards and elderly frail care devices. With its enhanced performance, the LG77L series module is ideal for industrial PDA, consumer and industry applications, such as, electronic dog collars, shared bicycles, electric motorcycle tracking devices, asset tracking devices, and fleet management systems.

Simplify deployment by sourcing antennas at the same time as your modules – see our wide range here

Product Brochure

Quectel-Product-Brochure-V7.7.pdf

Download

Documentation and resources

  • Quectel_LG77L_EVB_User_Guide_V1.0

    2.51 MB

  • Quectel_LG77L(C)&Lx0&Lx6&LC86L_Series_GNSS_Protocol_Specification_V2.2

    552.10 KB

  • Quectel_LG77L_Series_Hardware_Design_V1.2

    1.67 MB

  • Quectel_LG77L_EVB_User_Guide_V1.0

    2.51 MB

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