GPS Module

This GPS module is specially developed to be compatible with the wireless communication architecture of development boards. With the L76K module as the core, it incorporates advanced satellite positioning technologies. It can be integrated into various development board systems, providing precise, stable and efficient global satellite positioning capabilities for applications in multiple fields such as the Internet of Things, intelligent transportation, and outdoor tracking. It has become a crucial supporting component for developers to build location-aware intelligent applications and empowers devices with accurate positioning and navigation functions.

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Function

Multi-satellite System Cooperative Positioning
It supports multiple satellite systems (GPS, GLONASS, BDS, and QZSS), enabling both joint positioning of multiple systems and independent positioning of a single system. The module also supports the AGNSS function and has a built-in low-noise amplifier and a surface acoustic wave filter, which can provide users with a fast, accurate and high-performance positioning experience.

High-sensitivity Signal Acquisition and Tracking
Compared with a single GPS system, the number of visible and available satellites that can be utilized by the multi-satellite system is significantly increased, thereby improving the positioning accuracy. Even in complex urban environments, stable high-precision positioning can be achieved. In addition, the module supports the AGNSS function, which can greatly shorten the time for the first positioning.

Outstanding Anti-interference Performance Guarantee
The built-in low-noise amplifier enables high-sensitivity, high-precision positioning as well as rapid signal acquisition and tracking, ensuring good positioning performance even under weak signal conditions. The built-in surface acoustic wave filter can greatly enhance the module’s anti-interference ability. An active antenna detection circuit and a protection circuit are integrated internally, which can protect the module and the active antenna from damage.

Specification

  • Core Module: L76K
  • TTFF: Cold start: 29 seconds, Hot start: 2 seconds; With the assistance of AGNSS, the cold start time can be significantly shortened to within a few seconds, enabling a rapid response to positioning requests
  • Default Satellite Constellations: GPS + BDS + QZSS
  • Received Frequency Bands: GPS: L1 C/A, GLONASS: L1, BDS: B1I, QZSS: L1 C/A
  • Number of Channels: 32 tracking channels
  • Number of Constellations Received Concurrently: 2 + QZSS
  • Horizontal Positioning Accuracy: 2.0 m
  • Velocity Accuracy: 0.1 m/s (unaided)
  • Acceleration Accuracy: 0.1 m/s² (unaided)
  • 1PPS Accuracy: 30 ns
  • Operating Temperature: -40 ~ +85°C
  • Sensitivity: Acquisition: -147 dBm, Tracking: -161 dBm, Re-acquisition: -162 dBm
  • Dynamic Performance: Maximum Altitude: 18,000 meters, Maximum Speed: 515 m/s, Maximum Acceleration: 4g
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