U-Blox Chip Command Operation Instruction Manual

About this manual

This document serves as a technical guide for developers and engineers to configure U-Blox GNSS modules via serial port commands. It details the initialization process and lists specific hexadecimal strings required to control various module functions.

The manual covers essential configuration tasks such as enabling or disabling NMEA output streams (e.g., GGA, RMC), setting communication baud rates from 4800 to 115200, switching between different positioning modes like Portable and Pedestrian, and adjusting data output frequencies. It also includes specific commands for offline AGPS assistance and various control functions. This manual is written in Chinese.

What's inside

• Common Setting Parameters
• Output Command Control
• Baud Rate Configuration
• Working Mode Switching
• Data Output Frequency
• Offline AGPS Configuration
• Control Commands
• Configuration Schemes

Frequently asked questions

How long does the module take to initialize after power-on?

The U-Blox module requires 300ms for initialization after being powered on.

What command is used to switch the module to Pedestrian mode?

The specific hexadecimal command sequence provided in section 5 switches the module to Pedestrian mode.