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How to Use M5Stack Unit GPS SMA

28 Nov 2024 0 Comments
Today we received a new product from M5Stack called GPS/BDS unit with SMA antenna (AT6668), let's test it.
M5Stack GPS/BDS Unit with SMA Antenna (AT6668)

GPS/BDS Unit with SMA Antenna

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What is Unit GPS SMA

Unit-GPS SMA is a GNSS global positioning and navigation unit that integrates Microelectronics' high performance ATGM336H navigation module based on the AT6668 chip design. It is equipped with an external active antenna, providing more accurate and reliable satellite positioning services. Compared to previous models, the AT6668 supports multi-frequency and multi-mode GNSS signal reception, enabling compatibility with multiple satellite navigation systems (including GPS, BD2, BD3, GLONASS, GALILEO and QZSS). It supports combined multi-system positioning or single-system independent positioning, providing enhanced jamming resistance and higher positioning accuracy. This module is well suited for high-precision positioning applications such as vehicle navigation, IoT location devices and more, even in weak signal areas.
      

How to Use it

The best way to use M5Stack GPS/BDS Unit with SMA Antenna is M5Stack UI-Flow

Hardware

First, we need to connect our hardware. I used the M5Stack ATOM-S3 as the microcontroller, and used the Grove cable to connect the unit to the ATOM-S3.

Software

Step 1

Open M5Stack UIFlow: https://uiflow2.m5stack.com
       


Step 2

Choose USB device, click AtomS3
     
   

Step 3

Choose Unit, search GPS, click GPS SMA, choose port A
      
   
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