Mini GPS/BDS Unit (AT6558)


Regular price $11.95
Shipping calculated at checkout.

10+ In Stock


GPS is an M5Stack Unit that integrates a AT6558 navigation chip and a MAX2659 amplification chip which is used for amplifying the antenna signal.

AT6558 is an high performance chip that supports many types of satellite navigation systems, able to receive satellite signals on 56 channels GNSS signal from 6 satellite navigation system, joint location, navigation, timing and more.

The module is able to obtain accurate global location information, quick and accurate positioning for anywhere in the city, in the canyon, under the overhead and inside the car.

The module can be widely used in vehicle monitoring, bus reporting, car navigation, onboard navigation, notebook navigation and other products.

You can plug it into port C on M5core via GROVE cable, which is a standard UART interface.

UART settings :

  • Baudrate(default: 9600bps)
  • Start bits(1 bit)
  • Stop bits(1 bit)
  • Parity(no)

Product Features

  • Support single system positioning of BDS/GPS/GLONASS satellite navigation systems, or multi-system joint positioning in any combination
  • Support D-GNSS differential positioning
  • Two Lego-compatible holes


  • 1x GPS Unit
  • 1x Grove Cable


  • Vehicle positioning and navigation
  • Smart law enforcement positioning


Resources Parameter
Positioning accuracy 2.5m
Channel 56
Positioning update frequency 1-10Hz
Maximum height 1800m
Maximum speed 515m/s
Maximum acceleration <= 4g
Sensitivity Tracking: -162dBm,Capture: -148dBm,Cold start: -146dBm
Start Time Cold start: 35 seconds,Warm start: 32 seconds,Hot start: 1 second
Operating temperature -40°C - 85°C
Net weight 13g
Gross weight 26g
Product Size 48*24*8mm
Package Size 67*53*12mm

Customer Reviews

Based on 8 reviews
Mimmo Pitasi
Mini GPS/BDS Unit (AT6558)

I am very happy with it, I am using it in my test tracker

Heinrich Arens
Tiny gadgets

Long awaited modules and sensores for some ideas.
Thank you!

Evan Kichline
GPS Unit

Works really well. Fast acquisition.

Jeff C. (Bartlebee)
Works great

Works like a champ, very easy to use.

Claus Kühnel
As expected

Fast delivery

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