Ultimate GPS Breakout V3



  • Adafruit
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SKU: BOB-014 Manufacturer: Adafruit Industries Mfg Part Number: 746 Categories: , Tags: , ,


This breakout board is built around the MTK3339 chipset, a high-quality GPS module that can track up to 22 satellites on 66 channels. The MTK3339 chip has an excellent high-sensitivity receiver, a built in antenna, and can handle up to 10 location updates a second. There is an optional CR1220 battery holder included as well; this can be soldered on to the back of the board to keep the Real Time Clock running and allow for warm starts (faster fixes). No battery is included.

The LED blinks at about 1Hz while it’s searching for satellites and blinks once every 15 seconds when a fix is found to conserve power. If you want to have an LED on all the time, the FIX signal is provided on a pin so you can connect an external LED.



  • -165 dBm sensitivity, 10 Hz updates, 66 channels
  • Breadboard friendly + two mounting holes
  • Built-in datalogging
  • >25Km+ altitude
  • ENABLE pin to turn off the module using any microcontroller pin or switch
  • 5V friendly design and only 20mA current draw
  • RTC battery-compatible
  • PPS output on fix
  • Internal patch antenna + u.FL connector for external active antenna
  • Fix status LED



Ultimate GPS Breakout Board: http://learn.adafruit.com/adafruit-ultimate-gps


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  Difficulty Level

Soldering Skill: Beginner
Prototyping Skill: Beginner
Programming Skill: Beginner

  Product Certifications

  Product Attributes

Weight: 10 g

  Warranty Policy

This product has a 30 Day Warranty from the date of delivery. The item must not be modified, abused, incorrectly hooked up, or used for purposes outside the original scope of design.

  Return Policy

This product is returnable Within 14 Days of delivery for a store credit. Item must be unopened, unused, and in re-saleable condition.

More Information:
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