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Adafruit Ultimate GPS Breakout - 66 channel w/10 Hz updates - Version 3

4.6 4.6 out of 5 stars 227 ratings

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About this item

  • -165 dBm sensitivity, 10 Hz updates, 66 channels, Built-in datalogging
  • 5V friendly design and only 20mA current draw
  • Breadboard friendly + 2 mounting holes
  • Fully assembled and tested module
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Adafruit Ultimate GPS Breakout - 66 channel w/10 Hz updates - Version 3
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Price$31.42$16.99$18.99$25.99$18.99
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Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
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4.0
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Adafruit Ultimate GPS Breakout - 66 channel w/10 Hz updates - Version 3


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Product Description

This is the ultimate GPS module for your Raspberry Pi, Arduino or other microcontroller project! The breakout is built around the MTK3339 chipset, a no-nonsense, high-quality GPS module that can track up to 22 satellites on 66 channels, has an excellent high-sensitivity receiver (-165 dB tracking!), and a built in antenna. It can do up to 10 location updates a second for high speed, high sensitivity logging or tracking. Power usage is incredibly low, only 20 mA during navigation. Includes an ultra-low dropout 3.3V regulator so you can power it with 3.3-5VDC in, 5V level safe inputs, ENABLE pin so you can turn off the module using any microcontroller pin or switch, a footprint for optional CR1220 coin cell to keep the RTC running and allow warm starts and a tiny bright red LED. 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, we also provide the FIX signal out on a pin so you can put an external LED on. Two features that really stand out about version 3 MTK3339-based module is the external antenna functionality and the the built in data-logging capability. The module has a standard ceramic patch antenna that gives it -165 dB sensitivity, but when you want to have a bigger antenna, you can easily add one. Comes with one fully assembled and tested module, a piece of header you can solder to it for breadboarding, and a CR1220 coin cell holder. Battery not included. Many tutorials available at Adafruit's website.

Customer reviews

4.6 out of 5 stars
4.6 out of 5
227 global ratings

Customers say

Customers like the performance, quality and instructions of the GPS. For example, they mention that it works well, has good documentation and tutorials and that it's easy to set up and use. That said, opinions are mixed on speed.

AI-generated from the text of customer reviews

58 customers mention55 positive3 negative

Customers are satisfied with the performance of the GPS. They mention that it works well, does great things, and has PPS. Some say that the chip works well and that it comes with great support from Adafruit. Overall, customers are happy with their purchase and recommend it to others.

"...Performs nicely." Read more

"...products are well-designed, well-documented, and function great for their intended applications; this GPS unit was no different...." Read more

"I bought this for a GPS guided robot project using an Arduino. Works well and gets a lock with-in a minute even in doors...." Read more

"I can't justify giving this more than three stars. It works okay at the outset, but after running it a few days with my application, it is not..." Read more

22 customers mention20 positive2 negative

Customers are satisfied with the quality of the GPS. They mention that it is a well-supported, accurate, and reliable module. Some say that it adds GPS functionality to their quadcopter and is extremely stable in the location values it produces.

"...I did add the backup battery. Adafruit has always delivered high quality goods at a very affordable price...." Read more

"In my experience, Adafruit products are well-designed, well-documented, and function great for their intended applications; this GPS unit was no..." Read more

"...outside, it took a while to pick up signal, but was extremely stable in the location values it produced..." Read more

"This is an extremely sensitive serial gps unit. Has a PPS output pin as well. Works on anything from +3.3v to +5v as well...." Read more

18 customers mention16 positive2 negative

Customers find the instructions for the GPS navigation system to be solid, easy to use, and simple. They also say the directions on the Adafruit website are good and the tutorial on toptechboy is beautiful. Customers also mention that the product is well-designed, well-documented, and easy to connect to other devices.

"In my experience, Adafruit products are well-designed, well-documented, and function great for their intended applications; this GPS unit was no..." Read more

"...The manufacturer's website has a really good set of documentation for both Pi and Arduino connections, and I got mine online in a minimal amount of..." Read more

"As usual adafruit delivers with quality hardware and solid instructions/software to help you use it...." Read more

"Easy to use, just power it up and go. Couldn’t get a lock with clear line of sight to the sky until I added an antenna, then it worked well." Read more

11 customers mention8 positive3 negative

Customers like the value of the product. They mention that it's a high quality GPS at a very affordable price.

"...Adafruit has always delivered high quality goods at a very affordable price. The small footprint allows for a smaller enclosure." Read more

"...I found this model to work better, and it is much cheaper: AITRIP GT-U7 GPS Module GPS Receiver...." Read more

"...It's big, expensive, and sucks...." Read more

"...Nevertheless, it is a class act, very accurate, and excellently priced...." Read more

8 customers mention8 positive0 negative

Customers are satisfied with the size of the GPS. They mention that it is small, easy to work with, and has a small footprint that allows for a smaller enclosure.

"...The small footprint allows for a smaller enclosure." Read more

"This is a great product, it is small, easy to use and have really good range...." Read more

"Nice GPS module, small and gets the job done. For my application I was using it for both NMEA ASCII messages and 1 Pulse Per Second (PPS) output...." Read more

"Tracks great with the external antenna, small enough for my project, been running in the Jeep for 2 months, no issues. (Used with Arduino ATMEGA 2560)" Read more

4 customers mention4 positive0 negative

Customers are satisfied with the accuracy of the GPS. They mention that it is very accurate and provides proper accuracy for time and position.

"...this GPS to show speed, coordinates and addresses and it’s been very accurate and reliable. I did add the backup battery...." Read more

"...This cute lil unit is pretty frickin accurate even without an external antenna(Not for use indoors)...." Read more

"...Nevertheless, it is a class act, very accurate, and excellently priced...." Read more

"...the pulse per second pulse when it is locked and has proper accuracy for time and position (and stops pulsing PPS if it loses lock)." Read more

14 customers mention9 positive5 negative

Customers are mixed about the speed of the GPS. Some mention that it's fast, lightweight, and inexpensive. It picks up satellites very fast and gets a fix really fast. However, others say that it takes a while to pick up signal and the max fix update is only 5Hz.

"Works well. Very fast cold fix when used with the amplified external antenna...." Read more

"...Once outside, it took a while to pick up signal, but was extremely stable in the location values it produced..." Read more

"This is a good, lightweight, fast, and inexpensive GPS. I prefer to use the TinyGPS++ library by Mikal Hart but the original one works well too...." Read more

"Solder header. Attach USB cable. Go! Runs without effort on the Raspberry Pi with gpsd...." Read more

6 customers mention0 positive6 negative

Customers are dissatisfied with the signal of the GPS board. They mention that it is hard to get any signal, it doesn't pick any signal up inside, and it has yet to detect a GPS satellite.

"...It doesn't pick any signal up inside (unlike NEO-6M I also purchased)...." Read more

"...The second at least lit up, but would not transmit anything to the serial monitor. Bong! Dead. I'm going for number three... wish me luck! Why?..." Read more

"I spent about a week and was not able to catch any GPS signal. Was trying to do that for about an hour in the middle of a vast field...." Read more

"...several code programs from the Adafruit library and I have yet to detect a GPS satellite no matter whose code I use...." Read more

Works a treat with Pi 4B
5 Stars
Works a treat with Pi 4B
Setting up with Raspberry Pi 4B and DietPi with Tunerstudio for Speedometer of PiDash. VIN (GPS) to 3.3V on Pi, GND (GPS) to ground on Pi, RX (GPS) to TX on Pi, TX (GPS) to RX on Pi. Use DietPi-Config / option 4 : Advanced Options / Serial/UART to make sure ttyS0 console is off and ttyS0 (mini UART) device is on. I used CuteCom to set the baud to 115200 and refresh rate to 10Hz. Default GPS unit is 9600 baud and 1Hz. Start with CuteCom set to 9600 and send $PMTK251,115200*1F to change baud. Change CuteCom to 115200 baud and send $PMTK220,100*2F to change refresh to 10Hz. Make sure you have the battery backup installed in the GPS or else it will revert back when powered off. In Tunerstudio Beta (there was a problem with GPS which I don't know is fixed in the stable release yet) use Communications/ GPS Configuration to set up. See pic for details. I am using it with an external antenna so I can't comment on the internal one.
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5.0 out of 5 stars Works a treat with Pi 4B
Reviewed in the United States on June 21, 2020
Setting up with Raspberry Pi 4B and DietPi with Tunerstudio for Speedometer of PiDash. VIN (GPS) to 3.3V on Pi, GND (GPS) to ground on Pi, RX (GPS) to TX on Pi, TX (GPS) to RX on Pi. Use DietPi-Config / option 4 : Advanced Options / Serial/UART to make sure ttyS0 console is off and ttyS0 (mini UART) device is on. I used CuteCom to set the baud to 115200 and refresh rate to 10Hz. Default GPS unit is 9600 baud and 1Hz. Start with CuteCom set to 9600 and send $PMTK251,115200*1F to change baud. Change CuteCom to 115200 baud and send $PMTK220,100*2F to change refresh to 10Hz. Make sure you have the battery backup installed in the GPS or else it will revert back when powered off. In Tunerstudio Beta (there was a problem with GPS which I don't know is fixed in the stable release yet) use Communications/ GPS Configuration to set up. See pic for details. I am using it with an external antenna so I can't comment on the internal one.
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Reviewed in the United States on June 2, 2014
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Reviewed in the United States on June 6, 2015
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Top reviews from other countries

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Turismo
5.0 out of 5 stars Fonctionne à la perfection
Reviewed in France on September 20, 2017
MB
5.0 out of 5 stars Powerful and easy to interface GPS breakout
Reviewed in Canada on April 24, 2018
Mou88
4.0 out of 5 stars Pricey but reliable
Reviewed in Canada on June 7, 2019
L. Köhler
4.0 out of 5 stars Achtung Adapter!
Reviewed in Germany on February 2, 2018
4 people found this helpful
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Bill Ardudwy
5.0 out of 5 stars Delivery and Performance.
Reviewed in the United Kingdom on April 14, 2019