This module is the best way to add a GPS to your wearable project. It's part of the Adafruit Flora series of wearable electronics, designed specifically for use with the Flora motherboard. Installed on the PCB is the latest of our Ultimate GPS modules, a small, super-thin, low power GPS module with built in data-logging capability! This module's easy to use, but extremely powerful:

  • -165 dBm sensitivity, 10 Hz updates, 66 channels
  • Designed for wearable use with the Flora system
  • Only 20mA current draw
  • RTC battery-compatible - sew a battery on to create a atomic-precision real time clock
  • Built-in datalogging
  • Internal patch antenna + u.FL connector for external active antenna
  • Fix status LED

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.

The module is kept small and simple, we have a ferrite bead, filter capacitor and red fix LED on board. 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.


TECHNICAL DETAILS

  • Satellites: 22 tracking, 66 searching
  • Patch Antenna Size: 15mm x 15mm x 4mm
  • Update rate: 1 to 10 Hz
  • Position Accuracy: < 3 meters (all GPS technology has about 3m accuracy)
  • Velocity Accuracy: 0.1 meters/s
  • Warm/cold start: 34 seconds
  • Acquisition sensitivity: -145 dBm
  • Tracking sensitivity: -165 dBm
  • Maximum Velocity: 515m/s
  • Vin range: 3.0-4.3 VDC
  • MTK3339 Operating current: 25mA tracking, 20 mA current draw during navigation
  • Output: NMEA 0183, 9600 baud default
  • DGPS/WAAS/EGNOS supported
  • FCC E911 compliance and AGPS support (Offline mode : EPO valid up to 14 days )
  • Up to 210 PRN channels
  • Jammer detection and reduction
  • Multi-path detection and compensation

Revision History

  • Oct 7, 2014 - we now sell it with firmware v5516 which fixes some altitude calculations (more accuracy)

Breakout board details:

  • Weight: 5.43g
  • Dimensions: 30.5mm diameter x 5.98mm thick / 1.2" diameter x 0.24" thick

Downloads:

Head to the Adafruit Learning System for the following FLORA tutorials:


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Flora Wearable Ultimate GPS Module

  • Brand: Adafruit
  • Product Model ID: Flora Wearable Ultimate GPS Module
  • SKU no: wear-mod-gps-6010601032
  • Availability: In Stock
  • Rs. 500

  • Ex Tax: Rs. 500

Tags: Flora Wearable Ultimate GPS Module, Electrosolz, Store.Electrosolz.com, Hobby Electronics Store for Pakistan, Electronics and Robotics parts and assemblies