Adafruit Wearable Ultimate GPS Module

$45.00

Adafruit Wearable Ultimate GPS Module

$55.95 $45.00

SKU: WEAR-035 - Mfg Part Number: 1059

Description

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 a small, super-thin, low power GPS module with built in data-logging capability! While these are designed for wearable applications, their small size does make them quite useful for conventional projects as well!

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, there is 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, there is also a FIX signal out on a pin so you can put an external LED on.

Two features that really stand out about the MTK3339-based module is the external antenna functionality and 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 snap on any 3V active GPS antenna via the uFL connector. The module will automatically detect the active antenna and switch over!


Features

  • Satellites: 22 tracking, 66 searching
  • Update rate: 1 to 10 Hz
  • Velocity Accuracy: 0.1 meters/s
  • Acquisition sensitivity: -145 dBm
  • Maximum Velocity: 515m/s
  • Operating current: 25mA tracking, 20 mA current draw during navigation
  • DGPS/WAAS/EGNOS supported
  • Up to 210 PRN channels
  • Multi-path detection and compensation
  • Jammer detection and reduction
  • Diameter: 30.5mm
  • Height: 6.25mm
  • Patch Antenna Size: 15mm x 15mm x 4mm
  • Position Accuracy: < 3 meters
  • Warm/cold start: 34 seconds
  • Tracking sensitivity: -165 dBm
  • Vin range: 3.0-4.3 VDC
  • Output: NMEA 0183, 9600 baud default
  • FCC E911 compliance and AGPS support (Offline mode : EPO valid up to 14 days )


Resources

Tutorials:
Flora Wearable GPS: https://learn.adafruit.com/flora-wearable-gps


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