Ultimate GPS Module - 66 channel w/10 Hz updates - MTK3339 chipset

Out Of Stock Ultimate GPS Module - 66 channel w/10 Hz updates - MTK3339 chipset

For those who want to integrate our awesome Ultimate GPS module into their own projects, we now have the raw sub-module available. Don't be fooled by it's small size, this is a very sensitive, high quality GPS module with all the extras you could want and more at under 6 grams!

It's got everything you want and more:

    -165 dBm sensitivity, 10 Hz updates, 66 channels
    Ultra low power usage: 20mA current draw while tracking
    3.3V operation,
    RTC battery-compatible
    Built-in datalogging
    PPS output on fix
    We have received reports that it works up to ~32Km altitude (the GPS theoretically does not have a limit until 40Km)
    Internal patch antenna + connection for optional external active antenna
    Fix status output
    Ultra small size: only 16mm x 16mm x 5mm and 4 grams

This module 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.

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 attach an active antenna to the ANT pad. The module will automatically detect the active antenna and switch over!

The other cool feature of the new MTK3339-based module (which we have tested with great success) is the built in datalogging ability. Since there is a microcontroller inside the module, with some empty FLASH memory, the newest firmware now allows sending commands to do internal logging to that FLASH. The only thing is that you do need to have a microcontroller send the "Start Logging" command. However, after that message is sent, the microcontroller can go to sleep and does not need to wake up to talk to the GPS anymore to reduce power consumption. The time, date, longitude, latitude, and height is logged every 15 seconds and only when there is a fix. The internal FLASH can store about 16 hours of data, it will automatically append data so you don't have to worry about accidentally losing data if power is lost. It is not possible to change what is logged and how often, as its hardcoded into the module but we found that this arrangement covers many of the most common GPS datalogging requirements.

We've received reports from customers that have tested this version of the Ultimate GPS module in a high-altitude balloon, and it kept fix up to ~32km! There is a (theoretical, untested) firmware limit of 40Km. However, we provide no guarantee that it will work in all HAB's.

This item is just the GPS module itself, no breakout board or other components included.

Technical Details

    Satellites: 22 tracking, 66 searching
    Ultra small size: only 16mm x 16mm x 5mm and 4 grams
    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 Altitude for PA6H: tested at 27,000 Meters
    Maximum Velocity: 515m/s
    Vin range: 3.0-4.3VDC
    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

    8/4/2014: firmware version 5632 - back compatible but apparently adds better high-altitude calculations according to GTop
    Prior to 8/4/2014: Firmware version 5153


    MTK3329/MTK3339 command set sheet for changing the fix data rate, baud rate, sentence outputs, etc!
    Datasheet for the PA6H (MTK3339) GPS module
    MT3339 GPS PC Tool (windows only) and the PC Tool manual
    Mini GPS tool (windows only)


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  • Views: 6928
  • Product Code: GPS module MT3339
  • Availability: Out Of Stock
  • KES 3,000.00

Tags: GPS module MT3339

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