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    Adafruit 790 Ultimate GPS Module - 66 Channels w/ 10 Hz Updates - MTK3339 Chipset

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    Learn more about the Adafruit 790

    Model
    Brand Adafruit
    Model 790
    Features
    Features 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: 20 mA 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 ~32 Km altitude (the GPS theoretically does not have a limit until 40 Km)
    Internal patch antenna + connection for optional external active antenna
    Fix status output

    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: 515 m/s
    Vin range: 3.0-4.3 VDC
    MTK3339 Operating current: 25 mA 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
    Additional Information
    Date First Available November 09, 2022

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