MAX-7Q GNSS HAT for Raspberry Pi, GPS, GLONASS, QZSS, SBAS

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Artikelnummer: 817

MAX-7Q GNSS HAT For Raspberry Pi

MAX-7Q GNSS HAT

GNSS Module Based On MAX-7Q For Raspberry Pi

Accurate & Fast Positioning With Minor Drifting, Low Power Consumption, Outstanding Ability For Anti-Spoofing & Anti-Jamming


This is a Raspberry Pi GNSS HAT based on MAX-7Q, which supports positioning systems including GPS, GLONASS, QZSS, and SBAS. It features accurate & fast positioning with minor drifting, low power consumption, the outstanding ability for anti-spoofing & anti-jamming, and so on.

By simply attaching it onto the Pi, it is fairly easy to enable GNSS capability for your Raspberry Pi.

Features At A Glance

  • Supports GPS/QZSS, GLONASS positioning systems
  • A-GNSS (Assisted GNSS) support, reducing the first positioning time when powered up, improving the acquisition sensitivity
  • The outstanding ability for anti-spoofing & anti-jamming supports geo-fencing
  • Supports U-Center, an easy way to config the module
  • Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
  • Onboard USB TO UART Converter CP2102 for serial debugging
  • Breakouts the module's UART and I2C interface, for connecting with host boards like Arduino/STM32
  • Baudrate range: 4800~921600bps (9600bps by default)
  • Supports DDC (I2C compliant) interface: up to 400KHz (max)
  • Onboard battery holder, supports ML1220 rechargeable cell, for preserving ephemeris information and hot starts
  • 4x LEDs for indicating the module operating status
  • Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32)
GNSS SPECIFICATIONS
MAX-7QGPSGLONASS
Frequency band56x u-blox 7 engine channels
GPS/QZSS L1C/A, GLONASS L1 FDMA, SBAS (WAAS, EGNOS, MSAS)
Horizontal positioning accuracyAutonomous2.5m CEP4.0m CEP
SBAS2.0m CEP-
Max navigation update rate10Hz10Hz
Time-To-First-FixCold starts29s30s
Warm starts28s25s
Hot starts1s1s
Aided starts5s-
SensitivityTracking and navigating-161 dBm-158 dBm
Re-acquisition-160 dBm-156 dBm
Cold starts-148 dBm-140 dBm
Warm starts-148 dBm-145 dBm
Hot starts-156 dBm-156 dBm
PPS accuracyRMS30ns50ns
99,00%60ns100ns
PPS frequency0.25Hz…10MHz (configurable)
Velocity accuracy0.1m/s
Heading accuracy0.5 degree
Operational limitsAcceleration (max): 4g
Altitude (max): 50000m
Velocity (max): 500m/s
OTHER SPECIFICATIONS
Communication interfaceUART (4800~921600bps, 9600bps by default), I2C (max 400KHz)
Update rate1Hz (default), 10Hz (max)
ProtocolNMEA 0183 Version 2.3 (V3.0 compatible), UBX, RTCM 2.3
Power supply5V
Overall current<37mA@5V (Continue mode)
Module current17.5mA@3V (Continue mode, tracking status)
Operating temperature-40℃ ~ 85℃
Dimensions65mm × 30.5mm


Standard Raspberry Pi 40PIN GPIO

Compatible With Raspberry Pi Series Boards, Jetson Nano

Multiple GNSS Systems Support

Supports GPS/QZSS, GLONASS

Augment Systems Support

Augment System Is Aimed At Improving The Accuracy, Completeness, Reliability, And Availability Of Positioning And Navigation

Supports Augment Systems Including SBAS And QZSS

Geo-Fencing Support

High Sensitivity Of Single GNSS Receiver, Outstanding Ability For Anti-Spoofing & Anti-Jamming

Software U-Center Support

An Easy Way To Config The Module

Applications

Ideal For Fleet Management, Asset Tracking, Security Systems, Industrial PDA, GIS App, Etc.

What's On Board

  1. MAX-7Q module
  2. TXS0108EPWR voltage translator
  3. RT9193-33 power chip
  4. CP2102 USB TO UART converter
  5. Status indicators
    RXD/TXD: UART TX/RX indicator
    PPS: GPS status indicator
    PWR: power indicator
  6. Battery holder
    supports ML1220 rechargeable cell, for preserving ephemeris information and hot starts

 

  1. Raspberry Pi GPIO header
    for connecting with Raspberry Pi
  2. UART, I2C interface
    for connecting with other MCUs
  3. USB TO UART port
  4. GNSS antenna connector
  5. UART selection jumper
    A: control the MAX-7Q through USB TO UART
    B: control the MAX-7Q through Raspberry Pi
    C: access Raspberry Pi through USB TO UART

Pinout Definition

Outline Dimensions

Resources & Services

WIKI: www.waveshare.com/wiki/MAX-7Q_GNSS_HAT

* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.

Shipping list

Weight: 0.132 kg

  1. MAX-7Q GNSS HAT x1
  2. GPS External Antenna (B) x1
  3. USB-A to Micro-B cable x1
  4. RPi screws pack (2pcs) x1
  5. 2x20PIN female header x1

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