Description
MAX-7Q GNSS GPS HAT for Raspberry Pi and Jetson Nano – GLONASS SBAS QZSS Support
Download User Guide and Resources for MAX-7Q GNSS HAT
This GNSS / GPS module is based on MAX-7Q and is designed to work with Raspberry Pi and NVIDIA Jetson Nano. The MAX-7Q GNSS / GPS module supports QZSS, SBAS, and GLONASS with fast and accurate positioning. It is a low-power consumption module with minor drifting. The MAX-7Q GNSS module comes with anti-jamming and anti-spoofing features.
Features of MAX-7Q GNSS HAT for Raspberry Pi and Jetson Nano
- Supports GLONASS, GPS, QZSS, and SBAZ positioning systems
- Assisted GNSS (A-GNSS) – improved acquisition sensitivity and the fast first positioning
- Anti-jamming and anti-spoofing with geo-fencing support
- U-Center support – easy configuration
- Standard 40-PIN Raspberry Pi GPIO extension header – also works with NVIDIA Jetson Nano
- CP2102 onboard converter from USB to UART – supports serial debugging
- I2C and UART interface breakouts – connection with Host boards such as STM32 and Arduino
- Baudrate 9600 bps by default – Range from 4800 bps to 921600 bps
- I2C compliant DDC interface support – Maximum 400 KHz
- Battery Holder onboard (Compatible with rechargeable ML1220 Cell) |supports preserving ephemeris information and hot starts (Battery cell is not included)
- LED status indicator lights (x4)
- Development resources and user manual included with examples for Raspberry Pi, STM32, Jetson Nano, and Arduino
GNSS Specifications
- 56x u-blox 7 engine channels | GPS/QZSS L1C/A, GLONASS L1 FDMA, SBAS (WAAS, EGNOS, MSAS)
- Horizontal Positioning Accuracy: 2.5m CEP (GPS) | 4.0m CEP (GLONASS) | 2.0m CEP (SBAS)
- Maximum Navigation Update Rate: 10Hz (GPS) | 10 Hz 9GLONASS)
Time to First Fix
- Cold Start: 29 seconds (GPS) | 30 Seconds (GLONASS)
- Warm Start: 28 Seconds (GPS) | 25 Seconds (GLONASS)
- Hot Start: 1 Second (GPS) | 1 Second (GLONASS)
- Aided Start: 5 Seconds (GPS)
Sensitivity
- Tracking & Navigation: -161 dBm (GPS) | -158 dBm (GLONASS)
- Re-Acquisition: -160 dBm (GPS) | -156 dBm (GLONASS)
- Cold Start: -148 dBm (GPS) | -140 dBm (GLONASS)
- Warm Start: -148 dBm (GPS) | -145 dBm (GLONASS)
- Hot Start: -156 dBm (GPS) | -156 dBm (GLONASS)
PPS Accuracy
- RMS: 30ns (GPS) | 50ns (GLONASS)
- 99%: 60ns (GPS) | 100ns (GLONASS)
Other Specifications
- PPS Frequency: Configurable between 0.25 Hz and 10 MHz
- Velocity Accuracy: 0.1 m/s.
- Heading Accuracy: 0.5 Degree
- Maximum Acceleration: 4g
- Maximum Altitude: 50000m
- Maximum Velocity: 500 m/s.
- Communication Interface: I2C (400 kHz Max.) | UART (4800 bps ~ 921600 bps | 9600 bps by default)
- Update Rate: Maximum 10 Hz | 1 Hz by Default
- Protocol: UBX, NMEA 0183 V 2.3 (Version 3.0), RTCM 2.3
- Power Supply: 5V Compatible
- Overall Current: < 37 mA @ 5V (Continue Mode)
- Module Current: 17.5 mA @ 3V (Tracking Status and Continue Mode)
- Operating Temperature: -40℃ ~ 85℃
- Weight: 132 Grams
- Dimensions: 65 mm x 30.5 mm | 6.5 cm x 3.05 cm
Applications of MAX-7Q Module
- Asset Tracking
- Fleet Management
- Industrial PDA
- Security Systems
- GIS App
Components on Board
- MAX-7Q Module
- Voltage Translator TXS0108EPWR
- Power Ship RT9193-33
- USB to UART Converter CP2102
- RXD/TXD UART TX/RX Indicator
- PWR Power Indicator
- PPS GPS Status Indicator
- Battery Holder
- GPIO Header 40-PIN
- I2C, UART Interface
- USB to UART Port
- GNSS Antenna Connector
- UART Selection Jumper
Items Included
- MAX-7Q GNSS HAT (x1)
- External GPS Antenna (x1)
- USB Cable (USB-A to Micro-B) (x1)
- Raspberry Pi Screws (x2)
- Female Header 2×20 PIN (x1)
Compatible Motherboards (Not Included)
- Raspberry Pi Motherboards with 40-PIN GPIO Header
- NVIDIA Jetson Nano Developer Kit
