LC29H(DA) GPS/RTK HAT for Raspberry Pi

WaveshareSKU: WAV-25279
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Sale price £56.90
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This LC29H(DA) HAT has L1+L5 dual-frequency and multi-GNSS signal tracking, significantly reducing multipath effects in urban environments and strengthening positioning accuracy with low power consumption. Equipped with a built-in LNA and SAW filter, it has high sensitivity and strong anti-interference capability. Utilising dual-band positioning and RTK technology, it provides centimetre-level high-precision positioning, making it ideal for real-time tracking systems and sharing economy applications, including drones, smart farm machinery, and shared two-wheelers. It supports fast convergence dual-band RTK centimetre-level positioning for high-precision terminal device applications.

The HAT features a standard Raspberry Pi 40-pin GPIO extension header, providing compatibility with Raspberry Pi series boards and Jetson Nano. It supports simultaneous tracking of L1+L5 dual-band satellite signals, reducing multipath effects and enhancing positioning accuracy in urban canyons. It also supports concurrent reception of multi-GNSS systems (GPS, BDS, GLONASS, Galileo, and QZSS) while maintaining low power consumption. The built-in low noise amplifier and acoustic surface filter deliver -165dBm high sensitivity and improved anti-interference performance. Comprehensive online development resources and a manual with Python examples for Raspberry Pi and Jetson Nano are included to assist with development.

We also have the

Note: The Raspberry Pi boards are NOT included

Features

  • Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
  • Supports simultaneous tracking of L1+L5 dual-band satellite signals, reducing multipath effects in urban canyons and improving positioning accuracy
  • Supports concurrent receiving of multi-GNSS systems (GPS, BDS, GLONASS, Galileo and QZSS) while maintaining low power consumption
  • Supports fast convergence dual-band RTK centimetre-level positioning, suitable for high-precision positioning of terminal devices
  • Built-in low noise amplifier and acoustic surface filter to provide -165dBm high sensitivity and enhance anti-interference performance
  • Supports multi-frequency active interference cancellation, effectively suppressing or eliminating narrowband signal (WiFi/2/3/4/5G) interference to provide navigation accuracy
  • A-GNSS (Assisted GNSS) support, reducing the time to first fix (TTFF) with a cold start when powered on to 5 seconds
  • Support QGNSS software, easy to set various module functions
  • Onboard battery holder, supports ML1220 rechargeable cell, for preserving ephemeris information and hot starts
  • Onboard 4 LED indicators for module operating status
  • Comes with online development resources and manual (Python examples for Raspberry Pi/Jetson Nano)

What's on Board

  1. LC29H module
  2. RT9166A-28PXL
    5V to 2.8V LDO chip
  3. CP2102N
    USB to UART chip
  4. Raspberry Pi 40PIN GPIO header
    For connecting with Raspberry Pi
  5. UART selection jumper
    A: control the LC29H via USB to UART
    B: control the LC29H via Raspberry Pi
    C: access Raspberry Pi via USB to UART
  6. IPEX 1 connector
    LC29H module antenna connector
  7. Micro USB interface
  8. RT9193-33PB
    5V to 3.3V LDO chip
  9. RESET button
    Reset the LC29H module
  10. Status Indicators
    PWR: Power Indicator
    RXD/TXD: UART transceiver indicator
    PPS: GPS status indicator
  11. NDC7002N
    I2C voltage translator
  12. ML1220 Battery holder
    Supports ML1220 rechargeable cell, for preserving ephemeris information and hot start

Specifications

Frequency Band GPS/QZSS: L1C/A, L5
BDS: B1I, B2a
Galileo: E1, E5a
GLONASS: L1
Number of Concurrent GNSS GPS/QZSS+BDS+Galileo+GLONASS
SBAS (WAAS, EGNOS, MSAS, GAGAN) N/A
RTK Function RTK Rover
Positioning Accuracy PVT 1m CEP
RTK 0.01m+1ppm CEP
Navigation Update Rate PVT 1~10Hz
RTK 1Hz
RAW 1Hz
RTK Convergence Time <10s
Time to First Fix (AGNSS OFF) Cold Starts 26s
Hot Starts 1s
Aided Starts 16s
Time to First Fix (EASY ON)
Time to First Fix (AGNSS ON) Cold Starts 5s
Hot Starts 5s
Aided Starts 5s
Sensitivity Tracking and Navigating -165dBm
Re-Acquisition -157dBm
Cold Starts -145dBm
Velocity Accuracy N/A
PPS Accuracy N/A
Dynamic Performance Acceleration (Max): 4g
Altitude (Max):10000m
Velocity (Max): 500m/s
Communication Interface UART(9600~3000000bps, 115200bps by default)
I2C(Max 400KHz)
Protocol NMEA 0183 V4.10, RTCM 3.x
Power Supply 5V
Overall Current <40mA@5V (Continue mode)
Operating Temperature -40 - 85℃
Dimensions 65 x 30.5mm

Connection Example - Raspberry Pi & GPS Antenna

Resources

Pinout

Package Contents

  1. 1x LC29H (DA) GPS/RTK HAT
  2. 1x 2 x 20-pin female header
  3. 1x GPS External Antenna (D)
  4. 1x IPEX 1 to SMA cable ~17cm
  5. 1x Screws pack

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