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Dual-band GPS/RTK L1+L5 module with LC29H(DA) GNSS chip - overlay for Raspberry Pi - Waveshare 25279
Dual-band GPS module with GNSS receiver LC29H(DA) designed for Raspberry Pi minicomputers, supporting L1 and L5 bands. It provides fast and precise centimeter-level positioning with RTK technology , making it suitable for accurate positioning of end devices . This makes it ideal for applications requiring accurate navigation, such as drones, agricultural machinery and mapping systems.
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Product description: Dual-band GPS / RTK L1 + L5 module with GNSS LC29H(DA) system - overlay for Raspberry Pi - Waveshare 25279
The LC29H(DA) GPS module with a GNSS receiver was designed to work with Raspberry Pi or Jetson Nano minicomputers. It has the ability to simultaneously track L1 and L5 satellite signals and applies algorithms to improve accuracy in urban areas. The module supports high-speed, dual-band RTK Rover positioning at the centimeter level, which is ideal for precise positioning of end devices. The LC29H(DA) supports simultaneous tracking of satellite signals from multiple GNSS systems such as GPS, BDS, GLONASS, Galileo and QZSS , ensuring reliable and accurate navigation even in difficult terrain conditions. In addition, this module offers support for A-GNSS (Assisted GNSS) technology, reducing the time of first positioning after cold start to just 5 seconds. The integrated LNA system and SAW filter ensure high sensitivity and resistance to interference, and the ML1220 battery allows you to store ephemeris information and quickly start the module. The LC29H(DA) is also equipped with 4 LEDs indicating the module's operating status, making diagnosis and monitoring easier.
The manufacturer has also prepared a user's guide with sample programs for Raspberry Pi .
Dual-band GPS / RTK L1 + L5 module with GNSS LC29H(DA) system - shield for Raspberry Pi - Waveshare 25279.
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The module supports fast, dual-band RTK Rover positioning.
Main features of the LC29H(DA) module
- Precise positioning: The LC29H(DA) module enables fast and precise positioning at the centimeter level, which is important for applications requiring high location accuracy.
- RTK technology: Thanks to Real-Time Kinematic (RTK) technology, you can achieve very high positioning precision in real time.
- Easy integration with Raspberry Pi: the product is compatible with Raspberry Pi and Jetson Nano minicomputers, which facilitates integration and application development.
- Support for dual-band satellite signals: Support for simultaneous tracking of dual-band L1 and L5 satellite signals allows for the reduction of multi-path effects in urban environments, which in turn improves positioning accuracy.
- Low Power Consumption: The LC29H(DA) module maintains low power consumption, making it energy efficient and suitable for applications where continuous operation on battery power is required.
- Support for various applications: the product is used in a variety of applications, such as drones, intelligent agricultural machines, navigation systems, or geodetic measurements, which makes it a versatile tool for various industries.
Arrangement of elements on the board
- LC29H system
- LDO RT9166A-28PXL from 5V to 2.8V
- USB to UART converter CP2102N
- 40-pin GPIO connector for connection to Raspberry Pi
- UART selection jumper
- IPEX 1 antenna connector
- microUSB interface
- LDO RT9193-33PB from 5V to 3.3V
- RESET button
- LED status indicators
- NDC7002N voltage converter
- ML1220 battery socket
Arrangement of elements on the board.
The module has a connector supporting the ML1220 battery.
RTK (Real Time Kinematic) technology
RTK technology used in GNSS modules to ensure real-time positioning precision. RTK is based on a differential method of processing observations of the phase carrier of two measuring stations, which enables position determination with an accuracy of centimeters . The base RTK module (like the LC29H(BS) ) is placed at known, fixed coordinates, and the mobile module (like the LC29H(DA)) receives corrections from the base station, allowing for quick and accurate positioning in real time. This is particularly important in applications requiring high precision , such as navigation of autonomous vehicles, geodetic field measurements or precision agriculture.
Set contents
- Dual-band GPS / RTK L1 + L5 module with GNSS LC29H(DA) system - overlay for Raspberry Pi - Waveshare 25279
- 2x 20-pin female connector
- External GPS antenna (D)
- IPEX 1 to SMA cable
- Screw set
Technical specifications of the module
- Chip: LC29H(DA)
- Feature: rover RTK
- Frequency band:
- GPS/QZSS: L1C/A, L5
- BDS: B1I, B2a
- Galileo: E1, E5a
- GLONASS: L1
- Signal reception: GPS, SBAS, QZSS, GLONASS, BeiDou, Galileo
- Registration time: cold start: 26 s, hot start: 1 s
- Acquisition sensitivity: -145 dBm
- Tracking sensitivity: -165 dBm
- Retake Sensitivity: -157 dBm
- Positioning sensitivity: 1 m CEP (PVT), 0.01 m + 1 ppm CEP (RTK)
- Highest altitude: 10000 m
- Maximum speed: 500 m/s
- Communication interface: UART, I2C
- Communication protocol: NMEA 0183 V4.10, RTCM 3.x
- Voltage: 5V (powered by 5V pin or USB input)
- Current consumption: up to 40 mA at 5 V
- Operating temperature: -40ºC to 85ºC
- Compatible with Raspberry Pi
- Dimensions: 65 x 30.5 mm
Elements included in the set.
Useful links
| Name | Value |
|---|---|
| Voltage to | 3.3 V |
| Voltage from | 5.0 V |
| Interface | I2C / UART |
| Sensor - type | GPS |
| GPS - Refreshing | 1 Hz - 10 Hz |
| GPS - Accuracy | -165 dBm |
| Width | 16 cm |
| Height | 11 cm |
| Depth | 3 cm |
| Weight | 0.161 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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