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Dual-band GPS/RTK L1+L5 module with LC29H(BS) GNSS chip - overlay for Raspberry Pi - Waveshare 25280
Dual-band GPS module with GNSS LC29H(BS) receiver designed for Raspberry Pi and Jetson Nano minicomputers, supporting L1 and L5 bands. It has an RTK (Real Time Kinematic) function, which allows for precise positioning at the centimeter level in real time. Perfect for applications that require high precision , such as creating base stations .
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Product description: Dual-band GPS / RTK L1 + L5 module with GNSS LC29H(BS) system - shield for Raspberry Pi - Waveshare 25280
LC29H(BS) GPS / RTK HAT is an advanced GNSS module that offers the RTK (Real Time Kinematic) function, enabling precise positioning at the centimeter level in real time. It supports the output of raw GNSS observations and corrections, which enables the creation of RTK base stations . Additionally, it has a built-in low-noise amplifier and an acoustic surface filter, which allows for high sensitivity and effectiveness in eliminating interference. The module has a standard 40-pin GPIO connector, which allows easy connection to Raspberry Pi and Jetson Nano . Thanks to A-GNSS (Assisted GNSS) support, the module reduces the time to first fix (TTFF) on cold start to 5 seconds. The LC29H(BS) also has a connector that supports the ML1220 battery , which allows you to store ephemeral information and quickly start up. There are also LEDs on the board that indicate the module's operating status.
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(BS) system - overlay for Raspberry Pi - Waveshare 25280.
Botland is an official distributor of Waveshare devices. Their versatility and compatibility, particularly in display and power technology, have won over customers all over the world. Our team guarantees that all Waveshare products presented here are original.
GPS module with GNSS LC29H(BS) receiver, compatible with Raspberry Pi and Jetson Nano.
Main features of the module
- Supports GNSS observation and correction output, enabling the establishment of an RTK base station.
- Built-in low noise amplifier and surface acoustic filter for high sensitivity and noise immunity enhancement.
- Support multi-frequency active interference cancellation, effectively suppressing or eliminating interference of narrow band signals (e.g. WiFi/2/3/4/5G), ensuring navigation accuracy.
- Support for A-GNSS (Assisted GNSS), reducing time to first fix (TTFF) during cold start to 5 seconds.
- Support for QGNSS software, making it easier to set various module functions.
- Supports ML1220 battery to store ephemeris information and quick start.
- Four LEDs on the board informing about the module status.
- Lots of online development resources and manual available (Python examples for Raspberry Pi / Jetson Nano).
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 is 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 (such as LC29H(BS)) is placed at known, fixed coordinates, and the mobile module (such as LC29H(DA)) receives corrections from the base station, allowing for quick and accurate positioning in real time. It is a key technology for applications requiring precise navigation , such as machine control, mapping systems and drones.
Set contents
- Dual-band GPS/RTK L1+L5 module with GNSS LC29H(BS) system - overlay for Raspberry Pi - Waveshare 25280
- 2x 20-pin female connector
- External GPS antenna (D)
- IPEX 1 to SMA cable
- Screw set
Technical specifications of the module
- Chip: LC29H(BS)
- Function: RTK base
- Frequency band:
- GPS/QZSS: L1C/A, L5
- BDS: B1I, B2a
- Galileo: E1, E5a
- GLONASS: L1
- Signal reception: GPS, SBAS, QZSS, GLONASS, BeiDou, Galileo
- Acquisition sensitivity: -147 dBm
- Tracking sensitivity: -165 dBm
- Retake Sensitivity: -159 dBm
- 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 - Accuracy | -165 dBm |
| Width | 13.5 cm |
| Height | 10 cm |
| Depth | 4 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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