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Product description: GNSS-RTK Dead Reckoning Breakout - GPS Module - ZED-F9K - Qwiic - SparkFun GPS-18719
GNSS-RTK Dead Reckoning Breakout is a GPS module equipped with u-blox's ZED-F9K chip. It receives data from major positioning systems, which include GPS, GLONASS, Galileo and BeiDou with an accuracy of 0.2 meters (supports simultaneous reception of four GNSS systems). It supports L1C/A and L2C bands and uses Automotive Dead Reckoning (ADR) technology. It combines a 3D IMU sensor, vehicle dynamics model, correction data and GNSS measurements to provide highly accurate and continuous position information. It is used when positioning is required in cities and covered areas, providing continuous positioning even when the signal is weak or intermittent. The module also has a Qwiic connector with I2C interface, UART and SPI interfaces are additionally available, as well as a USB connector and a battery connector.
A detailed user guide and useful documentation and schematics are available on the manufacturer's website - check it out!
Featuring the powerful ZED-F9K chip.
GNSS-RTK Dead Reckoning Breakout - GPS Module - ZED-F9K - Qwiic - SparkFun GPS-18719.
Technical specifications of the module
- Supply voltage: 3.3 V / 5 V
- Current consumption: 85 mA to 130 mA (depending on operating conditions)
- Data reception from positioning systems: GPS, GLONASS, Galileo and BeiDou
- 184-channel GNSS receiver
- Receiving bandwidth: L1C/A and L2C
- Maximum navigation speed: up to 30 Hz
- Position acquisition:
- cold start - 26 seconds
- Hot start - 2 seconds
- Operating limitations:
- Max G: ≤ 4G
- Maximum altitude: 50 km
- Maximum speed: 500 m/s
- Positioning accuracy: 20 cm with RTK
- Speed accuracy: 0.5 m/s
- Course accuracy: 0.2 degrees
- Built-in accelerometer and gyroscope
- Time pulse accuracy: 30 ns
- Software configurable: geofencing, odometer, low power mode, external interrupt, pin control, low power mode and more
- Supports NMEA, UBX and RTCM protocols via UART or I2C interfaces
- 2 x Qwiic connector
- 1 x USB type C connector
- Integrated SMA connector for use with antenna of choice
- Dimensions: 61 x 43.2 mm
Kit contents
- GNSS-RTK Dead Reckoning Breakout - GPS module - ZED-F9K - Qwiic - SparkFun GPS-18719
The kit does not include the antenna, battery and microcontroller - these must be purchased separately.
Satellite navigation - what is GNSS?
GNSS is a Global Navigation Satellite Systems, which covers the whole Earth. Its main function is to determine your position. GNSS systems also include GPS Global Positioning System and GLONASS. Wondering how satellite navigation works? It's simple - as a type of radio navigation, it uses radio waves that are broadcast from artificial satellites to determine the position of points and moving receivers along with the parameters of their movement on the Earth's surface.
GNSS-RTK Dead Reckoning Breakout - from SparkFun.
