SparkFun RTK Express Plus

Sparkfun ElectronicsSKU: RB-Spa-2012
Manufacturer #: GPS-18590

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Sale price ¥100,263

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Description

  • SparkFun RTK Express Plus
  • Offers an easy to use GNSS receiver
  • Perfect for surveying, autonomous vehicles, and logging
  • Receives both L1C/A and L2C bands
  • Built-in IMU (triple-axis accel, triple-axis gyro)
  • Embedded OLED display

The SparkFun RTK Express Plus is an easy-to-use GNSS receiver for centimeter-level positioning. Perfect for surveying, autonomous vehicles, logging, and all types of post-processing, this preprogrammed device can also be used for autonomous driving, navigation, asset tracking, and any other application where there is a clear view of the sky.

The RTK Express Plus adds an internal IMU to combine real-time GNSS tracking with advanced sensor fusion. The result is accurate positioning even when GNSS is lost in tunnels, parking garages, etc. Out of the box, an RTK Express Plus can be used with a correction source to create an RTK system capable of 14mm horizontal positional accuracy.

SparkFun RTK Express Plus - Click to Enlarge

The built-in Bluetooth connection via an ESP32 WROOM enables the user to use the RTK Express Plus with their choice of GIS application on a phone or tablet. The built-in battery allows for over five hours of field use and is compatible with common USB battery banks.

Two cables are provided with the RTK Express Plus allowing a user to plug in our easy-to-use Serial Telemetry Radios or their own radio link. If a local correction source is within 10 km, a user can also use their phone to provide correction data over the Bluetooth link (no external radio needed!).

SparkFun RTK Express Plus - Click to Enlarge

GNSS Positioning (~30cm accuracy): In Position mode, the device receives L1/L2 signals from a user-provided antenna and the high-grade GNSS receiver provides lat/long and altitude with accuracies around 300 mm. If enabled in automotive applications, the internal IMU augments the position information when GNSS reception is degraded.

SparkFun RTK Express Plus - Click to Enlarge

GNSS Positioning with RTK (1.4 cm accuracy): In Positioning with RTK mode the device receives L1/L2 signals from the antenna and correction data from a base station. The correction data can be obtained from a cellular link to online correction sources or over a radio link to an RTK Surveyor/Express set up as a base station. If enabled in automotive applications, the internal IMU augments the position information when GNSS reception is degraded.

Note: The SparkFun RTK Express Plus is just the enclosed device and does NOT include an antenna, serial telemetry radio, or associated mounting pieces. These items will need to be purchased separately from the Hookup Accessories below.

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