SparkFun RTK Surveying Kit

Sparkfun ElectronicsSKU: RB-Spa-2005
Manufacturer #: GPS-17370

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Sale price $852.71

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  • SparkFun RTK Surveying Kit
  • Offers a Bluetooth enabled multi-band GNSS receiver
  • Comes with USB A to C cable
  • Incudes a Data Cable and a Radio Cable
  • Receives both L1C/A and L2C bands
  • USB Wall Charger: 5 V

The SparkFun RTK Surveying Kit is a Bluetooth-enabled multi-band GNSS receiver based on the ESP32 from Espressif and the ZED-F9P from u-blox.

Flip the switch and you'll have 300 mm approximate accuracy out of the box and 18 mm accuracy with RTCM corrections. This kit provides the L1/L2 antenna, adapters, interface cables, and chargers needed for general GNSS use.

SparkFun RTK Surveying Kit - Click to Enlarge

This is as simple as checking a box within SW Maps. But if you prefer to do long surveys, or need to deal with RAWX measurements where a phone will not be present, a microSD card should be purchased (any size up to 32 GB).

SparkFun RTK Surveying Kit - Click to Enlarge

The SparkFun RTK Surveying Kit has everything you need to get centimeter-level global positioning measurements using GNSS RTK. The kit features a handy carrying case to protect the most expensive bits, allowing you to quickly attach the L1/L2 antenna and RTK Surveyor housing to the pole or tripod of your choice. The kit includes all the antenna bits, cables, and chargers you need to jump right into the field.

Note: The L1/L2 antenna has a 5/8 inch thread which will fit most surveying platforms. The kit includes a 5/8 to 1/4 inch adapter as well which will fit most camera monopods and tripods. You may need additional adapters for your specific equipment.

  • 1x RTK Surveyor
  • 1x RTK Kit Carrying Case
  • 1x GNSS L1/L2 Multi-Band Antenna - TOP106
  • 1x Antenna Interface Cable - SMA to TNC (300 mm)
  • 1x 1/4 to 5/8 inch Antenna Thread Adapter
  • 1x USB Wall Charger - 5V, 2A
  • 1x USB A to C Cable - 0.8 m
  • 1x Data Cable
  • 1x Radio Cable


  • 132 x 101 x 32 mm / 5.2 x 3.9 x 1.2 inch
  • Antenna size: 148 x 55 mm
  • USB A to C cable: 0.8 m
  • Antenna Interface cable: 300 mm

  • Internal Battery: LiPo 1000 mAh with 500mA charging
  • Radio Port: 3.3 V TTL Serial (57600 bps RTCM TX/RX, configurable)
  • Data Port: 3.3 V TTL Serial (460800 bps NMEA, configurable)
  • Toggle switch controls
  • Qwiic Connector: Included
  • microSD Socket for optional logging: Included
  • Time to First Fix: 25s (cold), 2s (hot)
  • Max Navigation Rate: PVT - 25 Hz | RTK - 20 Hz | Raw - 25 Hz
  • Horizontal Position Accuracy: 2.5 m without RTK | 0.010 m with RTK
  • Max Altitude: 50 km (31 miles)
  • Max Velocity: 500 m/s (1118 mph)
  • Weight: 162 g (an entire device including battery)

Bluetooth Transceiver (ESP32 WROOM)

  • Xtensa dual-core 32-bit LX6 microprocessor
  • Clock Frequency: Up to 240 MHz
  • Flash Storage: 16 MB
  • Internal SRAM: 520 KB
  • Integrated 802.11 BGN WiFi transceiver
  • Integrated dual-mode Bluetooth (classic and BLE)
  • Hardware-accelerated encryption (AES, SHA2, ECC, RSA-4096)
  • Deep Sleep Current: 2.5 µA

GNSS Multi-Band L1/L2 Surveying Antenna

  • Gain: ≥5 dBi
  • LNA Gain: 40 dB
  • Reception Frequencies: L1: 1555 to 1615 MHz | L2: 1198 to 1278 MHz
  • Antenna Impedance: 50 Ohm
  • Waterproof IP67
  • Connector: Female TNC
  • Bare antenna element weight (including MMCX connector, with RF shield): 160 g
  • Overall antenna weight: 335 g

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