SKU: 98865247086

SparkFun RTK Surveyor Kit

Sale price$224.96 Regular price$249.96
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

SparkFun RTK Surveyor KitPLEASE NOTE: No UK power supply is included with this kit. You will need to supply our own appropriate USB 5V, 2A charger supply. The RTK Surveyor 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 300mm approximate accuracy out of the box and 18mm accuracy with RTCM corrections. This kit provides the L1 L2 antenna, adapters, interface cables, and chargers

PLEASE NOTE: No UK power supply is included with this kit. You will need to supply our own appropriate USB 5V, 2A charger / supply.

The RTK Surveyor 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 300mm approximate accuracy out of the box and 18mm accuracy with RTCM corrections. This kit provides the L1/L2 antenna, adapters, interface cables, and chargers needed for general GNSS use.

We generally recommend using your cellular phone as the radio backhaul for RTCM but you can also use your own, higher power radios as long as they support 57600bps. We also recommend logging all data to your phone over Bluetooth. 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 32GB).

Please keep in mind that you will need to provide your own mono-pod or tripod as well as a cell-phone type holder for securing the RTK Surveyor to your mono-pod or tripod.

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

Sparkfun RTK Comparison

RTK Surveyor

A versatile enclosed device that can be used either for centimeter accuracy positioning or as a base station.

Rover Base IMU Display Receiver Antenna Battery Application
Yes Yes No No u-blox
ZED-F9P
External 1000mAh Surveying or Base

RTK Express

We've taken everything that is good about the RTK Surveyor and upgraded with a display, a better battery and an accelerometer for digital leveling.

Rover Base IMU Display Receiver Antenna Battery Application
Yes Yes No Yes u-blox
ZED-F9P
External 1300mAh Surveying or Base

RTK Express Plus

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.

Rover Base IMU Display Receiver Antenna Battery Application
Yes No Yes Yes u-blox
ZED-F9P
External 1300mAh Surveying

Features

GNSS Receiver: ZED-F9P

  • Concurrent reception of GPS, GLONASS, Galileo and BeiDou
  • Receives both L1C/A and L2C bands
  • Current: 68mA - 130mA (varies with constellations and tracking state)
  • Time to First Fix: 25s (cold), 2s (hot)
  • Max Navigation Rate:
    • PVT (basic location over UBX binary protocol) - 25Hz
    • RTK - 20Hz
    • Raw - 25Hz
  • Horizontal Position Accuracy:
    • 2.5m without RTK
    • 0.010m with RTK
  • Max Altitude: 50km (31 miles)
  • Max Velocity: 500m/s (1118mph)

Bluetooth® Transceiver: ESP32 WROOM

  • Xtensa® dual-core 32-bit LX6 microprocessor
  • Up to 240MHz clock frequency
  • 16MB of flash storage
  • 520kB internal SRAM
  • Integrated 802.11 BGN WiFi transceiver
  • Integrated dual-mode Bluetooth® (classic and BLE)
  • Hardware accelerated encryption (AES, SHA2, ECC, RSA-4096)
  • 2.5 µA deep sleep current

Overall Device

  • Internal Battery: LiPo 1000mAh with 500mA charging
  • Radio Port: 3.3V TTL Serial (57600bps RTCM TX/RX, configurable)
  • Data Port: 3.3V TTL Serial (460800bps NMEA, configurable)
  • Toggle switch controls
  • Weight: 162g (entire device including battery)
  • Dimensions: 132mm x 101mm x 32mm (5.2in x 3.9in x 1.2in)
  • 1x Qwiic Connector
  • 1x microSD Socket for optional logging

GNSS Multi-Band L1/L2 Surveying Antenna

  • Gain: ≥5dBi
  • LNA Gain: 40dB
  • Reception Frequencies
    • L1: 1555 to 1615MHz
    • L2: 1198 to 1278MHz
  • 50 Ohm Antenna Impedance
  • Overall antenna weight: 335g
  • Bare antenna element weight (including MMCX connector, with RF shield): 160g
  • Dimensions: 148 x 55mm
  • Waterproof IP67
  • Connector: Female TNC

Included

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

Required:

  • Appropriate 5V, 2A USB power supply / Charger

Not Included/Optional:

Resources

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 98865247086

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Leslie Guffey
Los Angeles, US
★★★★★ 5
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Size: One-Size-for-Most
Definitely my girls favorite ball 😀. It disappears and I have to buy another one or she goes nuts. Glows in the dark, brighter with more sun. The bounce light up don’t last a real long time, too quick to quit for her but still loves it.
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Reviewed in the United States on May 13, 2026
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AirNelson
West Palm Beach, US
★★★★★ 5
Durable & Bright - Great for Heavy Chewers
Size: One-Size-for-Most
Pros: Extremely Durable: Survived an aggressive chewer where tennis balls failed. Dual-Visibility: Features both internal flashing lights and a glow-in-the-dark "chargeable" surface. Perfect Size: Fits comfortably in the mouth of a 40lb medium-sized dog. Same size as a tennis ball. Cons: Battery Life: Unsure how long the internal flashing lights will last (though it has held up well so far).
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Reviewed in the United States on February 8, 2026
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Andrea S.
Belleville, US
★★★★★ 5
Great for night time play!
Size: One-Size-for-Most
This ball is great! It is a 2-for-one light up feature so we love the flashing lights and if she drops it in the snow after those lights stop, we can still find it because of the strong glow that gets its charge from the flashing LED lights. Our first one lasted a few years, we lost it on a trip so now back for our second one so we can keep the night time fetch going! She is a golden retriever for size reference. Any bigger of a breed and I would worry it might be too small for her mouth. It’s a bit smaller than a tennis ball. Just don’t make the same mistake I did and let them have it in the house at night, she walked up to my bedside while I was asleep one night and squeezed it to activate it. Those lights are so bright it was a rude awakening!
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Reviewed in the United States on November 11, 2025
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Katie
Port Orchard, US
★★★★★ 4
Good option for playing at night
Size: One-Size-for-Most
This ball is a good option if your dog likes to fetch at night. It stays lit for about 20 minutes or so, but that is me only leaving it out of the counter, being "charged" by whatever house lights are on. My dog isn't a big chewer, but it seems as though it would hold up well. I like that it is easy to rinse and clean. It seems to be a good value.
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Reviewed in the United States on January 16, 2026
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Amazon Customer
Draper, US
★★★★★ 5
Night play
Size: One-Size-for-Most
My dog like many other dogs loves to play. We needed a ball that fit into the handheld thrower we had but something that we could find it at night. This has been wonderful!
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