The SparkFun RTK Torch is your one-stop shop for high-precision geolocation and GIS needs. We compiled your wish list and got it all: tri-band reception, tilt compensation, and millimetre accuracy; all protected inside of a waterproof housing.
The SparkFun RTK Torch is your one-stop shop for high-precision geolocation and GIS needs. We compiled your wish list and got it all: tri-band reception, tilt compensation, and millimetre accuracy; all protected inside of a waterproof housing.
With just the press of a button, the RTK Torch is the fastest way to take millimetre-grade measurements. By connecting your phone to the RTK Torch over Bluetooth, your phone or tablet can receive the NMEA output and work with most GIS software. This is exactly how professional-grade surveying devices have been operating for the past decade - we just made it faster, more precise, and a lot more economical.
The RTK Torch includes a feature we call Zero-Touch RTK. Give the device the WiFi credentials for a hot spot or other WiFi network and it will begin getting corrections without any further setup. No NTRIP credentials required! These corrections are obtained over WiFi from u-blox PointPerfect and are available in the US, EU, and various parts of Australia, Canada, Brazil, and Korea (see the coverage map). The RTK Torch includes a one month free subscription to PointPerfect. Additional subscriptions can be purchased if desired. If PointPerfect coverage is not available in your area, corrections from a local base station or service can be provided to the device over NTRIP (delivered via Bluetooth or WiFi).
We've upgraded the housing to a fully IP67 rated enclosure, so it’s waterproof when submerged up to 1 meter for up to 30 minutes when the USB cover is closed. The RTK Torch comes in a hard sided carrying case with lots of room for a tablet, data collector, or other device.
Under the bonnet of the SparkFun RTK Torch is an ESP32, a UM980 L1/L2/L5 high precision GNSS receiver from Unicore, and an IM-19 for tilt compensation. The addition of the L5 reception makes this portable GNSS device ideal for densely canopied areas where normal L1/L2 reception may have problems.
This device can be used in a variety of modes but these are six of the most common:
For more information on how each of these modes work, check out the hookup guide.
The RTK Torch runs open source software meaning you can fully obtain, see, and even modify the functionality of the device. This allows for easier feature expansion, bug maintenance, and longer device longevity.
The SparkFun RTK Torch kit includes everything you need: the enclosed device, thread adaptor, charger, data cables, and carrying case, along with a free one month subscription to PointPerfect for RTK corrections via Internet. It does NOT include a surveying pole. Any additional items will need to be purchased separately.
Includes:
Supported GIS Data Collector Software:
Overall Device
GNSS Receiver: UM980
Bluetooth® Transceiver: ESP32 WROOM
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