GIS & Mapping

Join the Mobile, App-Based Solution Revolution

For decades, site surveys and field data collection have been done using proprietary “vertical stack” Geographic Information System (GIS) solutions.  At the time, having a single vendor for the combined hardware, software, back-office, and server-side components made sense.

Today, many GIS professionals and firms are finding these systems too expensive, cumbersome, or rigid to support their requirements. Cloud-based server technologies can be deployed in minutes with no server hardware costs.  Mobile platforms such as the iPad and Android-based tablets are doubling in capability every 6-12 months.  

Combine these trends with open and innovative 3rd-party app ecosystems and there is no way a proprietary, single-vendor system can possibly keep pace.

Mapping-Grade GPS, Powered by Bad Elf

Our Bad Elf GNSS receivers provide reliable and high-performance GPS reception to any Bluetooth equipped computing device - Apple, Android, or Windows. On iOS devices, Bad Elf accessories work with any location-based app in the iTunes App Store.  Bad Elf also supports Android and Windows devices, providing streaming location data in standard NMEA sentences.

Our products offer a range of capabilities and precision (from 2.5 meters down to 1 meter) to match your requirements.

Doesn't My Tablet Already Have GPS?

It depends.  The majority of iPad devices sold by Apple are the Wi-Fi only models, which do not have an internal GPS receiver. Our products provide rock-solid location services for most GIS and field data collection applications.

The iPhone and cellular models of the iPad DO have an internal GPS receiver, which will provide a reasonably reliable position.  Many surveyors discover that the internal GPS is not as reliable when in remote areas without cell phone connectivity.

The GPS in many Android and Windows devices varies from manufacturer to manufacturer; few hardware vendors take the time to fully optimize the GPS receiver and antenna for GIS use.

It's All About The Apps

For the foreseeable future, innovation in the GIS industry will be driven by mobile apps.

Our products work seamlessly with most GIS & mapping apps. Our products are certified thru Apple’s MFi hardware accessory program, so they work with any location-based app in the iTunes App Store.

We are forging strong relationships with GIS app developers taking advantage of our products’ advanced hardware features thru our Bad Elf Developer program. There are no restrictions on how you use your data. We believe in open standards. Any device that can connect to a Bad Elf GNSS receiver via Bluetooth will be able to consume data directly from our GNSS accessories. Your data. Your way.


Bluetooth GPS


Our Bluetooth units stream GPS data wirelessly to the iPad.

  • Bluetooth communications ideal for tablets in rugged/waterproof cases.
  • LCD screen shows status, GPS data, lock type, and datalogger status.
  • Up to 32hr battery life.
  • 100-200hr datalogger records your flights for debriefing or sharing with friends.
  • Barometric pressure altimeter and USB functionality (on some models).

 Learn more about Bluetooth GPS →

Plug-in GPS


Our plug-in models connect directly to the 30-pin or Lightning connector on the iPad.

  • Zero configuration: just plug in and apps immediately start receiving GPS data.
  • No batteries to charge; clip it onto your keychain or flight bag.
  • Pass-thru Micro USB connection allows charging of iOS device while dongle is connected.

Learn more about Plug-in GPS →



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