Bad Elf GNSS Surveyor

GNSS Surveyor

For Even Greater Precision in
GIS, Mapping, Agriculture, & More!
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Bluetooth GNSS Receiver & Datalogger with Barometric Sensor

Perfect for iOS/Android/Windows/Mac applications that need 1 meter accuracy using u-blox SBAS+PPP

Also supports Differential GPS (DGPS) using RTCM correction messages.

The Bad Elf GNSS Surveyor delivers ~1-meter positioning out of the box to the iPad for use in GIS, mapping, agriculture, and survey activities. The GNSS Surveyor can record raw data and produce a RINEX file through the Bad Elf application for your post-processing needs.

GIS/Mapping Features

  • Stationary high precision GNSS as low as 1m
    out of the box with PPP in regions with SBAS
  • Post-processing support via RINEX conversion 
    available in the Bad Elf app
  • Differential GPS (DGPS) supported using Internet
    delivered RTCM 2.3 via built-in NTRIP client.
  • 56 channel receiver supports GPS (US) and
    QZSS (Japan) constellations with SBAS
    (WAAS/EGNOS/MSAS), or GLONASS (Russia)
  • Obtain altitude from GPS or from the
    built-in barometer, which can be calibrated
    to a known altitude or  pressure
  • No internet connection or monthly
    subscription required

Bluetooth GPS Features

  • Sample rate configurable to 10Hz
  • View GPS or GLONASS status quickly
    with the backlit LCD
  • All day battery life allows you to track for up to 35 hours
    (24 hours when streaming over Bluetooth)
  • Access data logs directly from
    any PC or Mac using the included USB
    cable. GPS appears just like a USB
    thumb drive
  • USB connectivity to PC or Mac provides
    streaming data, raw or NMEA
  • Quickly acquires satellite lock without
    cell tower assistance. Hot start time
    as quick as 1 second
  • IPX4 splash resistance makes this
    device ready for outdoors.

App Support

The GNSS Surveyor works out of the box with all location services aware iOS apps, but apps that integrate the Bad Elf SDK can access the advanced data and features available for sub-meter accuracy. Bad Elf has begun working with several developers to support the GNSS Surveyor directly.  If you have an app and would like to support the GNSS Surveyor, please contact support today.

Affordable & Simple to Use.

At Bad Elf, we strive to create high quality, dependable products consistent with Apple's philosophy of "It just works!" Just turn on your Bad Elf GNSS Receiver and get to work. No complicated setup. Extra long battery life. No hassles.

Great Products. World-Class Service.

Need assistance? Bad Elf works hard to provide world-class customer service. If you have questions or concerns, please ask us. We stand behind our products and want you to be a delighted customer.

Package Contains

  • BE-GPS-3300 GNSS Surveyor ascessory
  • 3ft (90cm) Mini-USB cable for charging
  • 12-24V DC vehicle USB charger
  • Detachable Neck Lanyard
  • User's Manual (downloadable PDF here)


  • iPod touch (2nd, 3rd, 4th & 5th generations)
  • iPhone 6 Plus, 6, 5S, 5C, 5, 4S, 4, 3GS, and iPhone 3G
  • iPad Air 2, Air, iPad (3rd & 4th generations), iPad 2, iPad
  • iPad mini 3, iPad mini 2, and iPad mini
  • Android & Windows 10
  • Please note, to run the Bad Elf GPS App, your device must support iOS 8.0+


GPS Technical Specifications

  • ~1 meter stationary accuracy with SBAS+PPP
  • 2.5 meter accuracy while in motion
  • Up to 10Hz position update rate
  • Fast GPS lock times (45 seconds or less)
  • 56-channel GPS/GLONASS/QZSS receiver
  • RTCM support
  • Barometer for barometric altitude
  • Bright yellow enclosure to find easily outdoors

Product Specifications

  • Mini-USB port for charging and ElfPort expansion
  • 128x96 dot LCD screen with backlight
  • Up to 5 hours of raw satellite logging on the device
  • Upgradeable Firmware
  • Dimensions: 3" x 2.4" x 0.7"
    (76.5mm x 61.5mm x 17.5mm)
  • Weight: 3.2 oz (90 grams)


GNSS Surveyor

From $599.99
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