These receivers are capable of sub-meter accuracy via free SBAS satellite corrections from the WAAS constellation.

These receivers are capable of centimeter accuracy when connected to an RTK network or base station over cellular service.

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Bad Elf Flex Standard | GNSS Receiver (RTK)

Bad Elf Flex™ democratizes GNSS and economizes field data collection.

Our customers shared their needs for lower cost GNSS solutions that include full RTK rover workflow. Bad Elf Flex delivers, with 30-60cm accuracy all day, every day.

Need higher accuracy? No problem! Bad Elf Flex tokens provide a USD $25 per day rate for features that typically cost thousands of dollars – and every Bad Elf Flex unit includes a free starter pack for you. This daily rate includes full access to both an unlocked RTK workflow and the Atlas L-Band correction service. Bad Elf Flex is the first GNSS receiver to have a daily choice with unlimited switching between L-Band and RTK.

If you require an RTK survey-grade rover for use more than 30 to 40 days a year, consider the Bad Elf Flex Extreme.

$2,999.99

Description

Package Contents

  • BE-GPS-5500 Flex receiver
  • 3ft (90cm) Mini-USB cable for charging
  • 12-24V DC vehicle USB charger
  • Wall adapter
  • Accessory case
  • Rugged waterproof case
  • 5/8″ x 11 to 1/4″ x 20 adapter
  • User’s Manual

Part Number

  • Model BE-5500-GPS

Positioning Engine

  • GPS: L1CA/L1P/L1C/L2P/L2C/L5
  • GLONASS: G1/G2/G3, P code (P1/P2)
  • BeiDou: B1i/B2i/B3i/B10C/B2A/B2B/ACEBOC
  • Galileo: E1BC/E5a/E5b/E6BC/ALTBOC
  • QZSS: L1CA/L2C/L5/L1C/LEX
  • IRNSS: L5

Positioning Performance

  • Horizontal accuracy- RTK: 8 mm + 1 ppm
  • Horizontal accuracy- SBAS (WAAS): 0.3m
  • Horizontal accuracy- Autonomous:1.2 m
  • Horizontal accuracy- L-Band via Atlas: 4 cm
  • Timing (1PPS) accuracy: 20 ns
  • Cold start time: < 60 s typical (no almanac or RTC)
  • Warm start time: < 30 s typical (almanac and RTC)
  • Hot start time: < 10 s (almanac, RTC, and position)
  • Maximum speed: 1,850 kph (999 kts)
  • Maximum altitude: 18,288 m (60,000 ft)
  • Differential options: SBAS, Autonomous, External RTCM v2.3, RTK v3, L-band (Atlas), and DGPS
  • Correction I/O protocol: Hemisphere GNSS’ ROX, RTCM v2.3 (DGPS), RTCMv3 (RTK), CMR, CMR+, Atlas

Specifications

Interfaces

  • USB: USB 2.0 device via Mini-USB receptacle
    USB 2.0 host OTG via supplied adapter
  • Bluetooth: Bluetooth V4.0 (HS) with integrated Class 1.5 PA
    Supports 3 simultaneous connections
  • Wi-Fi: 802.11b/g/n

Compatibility

  • Platforms: iOS, Android, Windows
  • Mobile App: The Bad Elf Flex App requires iOS 9.0+ or Android 9+
  • Connectivity: Bluetooth SPP, USB Serial

Operating Specifications

  • Operating: –4°F to +131°F (–20°C to +55°C)
  • Battery Powered: -14°F to +140°F (-10°C to +60°C)
  • Externally Powered: -22°F to +140°F (-30°C to +60°C)
  • Charging Temp: 41°F to +113°F (+5°C to +45°C)
  • Storage Temp: –40°F to +167°F (–40°C to +75°C)

Battery Specifications

  • Full RTK: 11 hours
  • L-band Atlas: 7 hours

Mechanical Specifications

  • User interface: Transflective LCD
    Membrane Buttons
    3 multicolor LEDs
    Audible tones
  • Dimensions: 10.0” x 2.75” / 254mm x 70mm
  • Weight: 29oz / 854g
  • Helical Antenna Phase Center: 23cm above base of Flex unit without adapter installed
    Add 1.5cm with adapter installed

Environmental Specifications

  • Humidity: 100% condensing
  • Waterproof: IP65

Product Specifications

  • USB Port: Mini-USB port for charging and ElfPort™ expansion
  • Accelerometer: 3-axis
  • Display: 400 x 240 pixel transflective LCD screen with backlight
  • Firmware: Field upgradeable via app or USB

Manual

User Manual

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