METRISIS SFAIRA

• SATELLITES TRACKING
  Channels: 1408
  BDS: B1I, B2I, B3I, B1C, B2a, B2b*
  GPS: L1 C/A, L1C*, L2P, L2C, L5
  GLONASS: L1, L2, L3*
  Galileo: E1, E5a, E5b, E6*
  QZSS: L1, L2, L5
  Cold start: <30s
  Warm start: <20s
  RTK initialization time: <5s (typical)
  RTK initialization reliability: >99.9%
  Re-acquisition: <1s

  DATA FORMAT
  Positioning data format: NMEA-0183
  Correction data format: RTCM v3.3/3.2/3.1/3.0
  Data protocol: Ntrip
  Data update rate: 1 Hz
  Baud rate: 115200 bps

  COMMUNICATION
  Bluetooth: BT2.0
  Interface: Type-C, for charging and firmware upgrade

  ACCURACY
  Standalone: 
  - 1.5m Horizontally
  - 2.5m Vertically
  DGPS: 
  - 0.4m Horizontally
  - 0.8m Vertically
  RTK: 
  - 8mm+1ppm Horizontally
  - 15mm+1ppm Vertically

  PHYSICAL
  Size: Φ50 mm ×149 mm
  Weight: 409g
  Button: 1 power button
  Indicator: 2 LEDs, indicating satellite tracking and battery status

  ELECTRICAL
  Power consumption: 1.0 W
  Input voltage: 5V DC ≤ 2A
  Battery: 4800 mAh
  - 2 hours fast charge
  - 16 hours working time, with continuous Bluetooth transmission, satellite tracking and RTK surveying

  ENVIRONMENTAL
  Working temperature: -45 ℃ to + 75 ℃
  Storage temperature: -55 ℃ to + 85 ℃
  Waterproof & dustproof: IP65
  Drop: Designed to survive a 1.5m drop onto concrete

  *BDS B2b, GPS L1C, GLONASS L3 and Galileo E6 signals are reserved for future upgrade.

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