Sfaira ONE GNSS Receiver

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: 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.