Attribute | Value |
---|---|
Model Number | WT-2828-DK |
Application | Positioning, surveying and mapping, etc |
Brand | OTW |
Baud rate | 4800bps-921600bps, Default 115200bps |
NMEA messages | RMC, VTG, GGA, GSA, GSV, GLL |
Update frequency | 0.25Hz-10Hz (default 1Hz) |
Voltage | 3.0V to 5.0V |
Size | 28.3mm × 28.3mm × 7.5mm |
Parameter | Specification |
---|---|
Chip | WT-2828-DK |
Receiver type | BDS:B1I/B1C & B2a, GPS/QZSS:L1C/A & L5, GLONASS:L1, Galileo:E1 & E5a |
Arithmetic | Integration RTK + Inertial navigation |
Agreement | NMEA-0183 compliant protocol or custom protocol |
Channel | 128 |
Sensitivity | Tracking: -167dbm, Capture: -158dbm, Cold start: -148dbm |
Startup time | Cold start: 28s (average), Hot start: 1s (average) |
Accuracy | Level 1cm+1ppm CEP50; Elevation 2cm+1ppm CEP50 |
Max Height | 18000 M |
Max Speed | 515 m/s |
Max Acceleration | ≤ 4G |
Regeneration frequency | 0.25 Hz -10 Hz |
Positioning mode | A-GNSS, Double frequency RTK + Inertial navigation |
Port | UART/TTL/R232 |
Power supply | 3V~5V, 35mA@3.3V |
Operating Temperature | -40℃ to 85℃ |
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