| Attribute | Value |
|---|---|
| Model Number | WT-2828-UN |
| Chipset | XX |
| Application | Positioning, surveying and mapping, etc |
| Type | GNSS Module |
| Country of Origin | CHINA |
| Brand | OTW |
| Operating mode | GPS+GLONASS+GALILEO+BDS |
| Output Mode | UART+TTL+R232+USB |
| Baud rate | 4800bps-921600bps, Default 115200bps |
| NMEA messages | RMC, VTG, GGA, GSA, GSV, GLL |
| Update frequency | 1Hz-18Hz (default 1Hz) |
| Voltage | 3.0V to 5.0V |
| Power consumption | 35 mA @3.3V |
| Size | 28.3mm × 28.3mm × 7.5mm |
| Pin name | I/O | Description | Remark |
|---|---|---|---|
| E | I | Power Enable | |
| G | G | Ground | |
| R | I | UART Serial Data Input | |
| T | O | UART Serial Data Output | |
| V | I | Module Power Supply | |
| P | O | Time Pulse (1pps) |
| Parameter | Specification |
|---|---|
| Receiver type | GPS/QZSS L1, GLONASS L1, BeiDou B1, Galileo E1 |
| Agreement | NMEA-0183 compliant protocol or custom protocol |
| Channel | 72 |
| Sensitivity | Tracking -167 dbm, Hot start -157dBm, Cold start -148dBm |
| Cold start | Average 26 seconds |
| Hot start | Average 1 second |
| Accuracy | Horizontal accuracy 2.0m, Velocity: 0.1m/s, Timepulse signal: RMS 30 ns |
| Max Height | 18000 M |
| Max Speed | 500 m/s |
| Max Acceleration | ≤ 4G |
| Regeneration frequency | 1Hz -18 Hz |
| Positioning mode | A-GNSS |
| Port | UART/TTL/R232/USB |
| Type | 1.25mm 6pins connector |
| Power supply | 3V~5V |
| Power Consumption | 35mA@3.3V |
| Humidity range | 5% to 95% non-condensing |
| Working Temperature | -40℃ to 105℃ |
| Storage Temperature | -40℃ to 125℃ |
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