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gps module Technical Specification:
| Feature | Item | Description |
| General | Frequency | L1, 1575.42 MHz |
| C/A CODe | 1.023 MHz chip rate | |
| Channels | 20 | |
| Accuracy | Position | 10 meters, 2D RMS |
| 5 meters 2D RMS, WAAS corrected | ||
| <5meters (50%) | ||
| Velocity | 0.1 meters/second | |
| Time | 1 microsecond synchronized to GPS time | |
| Datum | Default | WGS-84 |
| Other | selectable for other Datum | |
| Time to First Fix (TTFF)(open sky & stationary requirements) |
Reacquisition | 0.1 sec., average |
| Hot start | 1 sec., average typical TTFF | |
| Warm start | 38 sec., average typical TTFF | |
| Cold start | 42 sec., average typical TTFF | |
| Snap start | 1 sec., average | |
|
Dynamic Conditions |
Altitude | 18,000 meters (60,000 feet) max. |
| Velocity | 515 meters/second (1000 knots) max. | |
| Acceleration | 4g, max. | |
| Jerk | 20 meters/sec.3 max. | |
| Power | Main power | +3.3 ~ 5.0 V |
| Power consumption | ≈165 mW (continuous mode) | |
| Supply Current | ≈49 mA | |
| Backup Power | 1.65 ~ 5.0 VDC input | |
| Serial Port | Electrical interface | Two full duplex serial TTL |
| Protocol | NMEA-0183@4800 bps (default) | |
| Time-1PPS Pulse | Level | TTL |
| Pulse duration | The 1PPS pulse width is 1μs, this 1PPS is NOTsuited to steer various oscillators (timing receivers,telecommunications system, etc. | |
| Time reference | At the pulse positive edge | |
| Measurements | Aligned to GPS second, ± 1 microsecond |
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- 連科電子股份有限公司 [加为商友]
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