Key facts
- Brand
- Leadtek
- Model
- LR9552
- Category
- Other device
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-09
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Leadtek LR9552 GPS Module User Manual
The LR9552 is a compact, high‑sensitivity GPS module with a built‑in SiRFStarIII™ receiver. It supports a variety of OEM applications such as handheld devices, automotive and marine navigation, and asset‑tracking systems. The manual describes the module’s architecture, dimensions, environmental limits, and compliance information.
Key sections cover hardware interface options (RS232/TTL), software features, performance characteristics like cold‑start time and reacquisition time, and reference designs for power control. Regulatory compliance (RoHS, FCC, CE) and a glossary of terms are also included.
Leadtek LR9552 specifications
| Length | 25.0 mm ±0.3 |
|---|---|
| Width | 25.0 mm ±0.3 |
| Height (4 mm patch antenna) | 8.90 mm ±0.3 |
| Weight (4 mm antenna) | 13.0 g |
| Operating temperature range | -30 °C to +60 °C |
| Baud rate options | 4800, 9600, 19200, 38400, 57600 bps (default 4800) |
| Cold start time | 1 second |
| Warm start time | 38 seconds |
| Hot start time | 42 seconds |
| Reacquisition time | 0.1 second |
| Power supply input | 5.0 VDC |
| Output frequency | 1 Hz |
All Leadtek LR9552 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the cold start time of the LR9552LP module?
The cold start time is 1 second.
Which serial protocols does the module support?
It supports NMEA‑0183 and SiRF Binary protocols, with NMEA as the default.
What is the cold start time of the LR9552 module?
The cold start time is 42 seconds.
Which serial interfaces does the LR9552 support?
It supports either an RS232 or a TTL level serial port for GPS communication.