This file is the manual for Leadtek GPS 9952LP module (LR9552LP), which introduces the features of the module, including hardware and software, performance, interface, module architecture, software features, environmental specifications, reference design, regulations compliance, performance characteristics, hardware interface power supply, software interface, mechanical drawing and PCB footprints, package, RoHS compliant information etc.
This manual describes the Leadtek LR9552LP GPS module, a compact high‑sensitivity GPS receiver built on the SiRFStarIII™ architecture. It outlines the module's dimensions, environmental limits, power requirements, and supported communication protocols for easy integration into PDA, automotive, and fleet‑tracking applications.
Key sections cover hardware interface details, software features such as NMEA‑0183/SiRF Binary output, performance characteristics like cold‑/warm‑/hot‑start times, and regulatory compliance (RoHS, FCC, CE). The document also includes mechanical drawings, package specifications, and a glossary of terms.
| 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 |
The cold start time is 1 second.
It supports NMEA‑0183 and SiRF Binary protocols, with NMEA as the default.
The module operates from –30 °C up to +60 °C.
Supported baud rates are 4800, 9600, 19200, 38400 and 57600 bps, defaulting to 4800 bps.