Key facts
- Brand
- QLEADTEK
- Model
- LR9548S
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-11
Start here
Leadtek LR9548S GPS Module Technical Manual
The LR9548S is a high‑sensitivity, low‑power surface‑mount GPS receiver designed for OEM integration. It uses the SiRFstarIII single‑chip architecture and offers 20 tracking channels in a compact 24 × 20 × 2.9 mm package.
The manual covers hardware and software features, electrical and environmental specifications, pin‑out diagrams, reference designs, and ordering information, helping developers quickly incorporate the module into handheld, automotive, or fleet‑tracking applications.
QLEADTEK LR9548S specifications
| Chipset | GSC3f SiRFstarIII single chip |
|---|---|
| Channels | 20 |
| Position Accuracy | 10 m 2D RMS |
| Power Supply Voltage | 3.2 ~ 5.0 VDC |
| Power Consumption (continuous) | 230 mW |
| Operating Temperature | -40 °C to +85 °C |
| Interface | TTL serial, NMEA‑0183/SiRF Binary |
All QLEADTEK LR9548S documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the power supply voltage range for the LR9548S module?
The module operates from a 3.2 V to 5.0 V DC power input.
How many satellite channels does the LR9548S support?
It supports 20 tracking channels.
What is the power consumption of the LR9548SLP module?
The module consumes 165 mW in continuous mode.
What is the time to first fix for a hot start?
A hot start typically takes about 1 second.