LR9548S LEADTEK, LR9548S Datasheet - Page 2

• Manufacturer Part Number: LR9548S
• Description: GPS RECEIVER MODULE
• Manufacturer: LEADTEK

Specifications of LR9548S

• No. Of Channels: 20
• Frequency Rf: 1575.42MHz
• Module Interface: Serial
• Supply Voltage Range: 3.3V To 5V
• Termination Type: SMD
• Supply Voltage Max: 5VDC
• Data Rate Max: 4800bps
• No. Of Pins: 28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Introduction
The Leadtek LR9548SLP GPS module is a high sensitivity, low power, Surface Mount Device (SMD).
This 20-channel global positioning system (GPS) receiver is designed for a wide range of OEM
applications and is based on the GPS signal search capabilities of the SiRFstarIII™ low power single
chipset, SiRF’s newest chipset technology. The LR9548SLP is also pin-to-pin compatible with the
LR9805-III (LR9548) for easier and faster transition.
The LR9548SLP is designed to allow quick and easy integration into GPS-related applications such
as:
Features
Hardware and Software
Performance
© 2006 Leadtek Research Inc. All rights reserved.
Preliminary Confidential - Information is subject to change without prior notice.
PDA, Pocket PC, and other computing devices
Car and Marine Navigation
Fleet Management /Asset Tracking
AVL and Location-Based Services
Hand-Held Device for Personal Positioning and Navigation
Based on the high performance features of the SiRFstarIII low power single chipset
Compact module size for easy integration: 24x20x2.9 mm (0.94x0.79x0.11 in)
Fully automatic assembly: reflow solder assembly ready
Hardware compatible with SiRF GSW3 v3.2.2 software
Multiple I/O pins reserved for customizing special user applications
RoHS compliance
Cold/Warm/Hot Start Time: 42/38/1 sec. at open sky and stationary environments.
Reacquisition Time: 0.1 second
RF Metal Shield for best performance in noisy environments
Multi-path Mitigation Hardware
LR9548SLP Specifications Sheet Rev. 0.1
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