G, TTL, with LR9548S) Features: SiRF StarIII low power single chipset 40.64 x 71.12 x 1.4 mm (1.6 x 2.8 x 0.5 inch) TTFF(C/W/H) : 42 / 38 / 1 sec. RoHS compliance Revision History: Revision Release Date Issuer Change Description 0.6 2008/05/28 M.Huang Add revision history ALL INFORMATION CONTAINED HEREIN IS THE SOLE PROPERTY OF LEADTEK RESEARCH AND CANNOT BE DISSEMINATED WITHOUT THE EXPRESS WRITTEN CONSENT OF LEADTEK RESEARCH. i s s LR9540(G) ( with LR9548S ) Specifications Sheet Rev. 06 1. Intr

All rights reserved. Preliminary Conf idential - Information is subject to change without prior notice. Leadtek NMEA Protocol Manual For MTK NMEA INPUT/OUTPUT MESSAGE .......................................... 1 1.1 Prototype of NMEA Message.................................... 1 1.2 Checksum..................................................... 1 1.3 NMEA Output Message.......................................... 2 1.3.1 GGA—Global Positioning System Fixed Data ................. 3 1.3.2 GLL—Geograp

i LR9123 Specifications Sheet Rev. 1.0 1. Introduction Leadtek LR 9123 is a high performance, low power consumption, small size, easily integrated GPS module board designed for a broad spectrum of OEM system applications. This product is based on SiRFstarIII/LPx single chipset solution. Leadtek LR9123 module board is very fit to the customers who devote themselves to AVL system integration and location-based service. The LR9123 design utilizes the latest surface mount technology and high level c

Huang Add revision history; Modify operating temperature range and outlook dimension tolerance ALL INFORMATION CONTAINED HEREIN IS THE SOLE PROPERTY OF LEADTEK RESEARCH AND CANNOT BE DISSEMINATED WITHOUT THE EXPRESS WRITTEN CONSENT OF LEADTEK RESEARCH. i LR9805ST Specifications Sheet Rev. 0.9 Introduction The Leadtek LR9805ST GPS module is a high sensitivity, low power, Surface Mount Device (SMD). This 12-channel global positioning system (GPS) receiver is designed for a broad spectrum of OEM ap

Huang Modify the operating and storage temperature range. ALL INFORMATION CONTAINED HEREIN IS THE SOLE PROPERTY OF LEADTEK RESEARCH AND CANNOT BE DISSEMINATED WITHOUT THE EXPRESS WRITTEN CONSENT OF LEADTEK RESEARCH. i LR9552 Specifications Sheet Rev. 0.6 Introduction The Leadtek LR9952 module is a high sensitivity and very compact smart antenna module, with built in GPS receiver circuit. This 20-channel global positioning system (GPS) receiver is designed for a wide range of OEM applications and

Correct operating temperature range 0.4 2008/1/29 Maggie H. Wording correction 0.5 2008/4/14 Maggie H. Add detailed spec. of 20-pin header ALL INFORMATION CONTAINED HEREIN IS THE SOLE PROPERTY OF LEADTEK RESEARCH AND CANNOT BE DISSEMINATED WITHOUT THE EXPRESS WRITTEN CONSENT OF LEADTEK RESEARCH. i LR9540 (with 9805ST) Specifications Sheet Rev. 0.5 Introduction The Leadtek LR9540G module is high performance, low power, 12-channel TTL level GPS receiver, based on the SiRFStarII single chipset tech