GPS-13740

1. Introduction 1.1 Over view GP-20U7 is a GPS receiver build-in high performances -165dBm GPS chipset. GP-20U7 provides customer high position, velocity and time accuracy performances as well as high sensitivity and tracking capabilities. Customers benefit from the strength of both companies. Thanks to the low power consumption technology, the GPS receiver is ideal for many portable applications such as PDA, Tablet PC, smart phone etc. 1.2 Feature  Build on high performance GPS single chip  High Sensitivity -163 dBm  Low power consumption: Max 40mA@3.3V  Integrated LNA with low-gain mode for active antenna option  56 channels in Search mode and 22 channels "All-in-View" tracking  Up to 60,000 simultaneous search windows for fast TTFF and high sensitivity acquisitions  Average cold start time under 29seconds(open sky)  Support standard NMEA-0183 and UBLOX protocol  Patch Antenna Size:18.4(w)mmX18.4(d)mmX4(h)mm  RoHS compliant (Lead-free) 1.3 Product Application  Handheld GPS receiver application  Ideal for PDA, Pocket PC and other consumer devices requiring Positioning capability  Geographic Surveying  Sports and Recreation  Marine Navigation, Fleet Management  Automotive application  Car navigation and tracking  AVL and Location-Based Services  Timing application 1.4 Product Picture 2 Technical Specifications 2.1 General Characteristics 2.1.1 General Frequency L1, 1575.42 MHz C/A code 1.023 MHz chip rate Acquisition Channel 56 Tracking Channel 22 www.adh-tech.com.tw sales@adh-tech.com.tw 2 2.1.2 Accuracy Position 2.5m CEP Velocity 0.1 m/s WGS-84 Default WGS84 2.1.3 Datum 2.1.4 Time To First Fix （TTFF） Hot start