Wi2Wi, Inc. Doc No. ALT-PDT-DOC Rev.1.70 Datasheet, GPS Module W2SG0084i January 22nd, 2014 Product Datasheet ALT-PDT-DOC Revision 1.70 January 22, 2014 Copyright 2014 Wi2Wi, Inc. 1 Wi2Wi, Inc. Doc No. ALT-PDT-DOC Rev.1.70 Datasheet, GPS Module W2SG0084i January 22nd, 2014 Table of Contents 1 General Description ..................................................................................................................4 2 Features .....................................................................................................................................4 2.1 Pin Definition ................................................................................................................................. 5 2.2 Pin Configuration ........................................................................................................................... 6 2.3 System Block Diagram .................................................................................................................. 7 3 Specifications............................................................................................................................7 3.1 Clock Frequency ........................................................................................................................... 7 3.2 Interfaces ....................................................................................................................................... 8 3.2.1 Host UART Interface ............................................................................................................. 8 3.2.2 Wake Up Pin ......................................................................................................................... 8 3.2.3 Time Mark ............................................................................................................................. 8 3.3 GPS Power On/Off ........................................................................................................................ 9 4 WAAS with SBAS or Wide Area Differential GPS.................................................................9 4.1 Differential GPS............................................................................................................................. 9 4.2 Wide Area DGPS or WAAS ........................................................................................................ 10 4.3 How do we enable WAAS-SBAS on the W2SG0084i .............................................................. 11 5 NMEA Input Messages ..........................................................................................................11 6 One Socket Protocol (OSP) Messages....................................................................................12 6.1 OSP Output Messages ............................................................................................................... 12 6.2 OSP Input Messages .................................................................................................................. 13 7 Electrical/RF Characteristics: Operating ................................................................................14 7.1 Performance ................................................................................................................................ 15 7.1.1 Acquisition Time .................................................................................................................. 15 7.1.2 Position Accuracy (3-D NAV) .............................................................................................. 15 7.2 Environmental Characteristics .................................................................................................... 16 7.3 Power Consumption .................................................................................................................... 16 7.3.1 Internal LNA Gain ................................................................................................................ 16 7.3.2 Maximum RF Gain .............................................................................................................. 17 8 Antenna ...................................................................................................................................17 9 Normal Mode of Operation ....................................................................................................17 10 Development Support .............................................................................................................18 11 Manufacturing Notes ..............................................................................................................18 11.1 Physical Dimensions ................................................................................................................... 18 11.2 Storage and Baking Instructions ................................................................................................. 19 11.3 Recommended Reflow Profile ..................................................................................................... 19 12 Ordering Information ..............................................................................................................20 12.1 Development Kits ........................................................................................................................ 20 13 Disclaimers .............................................................................................................................21 13.1 Data Sheet Status ....................................................................................................................... 21 14 Certifications ..........................................................................................................................21 15 References ..............................................................................................................................21 15.1 Specifications .............................................................................................................................. 21 15.2 Trademarks, Patents and Licenses ............................................................................................ 22 Copyright 2014 Wi2Wi, Inc. 2