[quote name='blakeyjp;30359]Hi.GPS worked.I used Navisys GR-300 USB GPS receiver.This receiver has pl2303 USB-serial interface' date=' and the GPS chip is SiRF StarIII.Based on M001 firmware ver 1.7.4, I used some changed libraries.The GPS processing is included in this library. LocationProvider can use GPS status.The navigation of Google map and RMaps works fine.[IMG]http://www.slatedroid.com/public/style_emoticons/<#EMO_DIR#>/smiley.gif[/IMG][/QUOTE']What library?Thank you