1IntroductionLS20056/LS20058isacompletestand-aloneGPSsmartantennamodule,includingembeddedpatchantennaandGPSreceivercircuits,dedicateddesignedforcellularphonesthataregoingtointegrateGPSfunction.Themoduleispoweredbyu-NavGPSchipandcansupport20-channelGPSwhileprovidingfasttime-to-first-fix,one-secondnavigationupdateandlowpowerconsumption.Besides,itcanprovideyouwithsuperiorsensitivityandperformanceeveninurbancanyonanddensefoliageenvironment.ItiseasytoinstallwithoutbothRFconnectorandcoaxialcablethatareneededinaseparatedactiveantenna.Inotherwords,reducethecostandsize.Also,speedupthetimetomarketbyeliminatingR DeffortsonRFmatchingandstabilitybetweenseparatedGPSantennaandmodule.Furthermore,itcanbedirectlypoweredbyalithiumbatterywithoutanyexternalvoltageregulars.Abuilt-inhardwareenablepinprovidestheconveniencetoturnon/offthemodule.Therefore,LS20056/LS20058ofminiaturesizeandbrilliantperformanceisthebestchoicetobeintegratedintoyourslimcellularphones.