X869:жд 2005-03-31 23:03йֻԭߣ X869()2004ĩһ» E808() E818()ʱлֻһʱеۣû D418() D428()һд빦ܡӦGSM D428ƳCDMA X869 X869⣬ҿȿ D428⣬ http://www.cnonline.org/2005/article/6124.html ) X869ΪCDMA2000 1Xʽֲ֧e1xֵ һǸûΪͿ㡣 Ļ176220ص26ɫTFDʾĻЧһ ϵͳΪ64 չΪƵ30CMOSͷڸûҿɲο D428⡣ûкǻϸ⡣ĵַ:http://www.cnonline.org/2005/article/6810.html