... below 1.0, which result in effect of prevention to Hertzian waves and electrometer, in this way, the tone ... compared with the exist Metal Dome. (5). Strong applicability to the changeable climate.Applications :Mobile phone market: Cellphone,Sky telephone ... Terminals, Handheld , PDA ,PC,Computer,Key Board,Remote control,Learning machine,Educational equipment,LCD TV, LCD display, Monitor, LED series ...