GPS Bus stop Announcer 1.RS232 control LED display 2.GPS automatic annoucer ... card store voice 4.Easy operate GPS Bus AnnouncerGPS bus stop announcer,GPS bus station announcer,voice module FeaturtsSurport output GPS ... :134mm×97mm×42mm Weight:0.43KgApplicationBus stop announcing , advertising , bus stop reporter, GPS for bus GPS Bus Stop announcer,GPS deveice ,GPS ,GPS ...