1,four copper pole 2,RJ11 PLUG 3,can add silk priting 4,use for brazil telecom ... 1,four copper pole 2,RJ11 PLUG 3,can add silk priting 4,use for brazil telecomShenzhen ... engaged in network communication product such as CO ADSL SPLITTER, CPE ADSL SPLITTER and series optical fiber produduct including optical adapter, optical attenuator, patch cord, optical ...