... 2.UL,RoHS,ISO9001-2000 Description:Top Entry RJ11 PCB connector/Telephone socket/pcb jack with 2PIN or 4PINNumber of ports: 1Number ... 0.45mm phosphor bronze gold plating over Nickel3. Gold Plating: Fu inch, 3u inch, 6u inch, 15u inch, 30u inch, 50u ...