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BT Plug - RJ11 Socket crossover adaptor suitable for use with most telephones and modems which requires a cross-wired connection.Specification: BT Plug - RJ11 Socket Crossover
BT Plug - RJ11 Socket crossover adaptor suitable for use with most telephones and modems which requires a cross-wired connection.Specification: BT Plug - RJ11 Socket Crossover