Connect your computer or router to your BT wall jack. The BT2RJ6FT 2-meter BT Modem to RJ11 Cable Adapter provides 1 Male BT plug connector and 1 male RJ11 connector, making it easy to connect a PC or router to a BT wall jack.
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Summary
Product Description
StarTech.com BT Modem to RJ11 Cable - phone cable - 1.83 m - white