Amazon.com: Uvital Phone Jack to Ethernet Adapter, RJ11 to RJ45 Adapter, RJ45 Female to RJ11 Male for Landline Telephone, with RJ45 to RJ11 Cable (Black,2 Pack) : Electronics
RJ11 Phone to RJ45 Jack
Amazon.com: RJ45 to RJ11 Cable, 6 Feet Phone Jack to Ethernet Adapter RJ11 6P4C Male to RJ45 8P8C Male Connector Plug Cord for Landline Telephone : Electronics
Amazon.com: Vthahaby Telephone line(3 Pack) RJ45 to RJ11 Adapter Converter Cable 6ft RJ45 8P4C Male to RJ11 6P4C Male (6.6FT) : Electronics
10m RJ11 to RJ45 Cable RJ11 to RJ45 Cable Phone Telephone Cord RJ11 6P4C to RJ45 8P8C Connector Plug Cable for Landline - Walmart.com
Telephone RJ11 6P4C to RJ45 8P4C Connector Cable - Walmart.com
RJ45/RJ11 Splitter Cable Sharing Kit for Ethernet and Phone Lines – Dualcomm