Position your modem up to 25ft from your computer. The 25 ft. RJ11 Telephone/Modem Cable gives you the chance to replace the short cables in your workspace with a single, long cable. The RJ11 telephone cable/modem cable is durably constructed for long-lasting performance. StarTech.com 25 ft RJ11 Telephone Modem Cable is one of many Cable Modems available through Office Depot. Made by StarTech.