Best ADSL Modem Cables of 2026

Connect your broadband DSL modem to a phone jack with this 50ft high speed RJ11 cable. The ultra-flexible jacket makes cable hook up easy, and the 24k gold-plated connectors provide corrosion resistance for maximum conductivity and faster DSL internet speeds. The snagless molded connector gives increased durability by reducing strain on the RJ11 cable, and the foil double-shielding reduces interference while the twisted-pair construction minimizes crosstalk for high speed, error-free DSL data transfer. Compatible with all DSL internet modems, including AT&T, CenturyLink, Xfinity, and more.

This 2m DB9 Null Modem Cable by StarTech.com allows you to connect your serial devices and transfer files effortlessly. The cable features a DB9 male to female connector and is designed for RS232 Null Modem usage. It is perfect for users who need to transfer data between two devices without a modem. This modem cable is an ideal solution for users who need to connect their serial devices to a computer for data transfer.

Get a 15-foot high-speed C2G RJ11 Modem Cable that connects any broadband DSL modem to a phone jack for data transmission that is ten times faster than any regular phone cord. The cable features snagless molded connectors that provide increased durability and 24K gold-plated connectors for maximum conductivity. It also has foil double-shielding to reduce interference while minimizing crosstalk for high-speed, error-free DSL data transfer. This modem cable is compatible with all DSL modems from AT&T, CenturyLink, Xfinity and more for easy setup.

The C2G/Cables to Go RJ11 High-speed Internet Modem Cable (25ft) allows you to connect your analog or digital modem to a telephone wall jack. The cable is double foil shielded to reduce EMI and is available in lengths up to 100ft. The foil double-shielding and braid shield reduce interference while the twisted-pair construction minimizes crosstalk for high speed, error-free data transfer.

StarTech DB9 Null Modem Cable is a 25 ft cable that connects two female DB-9 ports. It is a null modem cable that allows communication between two devices without the need for a modem. This cable is particularly useful for connecting serial devices such as printers, scanners, and modems. With a length of 25 ft, it provides flexibility and convenience in positioning your devices. This cable is compatible with P/N: PCI2S232485I, making it an ideal choice for those who use this product.

StarTech Null Modem Cable is a 10-foot long cable that connects two serial devices with DB9 Female ports. The cable eliminates the need for a modem and allows direct communication between the devices. Its DB9 Female to DB9 Female connectors provide a reliable connection for data transfer. The cable is compatible with various devices, including printers, scanners, and other serial peripherals. With a length of 10 feet, it provides ample distance between devices for convenient placement. Its compact design makes it easy to store and transport. The StarTech Null Modem Cable is an ideal solution for users who need a reliable, easy-to-use cable for direct serial communication.

DTech Serial Cable (15ft) is a straightforward solution for extending COM port connections between your computer and older RS-232 compatible devices. With 3 wire types and no hardware handshaking, this cable features crosslinked TX/RX data and signal ground wires for seamless data communication. Equipped with screws on each end for a secure connection, the 30AWG gauge wires are easy to solder, following the standard wire color code. This 15-foot long cable is ideal for connecting various RS232C equipment like scanners, modems, printers, and more.