Best Modem Cables for PC of 2025

The Networx Serial Splitter Cable is a versatile 1-foot long cable designed to connect DB9 Serial devices efficiently. With a female DB9 connector on one end and two male DB9 connectors on the other, it allows you to split a single connection into two, providing added convenience. The foil shielding protects against electromagnetic and radio frequency interference, ensuring a stable connection. This feature is particularly useful in environments with multiple electronic devices. Its compact length makes it easy to manage and reduces clutter, making it a practical choice for your setup.

The DTech RS232 Null Modem is a 5-foot cable designed to connect two devices with 9-pin RS-232 ports. With its full handshaking capability, this cable ensures reliable data transfer between computers, routers, or switches. The sturdy connectors come with screws for a secure fit, minimizing the risk of disconnections during use. Additionally, its 30AWG gauge wires are easy to solder, making repairs or custom setups simple. This cable is perfect for file transfers, resource sharing, and direct serial communication, providing a hassle-free solution for your connectivity needs.

The DTech Serial Cable is designed to connect two devices with RS-232 compatible interfaces, making it ideal for direct data communication. It features a 7-wire crossover design that ensures reliable full handshaking, so you can enjoy stable connections without interruptions. The cable has 9-pin male connectors that securely fasten with screws, providing a solid link for your devices. Additionally, the interior wires are easy to solder, allowing you to customize connections as needed, enhancing convenience for users working with lab equipment or networking devices.

The Letotech USB Serial Cable DB9 CP2102 ZT232 is a null modem DCE adapter cable that allows you to add a Null Modem RS232 serial port to your laptop or desktop computer through USB. It is also suitable for PC control of TV and smart TV. This cable uses the CP2102+ZT232 chip and features a DB9 female adapter cable. The null modem PINOUT includes DB9#2-TX(yellw), 3-RX(orang), 5-GND(blk), 7-CTS(green), 8-RTS(brown).

The PNGKNYOCN 4.5 Feet Modem Serial Cable features a DB9 female connector and a DB25 male connector, allowing you to connect a serial printer to a 25-pin serial port or transfer files from PC to PC via a serial connection. It uses high-quality nickel-plated connectors and plugs and high-quality PVC injection-molded housing, which has the functions of wear resistance, durability, and smooth transmission. The cable also allows two DTE or DCE devices to communicate without data transmission conflicts. It is ideal for using a 9-pin serial computer to connect 25-hole bill printer and other equipment.

This DTech DB9 RS232 Serial Cable is designed to extend a COM port connection between your computer and an old device with RS-232 compatibility. This simple serial null modem cable is wired as a 9 pin serial port Null-Modem cord with 2-3 crosslinked lines, making it a standard shielded DE9 female RS232 cable with AL foil. The DB9 female to female adapter extender is equipped with screws on each end, ensuring a stable and easy connection for serial cross data communication. This cord is perfect for connecting RS232C equipment like scanners, printers, cameras, microcontrollers, and more.

The AYA DB9 Female to DB25 Male Serial Null Modem Cable is a cross-wired serial/null modem cable that features one DB9 female and one DB25 male connector. It allows you to connect a serial printer to a 25-pin serial port or transfer files from PC to PC via serial connection. The rugged, overmolded construction provides added strain relief and a solid connection. This cable also allows two DTE or DCE devices to communicate with no conflict in data transmission.

DTech Serial Cable is a 15-foot black cable that connects your computer to older devices with RS-232 compatibility. It features a simple design with only TX/RX data and signal ground wires connected, making it easy to use. The cable comes with screws on each end for a stable connection and is equipped with 30AWG gauge wires that are easy to solder. This null modem cable is ideal for connecting equipment like scanners, printers, cameras, and more, making data communication hassle-free for you.

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.

The DTech RS232 Serial Cable is a simple null modem cable that allows you to connect your computer to a device with a COM port RS-232 compatible interface. This 10ft long cable is wired as a rs232 crossover cable, with only the TX/RX data and signal ground wires connected. It features a standard shielded serial port adapter with AL foil for added protection. The DB9 connectors are equipped with screws, ensuring an easy and solid connection for stable serial cross data communication. With its 30AWG gauge wires and standard wire color code, this cable is easy to solder to. It is perfect for connecting your PC or laptop to old DE9 RS232C equipment such as scanners, modems, printers, plotters, cameras, barcode/embroidery machines, touchscreens, microcontrollers, and factory test equipment.