Best Female-Male Modem Cables of 2026

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.

The StarTech.com 10 ft Cross Wired DB9 to DB25 Serial Null Modem Cable is a reliable and durable cable designed for connecting a 9-pin serial device to a 25-pin serial port, or transferring files from PC-to-PC via a serial connection. It features molded connectors for strain relief and high-quality shielding to prevent EMI. The 10ft cable is gray in color and made of PVC. Please note that this is a cross-wired/null modem cable and may not work for straight-through connections.

The DTech DB9 RS232 Serial Cable is a 15ft male to female null modem cord with full handshaking and 7 wire crossover, which connects your computer to a device with a COM port RS-232 compatible interface. This standard shielded DE9 rs232 cable is wired as a 9 pin serial port null-modem cord that has a DB9 female to male connector on each end equipped with screws to ensure an easy and solid extension connection for stable serial cross data communication. This 15 feet long null serial adapter is perfect for connecting your PC or laptop to some old RS232C equipment like a scanner, printer, or microcontroller.

StarTech.com Null Modem Cable allows you to connect your serial devices and easily transfer files. This 1m DB9 cable has a male to female connection, specifically designed for RS232 communication. The null modem feature enables direct communication between devices without the need for a modem. With this cable, you can efficiently link your equipment for seamless data transfer, making it a convenient solution for your connectivity needs.

The C2G Serial RS232 Null Modem Cable is a high-quality cable that allows two devices to communicate without any data conflict. With a length of 6 feet, this cable is perfect for short-distance data transmission. Its rugged overmolded construction provides added strain relief and ensures a solid connection every time. The transmit and receive signals are crossed to ensure proper data transmission, and the cables are foil shielded to protect against interference. Whether you need to connect devices in corporate, education, healthcare, or home theater settings, the C2G Serial RS232 Null Modem Cable is a reliable and durable choice.

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.

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.

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.

C2G Serial Modem Cable is an in-wall CMG-rated cable designed for audio/video installations in educational and commercial settings. It provides serial connections and is fully shielded to prevent unwanted EMI/RFI interference. The cable features low-profile connectors that save valuable space in the gang box and are specifically engineered to overcome common challenges faced by installers in these environments. The rounded shape accommodates smaller monitor mounts so that the cable can be easily hidden from view. The transmit and receive signals are crossed to ensure proper data transmission. Overall, this cable is a reliable solution for those who require in-wall rated cable for their audio/video installations.