Best Female-Female Modem Cables of 2026

Transfer files between serial devices using this 2m DB9 null modem cable with high-quality shielding to prevent EMI interference. The black cable, which features a female-to-female DB9 connector and a 9-pin RS232 null modem, is ideal for various applications.

The CompuCablePlus Null Modem Cable is designed with two DB9 female connectors, making it easy for you to connect devices that require this specific interface. Its 28 AWG conductor with seven strands plus a drain wire ensures reliable signal transmission, which helps maintain strong communication between your devices. At 3 feet long, this cable is perfect for short-distance connections, keeping your setup neat and manageable. With the null modem design, you can directly connect two serial devices without needing a modem, simplifying your connections and saving you extra equipment costs.

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.

This modem cable is 25 feet long and has DB9 female connectors on each end. It is a null modem cable and is ROHS compliant. This cable is perfect for connecting two serial devices together, such as a printer and computer.

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 6ft null modem cable that extends a COM port connection between your computer and old devices with RS-232 compatible. The 9-pin serial port cord is wired with only TX/RX data and signal ground wires connected. The cable is easy to solder and connect to pins with standard wire color code. With a shielded DE9 female RS232 cable with AL foil, this crossover cable is perfect for hooking up RS232C equipment like scanners, printers, and microcontrollers.

DTech DB9 RS232 Serial Cable Female to Female Null Modem Cord is a 1.5ft female to female serial null modem cable that connects your computer to devices with COM port RS-232 compatible interface. The cable is wired as a 9 pin serial port Null-Modem cord that 2-3, 4-6, 7-8 line are cross-linked, and it comes with a standard shielded DE9 rs232 cable female to female with AL foil. Each end of the cable is equipped with screws to ensure an easy and solid connection for stable serial cross-data communication. The wires inside are of 30AWG gauge and easy to solder to, and they connect to the pins in the order of the standard wire color code. The cable is perfect for hooking up your PC laptop to some old RS232C equipment like a scanner, modem, printer, plotter, camera, barcode/embroidery machine, touchscreen, microcontroller, factory test equipment.

Transfer files between your serial devices with ease using the StarTech DB9 Null Modem Cable. Measuring 1 meter in length, this DB9 female to female cable offers a reliable RS232 connection. The 9 pin null modem cable provides a simple solution for connecting two DTE (Data Terminal Equipment) devices together, without the need for a full-fledged modem. This makes it a practical choice for file transfers between computers, printers, modems, and other serial devices. The black color adds a sleek and professional touch to your setup.

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.