Best Male-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.

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 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.

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 CERRXIAN RJ50 Extension Cable is perfect for extending your current RJ50 connections, making it easier to connect devices like scanners without constantly plugging and unplugging ports. This helps protect your equipment from wear and tear. The cable features a durable, UV-resistant PVC jacket that stands up well to harsh weather, including cold, humidity, and heat, so you can rely on it in various environments. Its corrosion-resistant connectors ensure a stable connection over time, reducing signal loss or interference. Best of all, this plug-and-play cable requires no drivers, so you can set it up quickly and start using it right away.

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 is a simple and reliable solution for connecting your computer to devices with a COM port RS-232 interface. This 5-foot cable features a DB9 male to male connector with screws for a secure connection. The cable is wired as a DE9 9-pin serial port Null-Modem cord with crosslinked TX/RX data and signal ground wires. It is compatible with standard shielded RS232 cords and is equipped with AL foil for added protection. The wires inside are easy to solder to, making installation a breeze. With DTech Serial Cable, you can easily connect your PC or laptop to old RS232C equipment such as scanners, modems, printers, and more.

The Cable Leader Null Modem Cable is designed to help you connect your PC or other devices with a DB9 serial port to a serial printer that uses a DB25 connector. This makes it easier to link devices that would otherwise be incompatible. The cable features single shielding with aluminum foil, which helps protect your data from interference, ensuring a stable connection. Known as a crossover cable, it swaps the transmit and receive wires, allowing direct communication between two serial devices without needing a modem. The connectors are a DB9 female on one end and a DB25 male on the other, making it versatile for various setups.