Best Female-Female Serial Adapters of 2025

The Arnorin DB9 Adapter is designed to convert standard straight wired cables into null modem wiring, making it easier for you to connect devices that require this specific setup. With its gold contact plating, you can expect reliable connections, even after multiple uses. The slimline design minimizes strain on your computer ports, protecting them from potential damage. Additionally, the UL grade 94V-0 connector insulator ensures safety by meeting flammability standards, giving you peace of mind while using it. This adapter is a smart choice for anyone needing efficient and secure data transfer.

The DB9 Null Modem Male to Female Slimline Adapter 2 Pack converts standard straight wired cables to null modem wiring with pin 9 open. Its slimline design reduces leverage strain on computer ports, while the UL grade 94V-0 connector insulator satisfies flammability requirements. Additionally, the screws are removable and reversible for easy installation and flexibility.

The LuoQiuFa DB9 Adapter is a versatile solution for your serial connection needs. Featuring two female connectors, it allows you to easily connect multiple devices, ensuring smooth communication across various equipment. The durable metal iron shell, nickel-plated to resist rust, promises longevity and reliability. Additionally, the 24k gold-plated pins enhance conductivity, providing a secure and efficient connection. This adapter is perfect for linking PLC controllers, touch screens, and CNC machines, making it an essential tool in your tech toolkit.

The OIKWAN USB Serial Adapter is designed to connect your serial DB9 devices, like modems or printers, to a USB port on your computer. It features a 9-pin female connector, ensuring compatibility with your devices. With its FTDI chipset, this adapter supports a wide range of operating systems, including Windows and Mac OS, making it versatile for various users. The plug-and-play functionality means you can easily start using it without additional power sources, as it draws power directly from your computer. This convenience allows you to streamline your connections quickly and efficiently.

The ANMBEST Serial Ethernet Adapter is designed to help you connect RS232 ports using CAT5, CAT5E, or CAT6 cables, allowing signal transmission up to 100 feet. Its RJ45 pin configuration ensures compatibility with various devices, making it easy to link older serial devices to modern network setups. The adapter features a high-quality alloy port that minimizes interference, enhancing your connection stability. Made from durable ABS material, it is built to withstand wear and tear, ensuring long-lasting use for your networking needs.

The DTech DB9 to RJ45 Serial Adapter is an affordable and straightforward solution for serial data communication between RS232 COM port devices with standard 9 Pin D-sub RS-232 Devices including computers, printers, and routers. The bi-directional converter can extend RS232 serial signals up to 65ft using a pair of DB9 to RJ45 socket couplers. The adapter features thumbscrews for secure connection and is compatible with inexpensive cat5 or cat6 RJ45 network cables.

The C2G Serial RS232 Adapter is a high-quality male to female cable adapter that allows you to convert an HD15 male port to a DB9 female port. It is designed specifically for older multisync monitors, making it the perfect choice for those who still use legacy devices. The molded design of this adapter ensures a solid connection and provides protection against outside interference. With this adapter, you can quickly and easily connect your hard-wired MultiSync monitor to a 9-pin cable input, ensuring the right connection every time. As a Cables 2 Go brand product, you can trust the quality and reliability of this adapter, backed by over 35 years of experience in connectivity solutions.

The Warmstor DB9 Gender Changer is designed to simplify your connectivity needs. With its ability to easily connect 9-pin serial devices with male plugs, you can effortlessly link your equipment. The durable, nickel-plated construction offers excellent corrosion resistance, ensuring a long lifespan for the adapters. You won’t need to worry about complicated setups either, as these adapters are plug-and-play, requiring no additional drivers. They are compatible with a range of devices, including PCs, printers, and POS machines, making them a versatile solution for your connectivity requirements.

The DTECH DB9 Adapter is a convenient, solderless solution for creating custom DB-9 RS232 connections. With clearly labeled signal pins on both sides of the PCB, you can quickly connect and troubleshoot your devices with ease. Its sturdy construction features pure copper joints and gold-plated contacts, ensuring reliable data communication. Additionally, the compact case is designed for versatility, accommodating various cable sizes and tail tubes, making it suitable for a wide range of applications such as CNC controllers, digital cameras, and more.

The LinkStable DriverGenius DB9 Serial RS232 COM Gender Changer is a female-to-female adapter that can convert a DB9 9-pin male connector into a DB9 9-pin female connector. It is compatible with any serial devices, such as PC, modem, printer, scanner, cashier, POS machine, and more. The compact and stable design does not require any external power source, making it easy to use in various settings.