Best Female Female Serial Adapters in 2026

【Extend Your HDMI Cables Effortlessly】UGREEN HDMI coupler female to female is an ideal solution for extending the length of your HDMI cables when using a projector, Xbox, or when equipment is far from the screen. Simply connect two HDMI cables with the coupler to create a single, continuous HDMI cable.

【Experience Unmatched Picture Quality】Experience the ultimate in picture quality with our 4K HDMI female to female adapter. This 4K HDMI female to female adapter supports 4K@60Hz and is backward compatible with 4K@30Hz, 1920*1080@60Hz, you'll never miss a detail. This HDMI adapter also supports ARC, 3D and dolby vision, making it perfect for an immersive audio and visual experience.

【Stable and Reliable Transmission】With a bandwidth of 18Gbps and gold-plated connectors, this HDMI coupler offers stable and reliable transmission. The sound is perfectly in sync with the picture, and there's no delay.

MAXIMIZED PORTABILITY: This USB to serial RS232 adapter with FTDI features a single cable design removing the need for additional adapters and cables

CORRECT DTE/DCE CONFLICTS: Convert your available USB port into a null modem RS232 DB9 serial port, resolving any DTE/DCE conflicts

BROAD COMPATIBILITY: Compatible with your USB 1.0 or 2.0 ports, this RS232 converter works with your Windows, Mac or Linux systems

Product name : DB9 Serial adapter; terminal wire range : 12-24AWG

Design : Screw Type;Total Size : 58 x 35 x 21mm/2.3" x 1.4" x 0.83"(L*W*H)

Cable Hole Dia. : 5mm/0.2'' 6mm/0.23'' 7mm/0.27'' 10mm / 0.4";Material : Metal,Electric Part

Converts standard, straight wired cables to null modem wiring

Null modem configuration with pin 9 open.

Slimline design reduces leverage strain on computer ports

Product name : DB9 male adapter + DB9 female adapter; total Size : 45 x 31 x 18mm/1. 8" x 1. 2" x 0. 71"(L*w*h)

Fixing Hole diameter : 3mm; fixing hole center distance : 6mm/0. 24 inch

Material : metal, electric part; color : black, Green

With insulation foam at the bottom

All-copper base, contacted better and more antioxidative

All signal ports named and labeled clearly

(NOTE: THIS IS NOT AN OTG ADAPTER) Enables you to connect two USB cables together for a longer cable.

Occupies very little space and compact enough to carry it everywhere.

Offers data transfer speeds of up to 5 Gbit/s and also supports up to 2 Amps of power output.

HIGH QUALITY&DURABLE: Pure copper plated joints, fine solder joints, resistance to plug, and good contact to ensure high-quality, durability and a long life. The outer casing is made of environmentally friendly PP engineering material, which is soft and durable.

EASY TO USE: No welding required, 128 type environmental protection copper terminal design, no need for soldering iron and cumbersome tools, easy wiring. The housing is designed with a folding buckle for easy assembly and disassembly without tools.

HIGH COMPATIBILITY: It can connect all kinds of serial devices. Such as computer and tax control machine, digital camera,PLC, PDA, MODEM, set-top box, barcode machine, industrial instrumentation and other equipment for communication.

★【Excellent Quality】Brand New and High Quality DB9 Solderless RS232 D-SUB Serial to 9Pin Port Terminal DB9 Male Adapter Connector Breakout Board.

★【Powerful Function】Pure Copper Plated Joints, Fine Solder Joints, Resistance to Plug, And Good Contact to Ensure High-Quality, Durability and a Long Life.

★【Easy Installation】All Signal Ports Are Clearly Named and Labeled on Both Sides of The Board.The Housing is Designed with a Folding Buckle for Easy Assembly and Disassembly Without Tools.

⚡【Contact Seller】Free Lifetime Replacement or Money-back Guarantee if quality issue, please feel free to contact us via Amazon.1,Find your purchased order. 2,Click button "Contact Seller".

⚡【Upgraded 16mm DB9 Connector】No soldering needed! The BIFALE Upgraded DB9 connector is thinner than others. Thin but hard. Easier to install and disassembly. And has fine solder joints, which can withstand 2,000+ pluging and unpluging tests. Shell with non-slip design.

⚡【Premium 4N OFC 】The inner pin of db9 connector is made of 4N OFC material. Own a better connectivity, provide stable signal transmission. Anti-corrosion, anti-oxidation. All signal ports are clearly named and labeled on both sides of the board for quick wiring. Terminal wire range : 16-26AWG.

HOW IT WORKS: BENFEI USB to RS232 DB9 Male Serial Adapter is designed for connecting to serial devices such as DB9 equipped serial modems, ISDN Terminal Adapters, digital cameras, label writers, palm PCs, barcode scanners, PDAs etc through USB port with 1Mbps data transfer rate;

CONNECTORS: With standard USB Type A Male to standard Male 9-pin DB9 RS-232 serial connector; Please pay attention: it's not the USB to VGA cable or USB to DB9 cable. If you need USB-VGA, please refer to our detail page

CONDUCTOR & SHIELDING: Tinned Copper Conductor(Wire guage#24#28) and triple shielding ensure the best data transfer rate. Powered by USB port, no external power adapter required. Simple installation, plug & play after one time driver installation;

Convert a DB9 male connection to a DB9 female connection; use for serial applications.

Connector 1: (1) DB9 Female

Connector 2: (1) DB9 Female

USB TO RS232 SERIAL – 5ft in length serial adapter. Connect legacy DB-9 serial communications devices to a modern computer with USB

EASY TEST - Easy test RS-232 host to device link. With a full LED, dual color display, tester output. This will make testing your connections with ease.

COMPATABILITY - With support on multiple OS platforms this makes our USB RS- 232 very versatile. Supported OS platforms are Windows 7, 8, 10, and 11 as well as Linux and MacOS 10.X

▶USB 2.0 male to RS232 female DB9 serial adapter connects a serial DB9(9 PIN) device, such as a modem, to a USB port on your computer. USB port with 1Mbps data transfer rate.

▶Uses latest Prolific PL2303 chipset. Supports Windows 10 / 8.1 / 8 / 7 / Vista / XP / 2000 / Linux 2.4 or above /and Mac OS X 10.6 and above.

▶Easy Connectivity. USB to RS232 adapter works with modems, ISDN Terminal Adapters, digital cameras, label writers, palm PCs, PDAs,cashier register,CNC,PLC controller,tax printer,POS, bar code scanner, label printer,and devices with DB9 serial ports. NOT compatible with Cutting plotter, SCM.

(NOT USB to VGA adapter) USB to serial adapter FT232 cable allows your computer to make communication with serial devices equipped with 9 pin female RS232 interface

USB to male serial port adapter cord is designed for connecting Serial devices such as DB9 equipped PC, router, GPS, Programming machine, barcode scanners, label writers, serial modem, digital camera, card reader, palm PCs and digital organizer, etc

(FT232 chip) Long FTDI serial cable to USB adapter for Windows 11,10, 8, 7, Mac OS 8 or higher, Linux 2.4.0 and later (9 wire pinout 1-9: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI)

CONNECTIVITY – 3 ft. blue USB to RS-232 serial converter cable with clear USB jacket. Works by connecting the USB Type-A port into the host computer, and then connecting the RS-232 DB-9 male end to the female serial port.

LED INDICATORS - LED activity indicators for Power, TX and RX serial signals. The LED’s allow a visual indication of the signal activity as TX and RX RS-232 signals are communicating.

CHIPSET- FTDI Chipset Inside: FT232RL and Ultra Fast 920K ZyWyn ZT232E for superior operation in serial communication.

RS-232 GENDER CHANGER FEMALE: The DB9 gender changer converts a DB9 9-pin male connector into a DB9 9-pin female connector and will work with any serial devices.

MINI DB9 CONNECTORS: 2 x Serial DB-9 (9 pin) Female Gender Changer. 9 way Female / Female Connectors, 9 Pin Serial RS232 gender Changer.

PLUG AND PLAY: No power needed. Tight and stable structure, small resistance transmission stability.

A simple, cost effective solution to process serial data communication between RS232 COM port devices over inexpensive cat5 cat6 RJ45 network cable

DB9 female to RJ45 modular adapter converts DB9 female connector into an RJ45 female connector (DB9 female - RJ45 Female pinout: 1-1, 2-2, 3-3, 4-4, 5-5, 6-6, 7-7, 8-8, 9-x)

A pair of DB9 to RJ45 socket coupler can be used a extender to extend rs232 serial signals up to 65ft

(NOT USB to VGA cable) RS232 USB to DB9 female serial port cable allows you to connects a PC without serial port to a serial device because it adds a 9 pin port to laptop or desktop via USB port

Portable female serial to USB adapter is with USB-Powered design requires no bulky power supply with superior performance, offering an easy connectivity for serial plug devices

Built as FTDI serial RS232 to USB cable for Windows 11, 10, 8, 7, Mac OS8 or higher, Linux 2.4.0 and later (9 wire pinout 1-9: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI)

High quality, low price, 40pcs dupon wires are free. Note: This I2c OLED Display come with unsoldered, requires soldering.

I2c IIC Serial Oled LCD LED Blue Display Module, Interface: VCC: 3.3-5V, GND: Ground, SCL: Serial Clock, SDA: Serial Data

Size: 0.96 inch, Resolution: 128*64, Color: Blue, Viewing angle: greater than 160 degrees, Supported platforms: for arduino, 51 series, MSP430 series, STIM32 / 2, SCR chips

RS232 USB to serial female adapter cable allows any PC to connect serial devices and programs that communicate through COM ports

DB9 Serial cable to USB adapter is designed for connecting Serial devices such as DB9 equipped PCs, routers, GPS, Programming machine, barcode scanners, label writers, serial modems, digital cameras, card readers, palm PCs and digital organizers, etc

6ft USB to serial cable with standard USB Type A Male to standard 9-pin DB9 Female RS-232 serial connector

Convert an HD15 female port to a DB9 female port

Connector 1: (1) HD15 Male

Connector 2: (1) DB9 Female

Connector: DB9 Female / HD15 Male

Type: Molded Adapter / Color: Beige

Does Not Convert Serial DB9 RS-232 Data Port to VGA Video Signal. Connect Multi-Sync DB9 Video to HD15 VGA Video. Please also check picture of the wiring diagram.

6 ft USB to TTL serial adapter (with 3 pin 0.1” pitch female header socket) connects devices with 3.3 V logic level UART signals interface to a laptop via USB port

A genuine FT232RL chip module is housed in USB 2.0 type A male terminal for wider compatibility and supports reliable data transfer rates

6 feet FTDI USB to TTL serial cable (3 way output flying leads ) provides access to UART (transmit) Tx, (receive) Rx and GND

VGA Projection Adapter: This USB C (Thunderbolt 3)to VGA Adapter enables you to connect a USB C computer or phone to an VGA-equipped display,monitor,projector.It’s a good choice for your presentations, conferences, workshops,trainings ,lectures.You can share ideas with your partners or enjoy a better visual feast with your family.

Wide Compatibility: USB C VGA Compatible with MacBook Pro 2016-2020, MacBook 2015-2020, iPad Pro2018-2020, iMac2017-2020, Dell XPS 15 / XPS 13, Surface Book 2, Lenovo Yoga 920, Pixelbook, HP Envy 13, Galaxy Book, Pixelbook,Galaxy S10/S9/S9 plus /S8, Huawei Mate 10,and many others(more details in description).Note:Compatible with USB-C laptops / smartphones / tablets that support USB-C DP Alt Mode

Compact &Human Design: VGA USB Compact and lightweight, with user-friendly non-slip design for easier plug and unplug. Braided nylon cable for extra durability. Premium aluminium casing for better heat insulation. More Stable and Safer.Fits snugly with the USB-C ports on your devices, better signal transfer protection.

【No soldering needed】 This is SO convenient， convenient wiring. The shell is designed with folding buckle, It can be disassembled or assembled repeatedly，Case can be prevent short circuits

【DIY DB9 cable 】Using 9pin male and female connectors, you can make DB9 cable or USB to RS232 / RS485 cable by yourself. The cable length and wiring sequence can be customized

【Functional features】suitable for all kinds of industrial control products that need serial communication for pin connection, all copper base, 9pin gold-plated interface, iron shell salt spray for 24 hours

High Quality DB9 9pin Male Female Plug Connector Kit

2 Rows Straight D-SUB 9 Pin Plug Socket Connectors

RS232 D-Sub 9 pins female male normal density cup connectors tin plated

HIGH QUALITY&DURABLE: Pure copper plated joints, fine solder joints, resistance to plug, and good contact to ensure high-quality, durability and a long life. The outer casing is made of environmentally friendly PP engineering material, which is soft and durable.

EASY TO USE: No welding required, 128 type environmental protection copper terminal design, no need for soldering iron and cumbersome tools, easy wiring.

REDUCE ERRORS: The terminal block area is clearly marked making proper termination virtually foolproof.

Converts a DB9 female port to a DB25 male port; or a DB25 female port to a DB9 male port

Dual Serial Device Server: Cpu: Cortex-M4 120Mhz, Serial RS485 & RS232 to Ethernet Server, 2 Serial Ports: 1 Port is RS232, 1 Port is RS485, 1 RJ45 Ethernet Port. Support RS232 & RS485 Working at The Same Time.

Data Link Protocol: Ip£¬Tcp£¬Udp£¬Dhcp£¬Dns£¬Http£¬Arp£¬Icmp£¬Web Socket£¬Httpd Client.

Speed: 10 / 100 Mbps, Mdi / Mdix Cross Direct Automatic Switching, Baud Rate: Rs-232£º600Bps ~ 230. 4Kbps£¬Rs-485£º600Bps ~ 1Mbps; 1.5Kv Electromagnetic Isolation, Shell Isolation Protection; Anti-Static 2Kv, Lightning Protection.