COM port settings are retained for serial devices plugged into different USB ports. - Easy plug and play installation with our USB Powered adapter - no power outlet required. Draws power from USB port.
eBay
USB C Adapter,USB C Type C Male-to-Female Adapter, USB-C USB 3.1 Type-C Expansion Adapter for laptops, Tablets and Mobile Phones
Aliexpress UK
Model: US015. Easily connect RS‑232 full‑duplex asynchronous serial devices to any host that supports Universal Serial Bus (USB). Item Type: Serial Port Cable. Interface Type: USB to RS-232. 1 x Serial Port Cable.
eBay
USB Ethernet Adapter USB 3.0 Network Card to USB RJ45 Lan USB Wired Gigabit Network Adapter for PC MacBook Windows XP 7 8 10
Aliexpress UK
TheSTARTECH USB to DB9 RS232 Serial Adaptor Cable allows you to connect RS232 serial devices to modern computers via USB, providing legacy functionality for systems without native serial ports. Compatibility includes Windows Server 2003–2009, Windows XP/Vista/7/8/10, Linux (2.4. ).
eBay
Yytcg usb Connector a + usb Type b, high quality usb connector usb cable
Aliexpress UK
Item Type: USB to RS232 Adapter. 1 x USB to RS232 Adapter. Compatible Devices: Scanner, PC, Modem, Printer. With PL2303 chip, plug and play, easy to use, no need to download driver software, letting you experience easily.
eBay
YYAUDIO HIFI USB OTG Cable USB Type A to B USB Cable 6N OFC Type C to B Audio Cable Decoder DAC Sound Card A- B Shield USB Cable
Aliexpress UK
brand new and high quality No need external power! Supports Industrial PC! Four layer PCB design! Provides four RS-232 male DB9 ports for direct connection to serial devices. Support USB 2.0 HI-Speed. Supports various serial devices modems, PDAs, cellular phones, digital cameras, card readers, and more. Easy Plug and for Play Installation. Compliance with 16C950, and is backward compatible Transceiver 128-Byte FIFO Data transfer rate of up to 921.6KB / s Serial port number adjustable LED Status: On:Power On Off:Power Off system support: for windows 10/8.X/7/Vista/xp 32/64-bit, Linux kernel 2.6.x/3.x/4.x/for os X10.5 to 10.10 system Size:(L*for W*H)10.20*9.50*2.60cm/4.02"*3.74"*1.02" cable length:150cm/59.06" Quantity:1Set Document
eBay
USB 3.0 Hub USB Hub 2.0 Multi USB Splitter Hub 100cm Long cable Multiple Expander for Computer Laptop PC Accessories Usb adapter
Aliexpress UK
Features: USB to Serial Adapter, featuring highly performances chipset for reliability in data transfer. Serial devices are fully compatible, fast transmission, multi-system compatibility RS232 protocol, laptop expansion the of application of RS232 9pin Stable signal transmission, special chip build, multi-layer shielding PVC environmental protections, insulation and flame retardant, long service life Specifications: Item:Usb to RS232 9Pin Serial Data Cable Cable Length:about 120CM/47.24in 200CM/78.74in 300CM/118.11in Package Includes: 1PC Usb to RS232 9Pin Serial Data Cable note: Due to problem of lighting effect, there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurement.
eBay
Vention Mini USB OTG Adapter Cable Mini USB Male to USB 2.0 Female for Tablet Samsung Macbook Pro USB OTG connector
Aliexpress UK
Add four RS232 serial ports to any notebook or desktop computer using a single USB port. The RS232 Serial Hub is compactly designed to preserve valuable workspace, and is bus-powered to eliminate the need for an external power adapter.
eBay
2pcs Dual USB Wall Charger USB Power Adapter Plug Double USB Wall Plug Adapter 2-Port USB AU Plug 5V/2.1A Charger Certified
Aliexpress UK
USB 2.0 to RS232 Female DB9 Serial Cable, Connect USB Port on your Computer to your RS232 DP 9Pin Devices. If your RS232 device is a female port, you need to connect a DB9 RS232 converter or cable between the RS232 port of the device and the cable.
eBay
USB C Converter Coupler Extender usb 3.1 C panel mount pass through socket USB C Female to Female Connector USB C Jack Socket
Aliexpress UK