USB 2.0 A-Male to Dual DB9-Male Serial Adapter - Micro Connectors, Inc.
Amazon.com: Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac w/ ESD and Surge Protection : Electronics
16 Port USB to Serial RS232 Adapter Hub - Serial Cards & Adapters
2 Port USB to RS232 Serial Adapter Cable - Serial Cards & Adapters
Brainboxes US-257 2 Port RS232 USB to Serial Adapter - Newegg.com
DTECH Dual Serial to USB RS232 Adapter Cable with FTDI Chip FT232 RS-232 COM Port Expansion Compatible with Windows 11 10 8 7 XP Mac Linux : Electronics
DTECH Dual Serial to USB RS232 Adapter Cable with FTDI Chip FT232 RS-232 COM Port Expansion Compatible with Windows 11 10 8 7 XP Mac Linux : Electronics
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Tripp Lite
SystemBase Multi-1/USB RS232 | USB to RS232 converter
USB to serial 4 Port DB-9 RS-232 Adapter with FTDI Chip
4 Port Professional RS-232 USB 2.0 to Serial Adapter
USB to 4 Port Serial Converter - from LINDY UK
Industrial Grade Usb-rs485 Usb-rs422 Usb-rs232 Isolated Conversion Module Bidirectional Conversion Usb Turn Multiple 232/422/485 - Integrated Circuits - AliExpress
Multi-1/USB RS232 | USB Device | Wired | SystemBase
2-Port Professional RS-232 USB 2.0 to Serial Adapter 5ft.
SystemBase - Made In Korea - USB to 4ports RS232 Serial Cable (USB to RS232 Adapter), USB 2.0, DB9 Male, Cable 1.96ft(0.6m) Latching USB Connector Applied (Multi-4/USB RS232) : Electronics
USB-to-Serial Converters - Industrial USB-to-Serial Converters | Moxa
Dual Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ FTDI Chip - Coolgear
US-757 | Brainboxes
Usb To Db9 Female Rs232 Ioioi Port Serial Adapter Converter Cable Support Win7/8/10 - Pc Hardware Cables & Adapters - AliExpress
Amazon.com: Dual Ports Serial RS-232 COM DB9 Male to USB2.0 Adapter Cable USB to 2X RS232 : Electronics
UH520 - 8Port USB Slim Docking Station with CAT5/RJ45 Ethernet Port
4-port USB to Serial RS232 Converter
If I plug a two serial devices into usb adapters both into a single USB hub will my computer see two different COM ports? - Super User
4 Port USB to Serial Adapter - USB-B to DB9 RS485 RS422 | Tripp Lite
Micro Connectors, Inc. Plug and Play USB to Dual Serial DB9 Adapter Windows 10 / Win 8/ 7/ XP/ Vista / Mac (E07-162) : Everything Else
