Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
Satechi USB-C to 3 Port USB-A + Ethernet Adaptor | Officeworks
Large Selection of USB-RS232 adapters, Easy Installation and Setup of USB RS232 COM ports.
35W Dual USB-C Port Power Adapter - Apple (HK)
StarTech.com 1 Port FTDI USB to Serial 232 Adapter Cable COM Retention - ICUSB2321F - Serial Cables - CDW.com
USB 3.0 to Gigabit Ethernet Adapter, 3 Port USB 3.0 Hub | Eaton
USB to 4-Port RS-232 DB9 Serial Interface Adapter - Sealevel
uni® USB C Hub w/ USB C, Multi-port USB Adapter | 1G Ethernet | 100W PD | 4K HDMI
Amazon.com: CableCreation USB to RS232 Serial Adapter with PL2303 Chipset, 10 FT USB to DB9 Pin Female Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras,CNC etc, Black : Electronics
Sharkoon - 3-Port USB 3.0 Aluminium Hub + RJ45 Ethernet Adapter Type C
Dual Port USB Adapter – NOCQUA Adventure Gear
USB 3 to Gigabit Network Adapter & Hub - USB and Thunderbolt Network Adapters | StarTech.com
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
Sharkoon - 3-Port USB 3.0 Aluminium Hub + RJ45 Ethernet Adapter Type C
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
Single Port USB 2.0 to RS-422 / RS-485 DB-9 Serial Adapter - Coolgear
Amazon.com: vantisan USB Hub 3.0 Powered, 7 Ports USB Data Hub Splitter with One Smart Charging Port and 5V/4A Powered Adapter and ON/Off Switches for MacBook, Mac Pro/Mini, iMac, Surface Pro Laptop/PC :
7-Port USB 3.0 HUB with Individual Switch Power Adapter Plug - Black - PrimeCables®
8-Port USB to RS-232 Serial Adapter Hub
Dual Port USB 2.0 to RS-232 DB-9 Serial Adapter w/ FTDI Chip - Coolgear