StarTech.com USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI - ICUSB232FTN - Serial Adapters - CDW.com
Extern 56K hardware gebaseerd USB modem - Infrarood, Bluetooth en telecom- adapters | StarTech.com Nederland
Null Modem Adapter, Argent Data Systems
Unifi Modem Power Adapter (GIVEAWAY/FREE/SELF-PICKUP), Computers & Tech, Parts & Accessories, Networking on Carousell
StarTech.com USB to Serial Adapter - Null Modem - FTDI USB UART Chip - DB9 (9-pin) - USB to RS232 Adapter - Add a Null Modem RS232 serial port to your laptop
DB25 Male to DB25 Female Low Profile Null Modem Adapter - Sealevel