Amazon.com: HAYES - HAYES 07-00038 SMARTMODEM 1200 EXTERNAL MODEM - 07-00038 : Electronics
MultiTech MT9234ZBA-USB V.92 Multimodem Data/Fax 56K External Modem USB
Amazon.com: StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/ Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem - Network Fax/CMR/POS (USB56KEMH2),Black :
Zoom V.92 56K USB Mini External Modem - Walmart.com
USB Black 56K RS232 External Modem, 205 Gm
File:External 33.6k serial dial-up modem.jpg - Wikimedia Commons