File:External 33.6k serial dial-up modem.jpg - Wikimedia Commons
MultiTech Systems MultiModem 33.6K bps Data/Fax Modem Model MT2834ZDXb | eBay
Amazon.com: MULTITECH - ISA V.33.6K DATA/FAX MODEM : Electronics
Apollo FM336 33.6 PCMCIA Laptop modem (New) V.34bis 33.6K PC Card Data/Fax Modem. Comes with all accessories. For Win NT 3.x, 4.x, Win 3.x, Win 95, OSR2, and DOS major Operating Systems. - Walmart.com