Vintage Hayes SmartModem 1200B 8 bit ISA Internal Modem Card

IBM MWave MDSP2780 ISA Sound Card / Modem Combo – Vintage 16-Bit PC

Vintage 1983 BCN for KAYPRO II 4 Or 10 Hayes Smart Modem Operators Manual

Vintage Bondwell Pocket Modem

Hayes 1983/84 SmartModem 1200B (New, Open Box)

Hayes Factory SEALED 1992 Era SmartModem 1200B Card Internal XT AT PC MODEM

Vintage 1996 Zoltrix MX Rockwell FM-9618 Modem ISA Card 33.6 Voice

Vintage Personal Computer News Magazine Oct 5th 1983 Micronet ZX Spectrum Modem