Hayes Microcoupler Off-Hook Acoustic Coupler – Vintage Modem – USA

S-100 backplane motherboard bare PCB 9 slot (for Altair/IMSAI)

Atari 1030 ~ Modem Accessory Only (976 FE) Modemlink Powers ON Lights Up Vintage

Lot of vintage Video, Modem Cards- Untested Us Robotics Blaster Alcatel MGI

Vintage PC Spares - STB Graphics Card, US Robotics Modem & Belkin Network Card

Vtg. 138-MMSN842 AZTECH 16bit ISA Modem & Sound Card Vintage Computing

Vintage MWAVE 16 Bit ISA Audio / Sound / Modem Expansion Card -- E7A3986

Random Lot of Computer Parts Ram Modem (VINTAGE)