Der 56k Modem Klang - The 56k dialup modem sound - YouTube
VINTAGE 1999 - APPLE 56K INTERNAL MODEM - POWER MAC G4 - BOXED - NOS | eBay
Technicolor Creative Studios - Over 20 years, we've had a long series of #DOCSIS modem and gateway firsts worldwide: The DCM105 was the 1st D1.0 modem in 1999, followed by the DCM2000