A simple workaround for all this was an acoustic coupler, a device that played your modem’s sounds directly into a phone’s receiver without any electrical connection. Modem speeds were slow ...

A simple workaround for all this was an acoustic coupler, a device that played your modem’s sounds directly into a phone’s receiver without any electrical connection. Modem speeds were slow ...

Acoustic couplers were widely used in the days ... computer's digital signals to analog sound waves and vice versa. The coupler contained a shaped foam bed that the handset was placed in and ...