Special Features:

Single-card programmable hf modem that provides on-the-air compatibility with emerging high-performance waveform standards; prime power-115-220 vac, 47 to 440 hz, single phase; operating temperature 32 to 122 degrees f; mounts in standard 19 in rack

Properties:

An item which modulates and demodulates one or more electrical signals. It connects data terminal equipment to a communication line or network such as telephone, radio or telegraph. It may include the multiplexing and demultiplexing circuits, circuit amplifiers and source(s) of carrier frequency. For items designed for light signals, see modem, fiber optic.