Special Features:

7.031 by 15.219 by 18.063 in. O/a; chan type; 2 communication circuits 2 telegraph chan; transmitting freq 382.5 to 977.5 hz range, carrier freq employed 382.5 467.5 552.5 637.5 722.5 807.5 892.5 977.5 hz; receiving freq 382.5 to 977.5 hz range, carrier freq employed 382.5 467.5 552.5 637.5 722.5 807.5 892.5 977.5 hz; 100 words per min speed of circuits; jetds id telegraph modem type th-17/t; for specif use; equip appl jetds telegraph modem assembly type th-15/t

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.