JM-680B is a space-saving system of fixed channel modulator, which is made of 1 modulator,can be easily installed on a standard 19-inch frame. headend.
Features:
Microcomputer control, dual phase-locked sound image;
High output, adjustable sound frequency offset in a row, high reliability;
There is power and memory, excellent audio and video linearity;
1 RF output port; 1video port, audio input;
Wide range of linear power supply;
The use of SMD technology, machine stability;