Professional RF Multiplexer for Testing Equipment Bi-directional broadband RF switch 4x1 1x4 for Testing Equipment CGRF 200 is a very flexible connection path between the device under test and the test equipment. It allows different instruments to be connected to the point on your measurements at the same time. CGRF 200 provides 4 configurable channels to 1 out (or 1 input to 4 outputs) in 1 U rack mount. SW remote via RS232 or RS485 serial link, auto timing switch or Manual source selecti...