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DUMMY LOAD. A dissipative but non-radiating device that has the impedance characteristics of an antenna or transmission line. Terminator is the common term for a cable load. Common impedance values for cable terminators are 50 and 75 ohms. Transmission line, cable terminations are shown below, click for a larger image.
BNC Terminator, Dummy Load
The chain is not required and only used to secure the load to the device so that it is not lost.
TNC Terminator, Dummy Load
The fins on the TNC terminator are used for heat dissipation.
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