MFJ-860 Meter
Rear Panel

The MFJ-860 rear panel features SO-239 connectors for RF input and RF output 1.8 to 60 MHz up to 300 watts. The two power ranges are selected by a push button: 30/300 watts forward (and 6/60 watts reflected). SO-239 jacks for input and output. There is also a DC input jack for meter illumination if desired. This is a DC coaxial jack, 12 VDC center positive for a 2.1 mm coaxial plug.