Mount this MFJ-1704 four position SO-239 switch and youll have more than convenience of instantly selecting any of 4 antennas or center ground position --- you get a replaceable lightning surge protection that helps protect against distant lightning induced surges and static. Handles 2.5 kW PEP. Extremely low SWR.Â

Mount this MFJ-1704 four position SO-239 switch and youll have more than convenience of instantly selecting any of 4 antennas or center ground position --- you get a replaceable lightning surge protection that helps protect against distant lightning induced surges and static.

Four position switch with additional position for ground. Time Owned: more than 12 months.

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MFJ 1704 antenna switches utilize heavy cast metal construction and ball bearings for smooth switching. Additional features include: * Handles up to 2.5 kW PEP * Extremely low SWR * Isolation: greater than 60 dB at 30 MHz, greater than 50 dB at 500 MHz * Negligible insertion loss * 50 ohms impedance Switch and protect at the same time!

2024年9月14日 · MFJ-1704 Hi Power Antenna Switch - 4 Position. Modifications void your warranty (especially radio MARS/CAP modifications). Handles 2.5 kW PEP. Isolation is rated better than 60 dB at 30 MHz to better than 50 dB isolation at 500MHz.

The MFJ-1704 switch selects up to four antenna or center ground position. It also features static surge suppression with a replaceable arrestor. It handles up to 2.5 kW PEP 1 kW CW. 0-500 MHz. Isolation is rated from >60 dB at 30 MHz to >50 dB at 500 MHz. 50 ohm. SO-239. Blue color. [We have sold out of the SO-239 version].

Whether you’re operating in the lower frequency ranges or pushing the limits at higher frequencies, the MFJ-1704 ensures clean and reliable signal transmission. Capable of accommodating a broad frequency range from DC to 500 MHz, this antenna switch offers versatile compatibility with various radio systems.