This MFJ-4713 HF 4-Position Remote Antenna Switch lets you switch between four antennas remotely. Covers 1.8 to 30 MHz.
Run one coax from the indoor switch box to your outdoor control box on your mast or tower or where ever your antennas are located.
Then just hook up a coax patch cable from the indoor switch box to your transceiver. Green LEDs show you which of the four antennas you have selected.
Handy mounting holes are on both units. Quality SO-239 connectors, ground lugs.
The outdoor control box is 5Wx4.25Hx1.75D inches. The metal mounting plate protruding from the cabinet is 2 inches by 2.75 inches.
The indoor switch box is 3.75Wx2.75Hx1.5D inches. It’s mounting lip protruding from the cabinet is just .25 inches by 3.75 inches. Off position.
Use 12 VDC or 110 VAC with optional MFJ-1312D power supply.
This item is in production.

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