MFJ Antenna Window Feedthrough Panels Weather-Proof Antenna Window Feedthrough Panels mount in your window sill and bring HF/VHF/UHF antennas, balanced lines, random wire antennas, ground, DC/AC power and Rotator/Antenna Switch Cables into your hamshack without drilling through walls. Real Western Red Cedar wood is naturally resistant to rot, decay and insects -- lasts longer and is maintenance-free. Pitch and resin free for a wide range of beautiful finishes or leave it in its naturally beautiful raw finish. Simply place in window sill and close window. One cut customizes it for any window up to 48 inches. Use horizontally or vertically. Edges sealed by weather-stripping. Seals and insulates against weather conditions. Gives years of trouble-free service. All are ¾" x 3 ½" x 48" , except for MFJ-4605, which is ¾" x 7" x 48" . Inside/outside stainless steel plates bond all coax shields together to ground connection. Stainless steel ground post brings outside ground connection inside. MFJ-4602 - Our most popular model. Three SO-239 Teflon® coax connectors let you feed HF/VHF/UHF antennas. One set of high voltage ceramic feed-thru insulators bring 450/300 Ohm balanced lines into your hamshack. One ceramic feed-thru insulator for long-wire or random wire One stainless steel ground post brings ground in. Handles full 1500 Watt legal limit. Seven Models to choose from: MFJ-4600 MFJ-4601 MFJ-4601N MFJ-4602 MFJ-4603 MFJ-4604 MFJ-4605 Videos Product Manuals Download Product Manual
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