Four 50 Ohm Teflon SO-239 coax connectors lets you feed HF/VHF/UHF antennas at full legal power limit.

A 50 Ohm Teflon coax N-connector lets you use any antenna up to 11GHz, including 450MHz, UHF, satellite, moon bounce and 2.4/5.8GHz Wi-Fi antennas.

A 75 Ohm, 1GHz F-connector makes it easy to bring in television, Satellite, HD, cable TV and FM radio signals.

A pair of high-voltage ceramic feedthru insulators lets you bring in 450/300 Ohm balanced lines directly to your antenna tuner.

Has random/longwire antenna ceramic feedthru insulator.
5-way binding posts lets you supply 50 Volts/15 Amps DC/AC power to your outside antenna tuners/relays/switches.

Stainless ground post brings in ground connection, bonds inside/outside stainless steel panels together and drains away static charges.

MFJ's exclusive Adaptive Cable Feedthru lets you bring in rotator/antenna switch cable, etc. without removing connectors(up to 1-1/4 x 1-5/8"). Adapts to virtually any cable size. Seals out rain, snow, adverse weather.

MFJ Weather-Proof Antenna Feedthrough Panels mounts in your window sill. Lets you bring all your antenna connections into your hamshack without drilling holes through walls.

Simply place in window sill and close window. One cut customizes it for any window up to 48 inches. Use horizontally or vertically. High-quality pressure-treated 3/4 inch thick wood has excellent insulating properties. Painted with a
heavy coat of long-lasting white outdoor enamel paint. Edges sealed by weather-stripping. Seals and insulates against all weather conditions. Gives years of trouble-free service. 3/4"D x 3-1/2"H x 48"w.

Inside/outside stainless steel plates bond all coax shields together to ground connections. Stainless steel ground post brings outside ground connections inside.