Kathrein WFS 55 Window/Door Feedthrough Cable (21210028)

For satellite and terrestrial antenna installations in homes and apartments, the Kathrein WFS 55 provides a flat, flexible feed-through cable that routes signals through closed windows or doors without drilling. Connect your satellite dish, DVB-T antenna, or radio aerial to indoor receivers while keeping the window sealed.

Key specifications

• Flat cable section: 250 mm length, 15 mm width, 0.3 mm thickness
• F-socket to F-socket connectors
• Impedance: 75 Ohm
• Frequency range: 5 – 2400 MHz
• Insertion loss: 1.5 dB at 500 MHz, 2.0 dB at 1000 MHz, 2.5 dB at 2000 MHz, 3.0 dB at 2400 MHz
• Shielding effectiveness: > 40 dB (30 – 1000 MHz)
• Conductor material: tinned copper
• Max. current: 0.5 A
• Operating temperature: -20 to +50 °C
• Durability: approx. 1000 opening/closing cycles

Why choose it

The ultra-thin flat section passes through most window and door gaps without damaging the cable or the frame. It supports satellite, terrestrial TV, and radio frequencies up to 2400 MHz, making it a versatile solution for temporary or rental installations.

Ideal use cases

• Connecting a satellite dish to a receiver in a rented apartment without drilling
• Temporary setups for caravans, holiday homes, or events
• Routing DVB-T or radio antenna cables through balcony doors

Good to know

The cable is designed for repeated opening and closing of the window or door. Ensure the flat section is not pinched or bent sharply to maintain signal quality.