Coax-Seal Cable Waterproofing Sealant Tape - Seals and protects all types of cable, wire and connectors from moisture and corrosion - Adheres to all cable and wire hardware and cable jackets - Offers years of protection from the effects of weather - Aerospace self-sealing, self-amalgamating material. Ideal for all types of antennas, wireless networks, radar, cable, satellite dishes, marine and aviation electronics, and any application requiring protection from the weather Water and corrosion are the enemies of radio signals carried by wireless networks and radio and TV antennas. Moisture leads to inefficient physical connections and a noisy line. Corrosion results in the destruction of the line's ability to carry signals. In higher frequencies such as UHF, VHF and microwave ranges, water contamination causes losses that look like dead shorts.