Profile: Alpha Delta Communications manufactures and distributes coaxial surge protectors, coaxial switches and HF fixed wire antennas. We are an ISO-9001 certified company. Our products are coax surge protectors, low loss coax surge protectors for broadband wireless applications, limited space high performance antennas, antenna insulators, antenna selector console desk top coax switches and shortwave sloper antennas. Our low loss coax surge protectors for broadband wireless applications feature Arc-Plug® module and connectors are O ring sealed for complete weatherproofing. Our antenna insulators are designed for strength and to provide equipment protection with a built-in replaceable Arc-Plug® static electricity protector. They are ideal for dipoles, vees, zepps and all kinds of SWL receive antennas.