Weatherproof heat shrink is used on the connectors to provide strain relief. Our radio pigtails are made from the highest quality products available. All cable assemblies are 100% tested electrically for continuity as a standard procedure, we also test our cable assemblies with industry leading tests that ensure optimum quality at high frequency. We maintain a rigorous quality assurance and inspection system. Our connectors are manufactured in certified ISO-9001 facilities. Our cables are second to none and we guarantee it.