Built-in mastic cold shrink tube for gNB:Because this built-in mastic cold shrinkable tube has good insulation and waterproof, it is widely used in the construction of 5G base stations.Communication Built-in Mastic Cold Shrink Tube is a waterproof sealing product designed for the communications industry. It combines cold-shrink technology with high-performance mastic material to provide reliable waterproof, dustproof and electrical insulation protection for cable connections. The product is widely used in cable connections of base stations, antennas, feeders and other communication facilities to ensure stable operation of communication systems.Cold Shrink Tubing for Communication,cold shrink tube,Built-in Mastic Cold Shrink Tube,Shrink tube.