Distributor can be used to distribute and isolate signals; the dataset includes primary raw materials, auxiliary materials, and energy from the production process, but infrastructure such as production equipment and factory construction is not included within the system boundary of the dataset; the life cycle inventory is compiled from data from multiple sources; the manufacturing process of distributor includes circuit board assembly, high- and low-temperature testing, housing fabrication, assembly, laser marking, room-temperature power-on testing, packaging, and other procedures.