Connectors for 5G Applications Cinch Connectors for 5G Applications features a broad range of products that include connectors, adapters, and cable assemblies. The SMA, SMP, SMPM, 1mm, 1.85mm, 2.4mm, and 2.92mm series are all designed to meet 5G application needs. Each Cinch series offers specific features for RF and microwave connectivity solutions.