Johnson / Cinch Connectivity Solutions SMP3 Adapters and Connectors offer high-frequency ratings up to 67GHz and a miniaturized size that is 30% smaller than SMPM. The SMP3 series includes both adapters and connectors, and the bullet adapters are used to support the SMP3 standard and are used with 3 connections. These adapters and connectors feature a variety of configurations: 1.85mm, 2.4mm, and 2.92mm. Johnson / Cinch Connectivity Solutions SMP3 Adapters and Connectors are ideal for applications with high shock and vibration, as the bullet helps compensate for radial and axial misalignment.