C09100U0001522 is a circular M16 connector from Amphenol's signalmate® C091 family designed for industrial signal and power connections. The connector is part of a modular series available in multiple configurations (M16 A, M16 B, M16 D, M16 D+, and M16 Q variants) with 2 through 19 position options depending on the specific series. While the exact variant for this SKU cannot be definitively determined from the available context, the C091 family features environmental protection up to IP69K when mated, excellent EMI shielding capability, and operates across diverse temperature ranges. The connectors support various coupling systems including threaded, bayonet, and quicklock options, with contact termination options including solder and crimp. These connectors are widely used in measuring instruments, equipment, and 4G/5G mobile radio networks where reliable power and signal integrity are essential.