C09131H0081002U is a circular connector from the Amphenol C091 series designed for AISG (Antenna Interface Standards Group) applications in wireless infrastructure. This connector is engineered for outdoor use with features including 720 hours salt spray resistance, IP 68 tightness rating, EMC shielding with 30 dB, and extreme temperature and vibration resistance. The connector complies with AISG standard 4.0 and is suitable for harsh environmental conditions. Common applications include antenna systems and wireless infrastructure equipment where reliable outdoor connectivity is essential.