1.0mm Female to 1.0 female RF Coaxial Adaptor ultra-high-frequency adapter provides a critical interface between two 1.0mm male coaxial connectors, maintaining signal integrity up to an exceptional 110 GHz. Designed for demanding millimeter-wave applications, it features precision-machined beryllium copper contacts, robust outer conductors, and optimized air dielectric construction to minimize insertion loss, maximize return loss, and ensure excellent phase stability. Essential for test setups involving Vector Network Analyzers (VNAs), semiconductor wafer probing, advanced radar, satellite communications, and 5G/6G research, this adapter demands meticulous handling due to its fragile center pins and exacting mechanical tolerances. Performance is highly sensitive to proper torque and cleanliness.