Amphenol Quadrax contacts are designed for high-performance applications requiring high data transfer rates and low power consumption. These contacts feature four strategically spaced inner contacts forming two 100 or 150 Ohm matched impedance differential pairs, ensuring efficient signal transmission. The rugged outer contact provides durability, making them suitable for demanding environments. Available in size 8 crimp termination style, these contacts are a critical component in various communication systems and industrial applications. Modification of MIL-DTL-38999 connectors is required to accommodate the keyed contacts.