MIcable D38999 high performance coaxial contacts are used for MIL-DTL-38999 circular connectors, there are 2 sizes and 4 types of contacts available at present, that are BMA type (size 8), RMMP type (size 8), SMMP type (size 12) and SSMP type (size 12). The working frequency range of size 8 contacts is DC-18GHz, and size 12 is DC-40GHz normally, and the VSWR of the contacts are 1.25@18GHz and 1.35@40GHz typically.