withwave's Precision 2.92 mm Female to SMPM Female Microwave Adapter, DC to 40 GHz, 50 Ohm, Stainless Withwave’s Precision Test Adapters are designed based on precision microwave interconnection technologies. This 2.92 mm(F) to SMPM(F) adapter is manufactured to precise microwave specifications and constructed with female gender on side 1 and female gender side 2. The precision microwave connector interfaces ensure an excellent microwave performance up to 40 GHz. ■ Features - Frequency range : DC to 40 GHz - VSWR : 1.20 : 1(Max) @ 40 GHz - Stainless steel (passivated)