The 125-0901-801 is a 0.265-inch length SMPM bullet adapter with two female interfaces compliant with MIL-STD-348B. It operates with a 50-ohm impedance across a frequency range of 0-65 GHz, exhibiting a maximum VSWR of 1.45 at 65 GHz. The adapter is constructed with a gold-plated beryllium copper body and contact, along with a Teflon insulator, for robust performance. It is rated for a working voltage of 325 VRMS at sea level and an operating temperature range of -65°C to 165°C, making it suitable for demanding RF and microwave systems.