The 125-0901-811 from Cinch Connectivity is an In-series SMPM Bullet Adapter that operates from DC to 65 GHz. This 50-Ohm adapter has an insertion loss of less than 0.10 dB, a VSWR of up to 1.45:1, and an RF leakage of -65 dB at 3 GHz. It can withstand a minimum of 325 Vrms at sea level. The adapter measures 0.210 inches in length and is available with SMPM female interfaces.