Conversion adapters; HRS No: 311-0103-1 44; Connector Type: Adapter; Impedance (ohm): 50; Frequency Range (GHz): 0 to 1; VSWR (Max): 1.2; Contact Mating Area Plating: Gold; Operating Temperature Range (degrees C): -55 to 85; General Description: BNC-Jack/UM-Jack; Outer parts:Nickel plated; Panel mount conversion adapter