Conversion adapters; HRS No: 311-0278-5 40; Connector Type: Adapter; Impedance (ohm): 50; Frequency Range (GHz): 0 to 3; VSWR (Max): 1.2; Mating/Unmating Cycles: 500; Contact Mating Area Plating: Gold; Operating Temperature Range (degrees C): -40 to 85; General Description: SMA-Jack/E.FL-Plug Conversion adapter; Inspection of receptacle