The 148-0801-301 from Cinch Connectivity Solutions is a RF Connector with Frequency DC to 67 GHz, Operating Temperature -65 to 165 Degree C, PCB Thickness 0 to 0.11 Inch, Voltage Rating 500 Vrms, VSWR 1.20:1. Tags: Standard. More details for 148-0801-301 can be seen below.