The 145-0801-612 from Cinch Connectivity Solutions is a RF Connector with Frequency DC to 40 GHz, Operating Temperature -40 to 85 Degree C, Voltage Rating 250 Vrms(Working Voltage) to 750 Vrms(Dielectric Voltage), VSWR 1.20:1. Tags: Standard. More details for 145-0801-612 can be seen below.