The 919-426J-71P12G from Amphenol RF is a RF Connector with Frequency DC to 12 GHz, Operating Temperature -65 to 165 Degree C, PCB Thickness 0.032 Inches, Return Loss 15 to 20 dB, Voltage Rating 500 Vrms(Dielectric Withstanding Voltage). Tags: Standard. More details for 919-426J-71P12G can be seen below.