The N-401-003 from VidaRF is a RF Connector with Frequency DC to 11 GHz (For 50 Ohms), DC to 1.5 GHz (For 75 Ohms), Operating Temperature -65 to 125 Degree C, Voltage Rating 1000 V rms, VSWR 1.50:1. Tags: Standard. More details for N-401-003 can be seen below.