The QCE-MB-B1200-1 from Qualwave is a RF Connector with Frequency DC to 11 GHz, Connector Length 48.1 mm ( L ), Operating Temperature -55 to 125 Degree C, Voltage Rating 2000 VDC, VSWR 1.30:1. Tags: Standard. More details for QCE-MB-B1200-1 can be seen below.