PMI Model No. TD-16G40G-20-292F is a High Speed Threshold Detector Designed to Operate over the 16 to 40 GHz Frequency Range, with an Adjustable Threshold Level of -20 to 0 dBm, and VSWR of 2.5:1 Maximum. This unit comes in a very small size with 2.92mm Female Connector on the Input and Solder Pin on the Output.