The BD-40M100M-671568-1 from American Microwave Corporation is a Bit Detector that operates from 40 to 100 MHz. It has an insertion loss of 0.6 dB and an operational power range from -5 to 20 dBm. This 50-ohm detector can handle an input power of 30 dBm (~1 W) and has a VSWR of 1.20:1. The detector is available in a module that measures 1.5 x 1.5 x 0.6 and has coaxial connectors.