Quantic PMI Model TD-30T-218-FC-HS OPT052 is a High-Speed Threshold Detector designed to operate over the 0.5 to 2 GHz Frequency Range. It has an external adjustment to vary the threshold level from -10 to -20 dBm, with an Input Flatness of typically ±1.0 dB and VSWR of less than 3.0:1. This unit comes in a small size with field removeable SMA connectors for surface mounting or typical coaxial connection.