QUANTIC PMI Model No. TD-30T-SHS-218-AMP-OPT4G4D5G-40DBM is a Threshold Detector that operates from 4.0 to 4.5 GHz with a maximum input power level of +10 dBm and a typical propagation delay of 10 ns. This model has SMA female connectors in a housing that measures 2.50" x 2.00" x 0.50". https://www.Quantic PMI-rf.com/product-details/td-30t-shs-218-amp-opt4g4d5g-40dbm