Item is cylinder 2.17 in. Lg with 2.2 in. Square box projecting center between top and bottom with coaxial connectors on two opposite sides; input return loss from 50 ohm source minus 10 dbm; bandwidth 3 db at 10 ghz; output 0.769 mv min from 1.0 to 12.4 ghz with minus 30 dbm input and 0.385 mv min from 12.4 to 18.0 ghz with minus 25 dbm input
