KRYTAR Inc. announces the expansion of its line of directional couplers with the addition of two models offering 30 dB of coupling. Model 120430 covers the 4 to 12.4 GHz frequency band, while Model 120730 covers the 7 to 12.4 GHz frequency band. These couplers are uniquely designed for systems applications where external leveling, precise monitoring, signal mixing or swept transmission and reflection measurements are required.