Rf impedance 50 ohms; impedance 50 ohms; frequency range 0.1 to 18.0 ghz; dynamic attenuation range 40 db ; frequency response 50 khz dc; operating temperature range 0 to 70 degrees c; input power plus 33 dbm ; height 7.520 in. ; width 8, 750 in. ; length 17.620 in.