Frequency range 18 ghz; input signal levels are as small as m25 dbm and as large as p27 dbm; provide am and fm tolerance; operating temp 0 to 50 degree c; power requirements; 100/115 or 200/230 v; 48 to 440 hz; 35 watts; 10 digit in line display; impedance 50 ohms nom; mid range input: 100 mhz to 512 mhz; low range input: 20 hz to 100 mhz; 4.750 in. H, 8.375 in. W, 13.500 in. D