"SUPPORTS LOCALIZER, GLIDESCOPE, MARKER BEACON, VOR AND NON-DIRECTIONAL BEACON EQUIPMENT SIGNAL ANALYSIS AND MEASURES PARAMETERS REQUIRED BY FAA MAINTENANCE ORDERS AND BY ICAO 8071;DISPLAY-COLOR, 6.5IN DIAGONAL, SUNLIGHT READABLE, ADUSTABLE BACKLIGHT;SPECTRUM DISPLAY RANGE-75MHZ-350MHZ, 0 TO -90DBM;AUDIO DISPLAY RANGE-0 TO 50KHZ, UP TO 10 VOLTS PEAK (2 CHANNELS)"