The AOR, USA SR2000A is an ultra-fast spectrum display monitor that shows received signals in full color. Using the power of FFT (Fast Fourier Transform) algorithms with a sensitive receiver covering 25MHz to 3GHz continuous, the SR2000A features a 5-inch TFT color LCD monitor that displays up to 40MHz spectrum bandwidth, a switchable time-lapse "waterfall" display or live video in NTSC, PAL or SECAM formats. The monitor is sensitive, fast, easy to use with a high quality internal speaker and can scan 10MHz in as little as 0.2 seconds. Instantly detects, captures and displays transmitted signals. Control is available through PC RS232C serial port or a USB interface.