The WiNRADiO WR-G65DDC 'EXCALIBUR Sigma' is a top performance, direct-sampling, software-defined, wide-band, two-in-one HF/VHF receiver with two frequency ranges from 1 kHz to 88 MHz and from 118 MHz to 190 MHz. The receiver has two independent and mutually exclusive inputs, one per each range. It includes a real-time 88 MHz wide spectrum analyzer (72 MHz in VHF range) and up to 64 MHz wide instantaneous bandwidth available for recording, demodulation and further digital processing.