... complexes. The R-693 radio receiver is designed to receive and process radio signals amid high-level atmospheric and intentional interference. Depending on the version the R-693 radio receiver provides operation: ► in HF (1.5 ... 30 MHz) or; ► all-band (0.008 ... 80 MHz) frequency ranges. It also ensures simultaneous reception of signals via 4, 8, 12 or 16 channels. The product supports SDR technology and can be remotely controlled via the IRPS, RS-232S/485 and Gigabit Ethernet interfaces. ...