PURPOSE: The 2000 series is a new generation of multi-channel digital VHF radio means and VHF / UHF bands is designed for the state and civil aviation ATC systems. The digital implementation improves the efficiency of radio solutions and data transfer in ACARS and VDL 2 modes. OPERATIONAL CAPACITY: Full compliance with ICAO and national standards; high immunity to noise in a complex electromagnetic environment; automatic adaptation to external conditions; round-the-clock work at radio transmitter max power (50 W); extended internal testing procedure; easy operation and reliable protection against errors; remote monitoring and control through LF and digital channels; effective monitoring and backup; high reliability; electronic event journal (documentation) with local and remote access.