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KSS is designed to operate as part of a self-propelled artillery installation and has the following main functions:

  • providing the crew members of the facility with external simplex two-way telephone communication;
  • of the crew of the facility with a duplex external telephone wired communication;
  • of duplex internal telephone communication to crew members;
  • of sound (voice) information to crew on critical operating modes of chassis and diesel generator;
  • to ensure that the crew is informed of the operation of the anti-nuclear system;
  • providing data transmission functions on radio and wired lines;


  • AVSK-1U crew intercom system (depending on the version AVSK-1U-06, AVSK-1U-08);
  • R-168-25U-2 radio station;
  • R-168 BShDA onboard broadband antenna;
  • R-168 BAF-25(1) filter unit;
  • FN-152 filter;
  • ZAS secure communications equipment.


SPG 2S19 Msta-S, SPG 2S3 Akatsiya, self-propelled mortar 2S4 Tyulpan, SPG 2S7M Malka.