A Racal communication suite was installed to improve communications range and digital battlefield compatibility and a new CBRN suite was also added, the SZ 2000 CBRN suite giving substantially superior performance over the older NBC suite used on M-84 tank; for example, in nuclear or chemical/biological warfare situations, SZ-2000 shuts the engines down and automatically filters fresh air into the tank.
The installation of a Racal communication system enhanced battlefield communications and compatibility with digital systems. The addition of a new CBRN suite, the SZ 2000, improved protection against chemical and biological threats compared to the older NBC suite on M-84 tanks. In specific situations like nuclear or chemical/biological warfare, the SZ-2000 automatically shuts down engines and filters fresh air into the tank.