The first contract, for the production and transportation of 4 IFF antennas for the Patriot system, is simply a continuation of the agreement with Romania, which provides for the sale of an additional Patriot battery along with the Alien recognition strategy (IFF). [For respective years, PGZ's PIT-RADWAR company has been supplying IFF antennas for standard Patriot radars, including those built for export.](https://defence24.pl/przemysl/polskie-anteny-iff-dla-patriotow)