The EL/K-1891 mobile / airborne SATCOM terminal is designed for X or Ku bands. The antennae uses 25×10 cm plannar array or 80cm dish. Mounted on dual stabilized pedestal. In the dismounted ground satellite communications station, the terminal use a commercial 9.3 meter dish. System is derived from an airborne platform developed for the IAF F-16I and AISIS SIGINT aircraft.