Mehrab (Persian: موشک محراب) or Altar is an Iranian-designed, short[1] or mid-range surface-to-air missile (SAM)[2] based on the Sayyad-2 [citation needed].
According to IRGC officials speaking to Iranian state-media sources, the missile contains "a built-in system that enables it to thwart jammers".
[3][4] The missile was tested fired reportedly between December 2011 and January 2012.
[2][3]