Iran Military Forum

Pics of Mersad System (delivered to Air Defence):

http://farsnews.com/imgrep.php?nn=13900707000856

Under Development:
Mersad Phase II: Third variant. This variant is currently under development. It will have double the range and altitude as compared to the basic Mersad.
Main
armament    3x Shahin Missiles

Engine    Solid propellant rocket engine

Operational
range    Mersad ~30 km, Phase I more than 30 km, Phase II ~60km(Planned)

Speed    More than Mach 2.4
Guidance
system    Semi-active radar homing
Mersad air defense system has superior capabilities and includes more capabilities than its western rivals like the Hawk mid-range defense system. Vahidi reiterated that Mersad is resistant to electronic warfare and can be used as part of a network of radar and air defense systems and is fully digital. The Shahin missile is an improved reverse engineered version of US made MIM-23 Hawk Surface to air missile sold to Iran before the 1979 revolution.

Some months later, Iran announced that it has increased the range and altitude of the missile defense system. Vahidi also noted that the new system can also engage more targets at the same time.

In November 2010, Iranian air force colonel Faramarz Ruh Afza said that Mersad has a limited ability to intercept ballistic missiles. That same day, the commander of Khatam al anbia base, Ahmad Miqani, said that Iran is working on the improving the Mersad with the second phase including double range and altitude.[

Sure, this is all known since last summer

Missile support

As the American MIM-23 Hawk, the Mersad Shahin missile launcher unit is transported and launched from a towed triple-missile launcher.

Missile

The Mersad on the other hand is the name for the system as a whole, including the Shahin missile. It still retains the overall configuration of the original I-HAWK delivered to Iran, but there are some difference. According to the Iranian military, the Shahin are even more advanced than the 1970s-era United States-manufactured Hawk missiles. The Hawk missile has a range of 24 km with a 54 kg warhead, but the Shahin missiles is capable of tracing and targeting any enemy aircrafts at 70 to 150 km. All the sub-assemblies of Shahin missile have been digitized with solid state electronics, though this might not be unique to the Mersad program and may or may-not apply to the other HAWK systems in use. The Shahin missile has a slender cylindrical body and four long chord clipped delta-wings with an opening at the end, extending from mid-body to the slightly tapered boat-tail.

Radar and control systems

The Mersad system is equipped with sophisticated radar signal processing technology, an advanced launcher, and electronic targeting and guidance systems. The Mersad system used 4 radars: to detect (PAR - Pulse Acquistion Radar and CWAR - Continuous Wave Acquisition Radar), to track (CWAR and HPIR - High Power Illuminator Radar) and to engage (HPIR) targets. A new range detection radar is used as a backup to the main PAR Pulse Acquisition Radar. The pulse acquisition radar is a long range, high altitude search radar. The Mersad has also a new CWAR (Continuous Wave Acquisition Radar), which has been redesigned from a half-cylinder to a box shape. The HPIR (High Power Illuminating Radar) while remaining largely the same, has a new optical and/or laser "eye" on the upper portion. The Mersad is also equipped with a new supplemental HPIR radar.

Combat use

The Mersad system equipped with Shahin missiles is capable of tracing and targeting any enemy aircrafts at 70 to 150km altitude and is considered as a mid-altitude system among the country's missile defense shields.

http://www.armyrecognition.com/iran_iranian_army_missile_systems_vehicles_uk/mersad_air_defence_system_shahin_missile_technical_data_sheet_specifications_description_pictures_.html