NSIL provides state of the art test facilities of qualification and testing of space systems. The ISRO Satellite Integration and Testing Establishment (ISITE) is a world class Assembly, Integration and Testing (AIT) complex with all spacecraft integration and test facilities under one roof. Complete assembly and test sequence enables rolling out of flight worthy spacecraft from stage of a bare structure. It includes checkout facility for the test protocols of large high power satellite, thermovacuum chamber, for thermovacuum performance qualification of the spacecraft, vibration shaker for dynamic tests, physical parameter measurement facilities and Compact Antenna Test Facility (CATF)

The system level facilities include the following:

• Clean Rooms
• Thermo Vacuum Test Facilities
• Vibration Test Facilities
• Acoustic Test Facility
• Compact Antenna Test Facility
• Electromagnetic Interference (EMI) and Electromagnetic Compatibility (EMC)

The spare capacity at the facilities will be made available after meeting requirements of national space program.