ATR (Air Transport Rack) for avionic applications in ¼ ATR, ½ ATR, ¾ ATR, 1 ATR, ½ ATR tall long and ½ ATR short form factor, according to the ARINC 404A e ARINC 600 specifics. The products include preconfigured and prevalidated systems based on VMEX64x, CompactPCI, VXS, VPX, mTCA and platforms with backplanes and power supply modules that can be integrated with COTS boards.