The IG-442E from IGOS RF shielding is a RF Shielded Test Enclosure with Frequency 100 MHz to 6 GHz, Isolation/Insulation 90 to 110 dB, Interior Depth 38.19 Inches, Interior Height 38.19 Inches, Interior Width 38.19 Inches. Tags: Rackmount. More details for IG-442E can be seen below.