The STE3500 from Ramsey Electronics is a RF Shielded Test Enclosure with Frequency 2 to 6 GHz, Isolation/Insulation 80 to 90 dB, Interior Depth 13.8 Inches, Interior Height 17.1 Inches, Interior Width 20.8 Inches. Tags: Benchtop. More details for STE3500 can be seen below.