The dbSAFE DUO M-F from DVTEST is a RF Shielded Test Enclosure with Frequency 300 MHz to 18 GHz, Isolation/Insulation 80 to 100 dB, Interior Depth 24 Inches, Interior Height 24 Inches, Interior Width 24 Inches. Tags: Benchtop, Bench-Top. More details for dbSAFE DUO M-F can be seen below.