The JRE 1812 from JRE Test is a RF Shielded Test Enclosure with Frequency 1 to 6 GHz, Isolation/Insulation -100 to -85 dB, Interior Depth 8.46 Inches, Interior Height 3.54 Inches, Interior Width 5.91 Inches. Tags: Benchtop. More details for JRE 1812 can be seen below.