The JRE 1724A from JRE Test is a RF Shielded Test Enclosure with Frequency 1 to 6 GHz, Isolation/Insulation -100 to -85 dB, Interior Depth 12.6 Inches, Interior Height 3.74 Inches, Interior Width 20.47 Inches. Tags: Benchtop. More details for JRE 1724A can be seen below.