The ATK-SBX-OTA-A-550 from Aethertek Technology is a RF Shielded Test Enclosure with Frequency 0.5 to 40 GHz, Isolation/Insulation -80 dB, Interior Height 21.65 inches, Interior Width 21.65 inches, Voltage 5 V. Tags: Benchtop. More details for ATK-SBX-OTA-A-550 can be seen below.