The HDRF-3590 from RF Electronics is a Stand Alone RF Tunnel Shielded Box that operates from 20 MHz to 40 GHz. This fully portable design is equipped with caster wheels for ease of movement. The interior of this enclosure measures 650 (W) X 650 (H) X 2050 (L) mm. It has a thick RF absorbing foam that provides isolation of more than 120 dB @ 3 GHz. The box has shielded power filters which can be used to power devices placed inside the enclosure while blocking all wireless signals. The HDRF-3590 has a number of user-friendly I/O connection options that include HDMI, RJ45, USB, DB9, VGA, DB25 and AC/DC. It is ideal for 802.11 a/b/g/n/ac, Bluetooth, RFID and 3G Device Testing.