The HDRF-2570-B from RF Electronics is a RF Shielded Test Enclosure that operates from 20 MHz to 6 GHz. It has a thick RF absorbing foam that provides an isolation of more than 90 dB at 6 GHz. It has shielded power filters for providing power connection in the box while blocking all wireless signals. The HDRF-2570-B has a number of I/O connector options that include HDMI, RJ45, USB, DB9, VGA, DB25 and AC/DC. The shielded box measures 635 x 635 x 635 mm and is ideal for 802.11 a/b/g/n/ac, Bluetooth, RFID and 3G Device Testing.