The LDA-302P-1N from Vaunix is a 50 Ohm, USB digital attenuator which operates from 10 to 3000 MHz. It has an attenuation range of 63 dB and an insertion loss of 4.5 dB. It has a USB flash drive containing the GUI software and digital version of the programming guide. It is ideal for WiMax, 3G and LTE applications. The LDA-302P-1N is compatible with Windows 2000, Windows XP, Windows Vista, and Windows 7. It is housed in rugged aluminum enclosures measuring 3.86 x 2.52 x 1.35 in. and weigh 0.5 lb.(0.23 kg).