The 3164-08 from ETS Lindgren is an Open Boundary Quad-Ridged Horn that operates from 700 MHz to 10 GHz. This linear or circular polarized (with hybrid option) horn provides cross-polarization isolation of more than 20 dB. It has an open boundary design similar to two double-ridged waveguide antennas placed orthogonally to each other. This directional horn is available as a package that measures 36.07 x 36.58 x 36.07 cm and is ideal for use as both a tripod-mounted or wall-mounted antenna. It is calibrated as per ANSI C63.5 and is ideal for applications including UWB wireless testing and lower frequency testing for GSM, PCS, Wi-Fi, and other applications.