The ATH4G8M2 is a microwave horn antenna that operates from 4 GHz to 8 GHz. It supplies the constant high intensity fields necessary for RFI/EMI field testing within and beyond the confines of a shielded room. A removable gain enhancer is included to insure the required field strength when conducting 3 meter testing. It has a high gain from 11 to 21 dB, a VSWR under 1.6:1 and can handle up to 1200 W of power. The Model ATH4G8M2 is extremely compact and light weight for ready mobility, yet is built tough enough for the extra demands of outdoor use and easily mounts on a tripod. It is available with 7-16 Female connectors.