The 4151 from Ophir RF is a 250 W Solid-State Power Amplifier (SSPA) that operates from 6.0 to 18 GHz. It delivers a saturated output power of 250 W with a small signal gain of more than 54 dB and supports CW/AM/FM/PM/Pulse input signal formats. It has a P1 power of 80 W, an IP3 of 58 dBm, harmonics of -20 dBc, and a spurious of -60 dBc. This amplifier utilizes Class A/AB linear power devices that provide an excellent 3rd-order intercept point, high gain, and a wide dynamic range. It requires an AC supply of 180-240 V and consumes less than 3500 W of power. The amplifier is available in a rack-mount module that measures 19 x 8.75 x 26 inches with N-type (female) connectors and a WRD-650 waveguide interface. It has internal forced cooling and weighs 125 lbs.