The PAM-0126 from A.H Systems is a Preamplifier designed to enhance system sensitivity across the frequency range from 20 MHz to 26.5 GHz. It provides a typical gain of 34 dB with gain flatness of +/- 3.0 dB, has a noise figure of 4.2 dB, and a VSWR of 1.7:1 (output). This individually calibrated preamplifier has a low VSWR and is ideal for low-amplitude test measurements. This preamplifier can be used in an EMC lab or for general RFI (radio frequency interference) testing in the field. It is available in a rugged module that measures 63 x 95 x 158 mm (2.50 x 3.75 x 6.25 inches) with N-type (female) connectors. This preamplifier is portable and has a lightweight build weighing 0.5 Kg (1.1 lb).