Quantic PMI Model VGA-20M1G-100W-DSUB is a high-power, variable gain amplifier that operates over the 0.02 to 1 GHz frequency range, provides a maximum gain of 48 ± 1 dB, and exhibits a gain flatness of ±2 dB maximum. Housing size is 6.40" x 3.40" x 1.06" with SMA female connectors.