Quantic PMI Model No. PEC-40-25-218-21-12-SFF-TTLVG is a variable gain amplifier that operates over the 2.0 to 18.0 GHz frequency range. This model has two gain states. The gain is +40 dB and in low gain model the gain is +25 dB typically. The OP1dB is +20 dBm minimum and a maximum noise figure of 4.5 dB in maximum gain mode and 7.0 dB in minimum gain mode. The gain model is controlled via TTL and switches between states in less than 500 ns. The amplifier is supplied with SMA(F) connectors and the housing measures 2.54" x 1.0" x 0.383".  https://www.quanticpmi.com/product-details/pec-40-25-218-21-12-sff-ttlvg