Quantic PMI Model No. PEC-20-200M6G-3R0-25-SFF is a 200 MHz to 6.0 GHz Low Noise Amplifier that has a gain of 20 dB with ±1.5 dB flatness, OP1dB OF +25 dBm minimum and a noise figure of 3.5 dB.  This model has SMA female connectors in a housing that measures 1.92" x 0.78" x 0.36".  https://www.pmi-rf.com/product-details/pec-20-200m6g-3r0-25-sff