Quantic PMI Model PEC-54-8G18G-14DBM-SFF is a limiting amplifier with an operating frequency range of 8 to 18 GHz that offers a gain range of +50 to +58 dB with a gain flatness of ±3.5 dB maximum, a noise figure of 7.5 dB.  saturated output power +16 dBm; harmonics at +5 dBm Input -13.3 dBc and VSWR of 1.4:1. Housing size measures 3.25" x 1.15" x 0.66" and has SMA female connectors. https://www.quanticpmi.com/product-details/pec-54-8g18g-14dbm-sff