Quantic PMI Model PEC-30-0R5G50G-22-12-24FF is an Ultra-Broadband Low Noise Amplifier that operates over the 0.5 to 50 GHz, provides a typical gain of 30 dB while maintaining a ±2.5 dB flatness with a noise figure of 9 dB maximum. This model offers a small 1.37" x 1.00" x 0.60" package with 2.4mm female connectors.  https://www.quanticpmi.com/product-details/pec-30-0r5g50g-22-12-24ff