The MM-LNA-180420-28-4 from Mountain Microwave Technology is a RF Amplifier with Frequency 18 to 42 GHz, Gain 28 dB, Gain Flatness ±2 dB, Noise Figure 4 dB, Output Power 13 dBm. Tags: Low Noise Amplifier. More details for MM-LNA-180420-28-4 can be seen below.