The R18M66MSA from RF-Lambda is a RF Amplifier with Frequency 180 to 660 MHz, Gain 23 to 27 dB, Gain Flatness ±0.6 to 1.5 dB, Noise Figure 0.6 to 1 dB, Output Power 21 to 25 dBm. Tags: Low Noise Amplifier. More details for R18M66MSA can be seen below.