The KBTR0204M47A from KeyLink Microwave is a RF Amplifier with Frequency 225 to 400 MHz, Gain 22 to 49 dB, Noise Figure 2 dB, Output Power 10 to 47 dBm, Output Power 0.01 to 50.12 W. Tags: Power Amplifier. More details for KBTR0204M47A can be seen below.