The KB0830M47B from KeyLink Microwave is a RF Amplifier with Frequency 800 MHz to 3 GHz, Power Gain 47 dB, Gain Flatness 1.5 dB (Power Gain Flatness), Noise Figure 9 to 11 dB, Output Power 46.99 dBm. Tags: Power Amplifier. More details for KB0830M47B can be seen below.