The CPA-2G-12G-4 from RF Bay is a RF Amplifier with Frequency 2000 to 12000 MHz, Gain 40 to 43 dB (Small Signal Gain), Small Signal Gain 40 to 43 dB, Gain Flatness ±2.5 to 4 dB, Noise Figure 4 to 5 dB. Tags: Power Amplifier. More details for CPA-2G-12G-4 can be seen below.