The SPA-035-43-10-SMA from Fairview Microwave is a RF Amplifier with Frequency 3.1 to 3.5 GHz, Small Signal Gain 43 to 45 dB pk-pk, Gain Flatness 1.5 dB, Noise Figure 4 dB, Saturated Power 40 dBm. Tags: Power Amplifier. More details for SPA-035-43-10-SMA can be seen below.