The SPA-825 from RF Bay is a RF Amplifier with Frequency 800 to 850 MHz, Gain 48 to 50 dB (Small Signal Gain), Small Signal Gain 48 to 50 dB, Gain Flatness ±2 to 2.7 dB, Noise Figure 8 to 9 dB. Tags: Power Amplifier. More details for SPA-825 can be seen below.