The DVGA3-122+ from Mini Circuits is a RF Amplifier with Frequency 900 to 1200 MHz, Gain 16.8 to 22.4 dB, Gain Flatness ±0.85 dB, Noise Figure 0.5 dB, P1dB 15.4 to 15.7 dBm. Tags: Surface Mount, Variable Gain Amplifier. More details for DVGA3-122+ can be seen below.