The ZVA-213X-S+ from Mini Circuits is a RF Amplifier with Frequency 800 MHz to 21 GHz, Gain 20 to 26 dB, Gain Flatness ±2 dB, Noise Figure 3 to 5.5 dB, Output Power 19.2 to 24 dBm. Tags: Power Amplifier. More details for ZVA-213X-S+ can be seen below.