The VNA-25+ from Mini Circuits is a RF Amplifier with Frequency 500 MHz to 2.5 GHz, Gain 18.6 dB, Noise Figure 5.5 dB, Output Power 36.5 to 18.2 dBm, Output Power 4.47 to 0.07 W. Tags: Surface Mount, Power Amplifier, Buffer Amplifier. More details for VNA-25+ can be seen below.