The UTO-561 from Teledyne Microwave Solutions is a RF Amplifier with Frequency 10 to 500 MHz, Small Signal Gain 10 to 13 dB pk-pk, Gain Flatness ±0.7 to ±1 dB, Noise Figure 5.5 to 9 dB, Output Power 25.5 to 27 dBm. Tags: Power Amplifier. More details for UTO-561 can be seen below.