The PCM3R3SIO from Empower RF is a RF Amplifier with Frequency 869 to 894 MHz, Small Signal Gain 49 to 50 dB pk-pk, Gain Flatness ±0.75 dB, Saturated Power 47.78 dBm, Saturated Power 60 W. Tags: Power Amplifier. More details for PCM3R3SIO can be seen below.