1) 20 dB RF Amplification,2) 12V DC External Power Supply,3) Also Operated with STB Revers Supply,4) 100 dBµV Max. Rated RF Output,5) +/- 0.75 dB RF Fltatness,6) MMIC Amplification Technology,7) 20 dB Adjustable Gain,8) Very small in Size,9) Very Low Power Consumption