... field upgrade* Optical AGC function,the output level changed within ±0.5dB, while input power changed at +1dBm~-6dBm Brief TFR7800X optical receiver ... to 100dBuV; single output level up to 104dBuV; when optical receiver power at -5dBm, C/N > 49dB.~220V power- ... high-performance transforms circuit become + 24V, + 5V straight to optical receiver internal devices. 1, EQ(adjustable EQ);2,ATT(adjustable ATT ...