Features: 1) Excellently linear DFB laser 2) Automatic power control and automatic gain control, ensuring optical laser output optical power stable and laser\'\'s long working life 3) Front panel LCD status indicators and RS-232 interface accommodates local or remote status monitoring function 4) Unique thermal design provides superior heat dissipation, increasing the reliability of the transmitter 5) Unique pre-distortion technology 6) Superior switching power supply, broad range working voltage 7) 72 (+3/-2) dBuV RF input range accommodates a variety of user applications