1,Item:1550nm optical transmitter 2,Modle:VT-15XX 3,Frequency Range: 45~862MHz. 4,MOQ:50pcs 5,Timely delivery 1550nm External Modulation Transmitter is a kind of 1550nm external modulation optical wavelength signal (DFB) transmitting equipment for HFC broadband transmitting network.Using direct modulate,on the demand of low operation input RF signal level,ensures it for the front of the channel. ...