... 1550nm Externally Modulated CATV Optical TransmitterProduct descriptionHT8510 series, a kind of 1550nm Externally Modulated catv optical transmitter, is ... 65dB, CNR ≥ 52dB. The whole unit is equipped with perfect RS232 communication interface, SNMP network management,1+1 back ... chirp, low dispersion distortion, high extinction ratio, with excellent characteristic within 40~862MHz in-band.Narrow ...