CATV Equipment
Our main products cover digital head end equipments including 4in1 Encoder, Multiplexer, Scrambler, QAM/QPSK Modulator, Digital STB (DVB-C/S/T), and Conditional Access System (CAS), Subscriber Management System (SMS), digital MMDS transmitter etc..

  DVB-C is HYBRID Receiver, designed especially for the European cable TV Market, which is capable of receiving MPEG-2 and also MPEG-4/ H.264 AVC codec, and it is the most effective price/performance set top box in the market for receiving SD and HD.

  DVB-C is HYBRID Receiver, designed especially for the European cable TV Market, which is capable of receiving MPEG-2 and also MPEG-4/ H.264 AVC codec, and it is the most effective price/performance set top box in the market for receiving SD and HD.

  1310nm optical transmitter is the important part of CATV HFC network. Its main function is fiber remote transmitting of TV image signal, digital TV signal, telephone audio signal and data or compressed data signal. This transmitter own excellent capability, the Light source is imported high performance DFB laser, and radio frequency driving part is adopted RF power numeral self-controlling technology and inset excellent micro-computer self-monitoring system.   Features: ◆ High performance DFB laser with international famous brand ◆ Adopting RF power numeral self-controlling technology on radio frequency driving part to make CSO,CTB and C/N on high-top and keep output level unchanged. ◆ Adopting advanced multi-point RF predistortion technology to improve parameter of CTB , CSO and C/N ◆ inset excellent micro-computer self-monitoring system ◆ VFD blue screen display in front board showing precise information of all equipment ◆ 19〞1U standard rack,RS232 and RS485 interface               Specification:   Item Parameter Output optical power 4    6    8    10    12    14    16    18    20   22 Optical line loss (dB) 7    9    10   11    11.8   12.5  13    13.6  14  14.4 Optical wavelength(Nm) 1310±20 Laser type DFB laser Optical modulating type Direct intensity modulating Optical connecting type FC/APC or SC/APC Frequency 47-750/862MHz RF input level 72-88dBuV Flatness in band ±0.75dB RF input impedance 75Ω Input return loss ≧16(47-550) MHz; ≧14(550-750/862) MHzdB   ≧60dB   ≧65dB Bearing noise rate ≧51dB AGC controlling range ±8dB MGC controlling range 0-16V Working voltage AC110V-250V(50Hz)V Total power loss 30℃ Working temperature 0-45℃ Reserving temperature -20-65℃ Opposite humidity Maximum 95%,condensation 0% Size 483(L)*380(W)*44(mm)