SHENZHEN WOLCK NETWORK PRODUCT CO., LTD ,.  We specialized in developing, producing and selling CATV equipments, as well as designing and construction CATV systems, satellite TV and network projects. Our products from CATV network to forepart, from HFC transmitting network to quipments, main products are: (1) Forepart Equipment: Modulator of Adjacent Channel, Changeable Channel Modulator. (2)Optical Transmitting Equipment: 1310/1550nm Optical Transmitter、1550nm EDFA  amplifier,1310、1550nm bi-directional 1000MHz Optical Receiver、Optical Workstation.  (3) Cable Transmitting Equipment: 1000MHz Bi-directional Trunk Amplifier、Bridge Amplifier、Distribution Amplifier    (4) Passive Parts: 5-1000MHz High Isolation Coupler Splitter、Weatherproof Current pass Coupler Splitter、High Isolation Digital Client Terminal Box、Filter、Equalizer、Cable Imitator and so on.