The WOS4000 optical communication platform is the brand-new 3rd generation product launched by Prevail based on professional experience in development, manufacturing, and sales of CATV transmission equipment over 20 years. It provides powerful function and flexible configuration in HFC optical data transmission solutions. The standard 4RU metal rack contains sixteen compact slots and each can be installed any functional module able to perform hot plug. Built-in dual-power hot backup, efficient fan cooling and appropriate redundant backup of functional modules contribute to carrier-class reliability. The CMM management unit provides a friendly HMI with LCD displays the operating status of each module in real time and convenient parameter setting. The network management software conforming to the SNMP protocol is offered to achieve remote management and automatic monitoring.

Optical fiber amplifier (EDFA) is an important optical transmission device in 1550nm optical fiber communication system. This module uses imported high-performance erbium-doped fiber, low-noise pump laser and well-designed embedded automatic monitoring system to ensure the excellent index. Each EDFA module contains optical power detection components on input and output ports to automatically adjust the laser pump and keep the output power stable. The internal control circuit accurately maintains the output power and temperature of the laser; the parameters can be set and displayed through CMM management unit.

The downstream 1310 optical transmitter is mainly used for optical fiber transmission of downstream analog television signals, digital television signals and CMTS data signals in HFC network. Two input signals with high-isolation can be used to meet various inserted signals. It has high CNR and low distortion.

In accordance with the planning of the Next Generation Broadcasting Network (NGB) and various PON standards, 1550nm is defined as the transmission wavelength for HFC downstream. The high cost of 1550nm external modulated transmitter and dispersion effects of 1550nm directly modulated transmitter make network transformation difficult. Thus we create the 1550nm directly modulated optical transmitter with electronically controlled dispersion compensation. It supports up to 1.2GHz band and DOCSIS 3.1 system. Two RF inputs, high isolation, QAM and IPQAM available. Support a transmission distance of 50KM with electronically controlled dispersion compensation. Built-in CWDM is optional for multi-wavelength networking.

The forward one-way optical receiver module provides an optical input port and a RF output port. It is mainly used for optical fiber transmission of downstream analog TV signals, digital television signals and CMTS data signals in HFC networks. The optical receiving part adopts a high-response PIN tube or optoelectronic integrated module with up to 1 GHz band. The AGC or MGC can be switched and low noise amplifying components are selected to offer high CNR and low distortion.

The return path optical receiver module is designed with a high-density 4-way return path receiving circuit to provide 4 independent outputs or mixed output. High output type or low output type is optional. Optical input power is as low as -21dBm. It has output level detection on the front panel and RF output independent shutdown for each channel. AGC or MGC level control mode is available. 204MHZ bandwidth is fully compatible with Docsis3.1 standard and can be used to form HFC bidirectional network, especially for fiber transmission of CMTS return path signals.

This product is designed for fiber routing and backup switching; automatic and manual switching is optional. When automatic switching is selected, after the switching condition is set, it will automatically switch to the spare path if the signal in the main path fails, thereby improving the transmission security of the network. It supports a wide range of the wavelength from 1200nm to1600nm.

This product can be used as the amplification of gain or RF signal after the combination of multi-RF signals combining in the front-end system. It has 0-20dB adjustable equalization and 0-20dB adjustable attenuation.

This product is designed for backup switching of HFC RF signal, automatic and manual switching is optional. When automatic switching is selected, after the switching condition is set, it will automatically switch to the spare path if the RF signal in the main path fails, thereby improving the transmission security of the network. The two-stage RF switching maintains high isolation of the two input signals in the full frequency band.

The upstream optical transmitter module is mainly applied to the relay transmission of the upstream optical link in the HFC network. The main features are as following: frequency range is 5 ~ 300MHZ; meet DOCSIS 3.1 standards; high performance DFB laser; ITU wavelength is optional; WDM application is available.

WT1550-EM20 series optical transmitter adopt top-international brand external modulated laser and external modulator, SBS control circuit. Overall indexes reach to well-known brand types level, and price is inexpensive.We have sold thousands of products over the years.The products save plenty of costs for operator's network construction and get many users' good reputation.

WT-1550-DM intelligent directly modulated optical transmitters adopt advanced Electronic Dispersion Compensation technology, accurately compensate according to the actual transmission distance by 1km stepping. The maximum compensation distance is up to 50km and high isolation between two RF inputs.

The WT-1310 downstream optical transmitter supports 1.2 GHz band and the DOCSIS 3.1 standard. The output optical power is from +6 dBm to +15 dBm available. It can be used for optical fiber transmission of downstream analog TV signals, digital television signals and CMTS data signals in HFC network. Two-way input signals with high-isolation for a variety of broadcast and insertion applications. It has high CNR and low distortion.

WT-2G6 satellite optical transmitter is mainly used in the cable-shared transmission system of CATV signal and SAT-IF signa,two types: 1 way satellite optical transmitter ,6 way satellite optical transmitter.

It is mainly used in optical networks where FTTH and triple play services are installed in multi-residential units. Compact, lightweight, easy to debug and install, and it is a good choice for building a secondary optical fiber network for CATV.

WE-1550-HD series 1550nm EDFA are mainly used in CATV 1550nm optical fiber transmission system. We also developed the outdoor type which adopts cast aluminum waterproof shell to solve the engineering problem that the remote areas cannot build the machine room. The outdoor type can adapt to -40℃~ +50℃ field work environment.

WE-1550-YZ(B)series 1550nm amplifiers adopt advanced Er-Yb co-doped double-clad fiber technology, the maximum total output power is up to +38dBm, and the maximum output ports are up to 64. It can be equipped with optical switch, CWDM, RF detection, which applies to CATV RF signal and IP signal transmission of FTTH network.

WE-1550-HT series optical fiber amplifiers adopt well-known high-performance Er-Yb co-doped double-clad fiber technology and low noise pumping laser, which have reliable circuit design and high-efficiency dissipation design. The maximum total output power is up to +38dBm and support 64 ways output at most. Operating temperature range is -30 to +65℃ , which is applied to harsh outdoor environment. The product can be equipped with optical switch, CWDM,RF detection (optional).

WE-1550-YZ-YW series are outdoor Er-Yb codoped optical fiber amplifiers, with high stability and constant output, are mainly used for FTTB or FTTH optical fiber transmission network. The core devices adopt high reliable Pump lasers and are equipped with APC and ATC servo circuits controlled by high precise MCU for real-time monitoring of bias current, TEC cooler bias current and laser temperature to ensure the stable output optical power and the reliable system.

WR-1082G series optical receivers are products specially developed by our company for FTTH fiber-to-the-home networking. With a small housing, reasonable compact circuit deploy, low power consumption, high output, excellent performance indicators, and a variety of models for selection, it can meet different needs of users.

WR-1082 series optical receivers are products specially developed by our company for FTTH fiber-to-the-home networking. With a small housing, reasonable compact circuit deploy, low power consumption, high output, excellent performance indicators, and a variety of models for selection, it can meet different needs of users.

Plastic housing, indoor optical receiver with WDM, main functions are: with WDM, optical AGC function, with optical power indicator, metal shielding frame for internal RF circuit, power adapter, compact structure, etc., 10GPON wavelength WDM is optional.

WR-1075-MB Optical receiver is a featured product which is specially designed for FTTH——Fiber to the Home network structure. With small housing, compact and reasonable internal circuit structure and excellent performance indicators. It is the first choice for residential area and home fiber optic network. It is with features to wide range of optical receiving, high output level and low power consumption.

PR1201 passive optical receiver is for low-cost FTTH network. It has photodiodes with high responsivity, high reliability, no power supply and maintenance-free. The model with optical filter and WDM can build all-optical networks based on WDM technology. 1550nm is applied for CATV RF transmission and 1310/1490nm is for G/EPON.

WR1001J optical receiver is the latest 1GHz FTTB optical receiver. With wide range receiving optical power, high output level and low power consumption. It is the ideal equipment to build the high-performance NGB network. Built-in optical signal filter(optional), RFTV working wavelength is 1550nm. Built-in CWDM, with PON port loop out(Optional).

WR1001JS optical receiver is the latest 1GHz FTTB dual-way switch optical receiver with wide range receiving optical power, high output level and low power consumption. It is the ideal equipment to build the high-performance NGB network.

Aluminum tube shell 1GHz FTTB optical receiver, with wide range receiving optical power, high output level and low power consumption. It is an ideal equipment to build the high-performance NGB network. Optional optical filter, WDM with PON loop out.

Compact optical node, designed for deep fiber networks. Adopt WDM technology, single-fiber dual-wave, with PON loop-out, downstream receiving 1550nm, upstream optical transmission multi-wavelength optional. Using high-performance GaAs amplification module, 1.2GHZ bandwidth, optical AGC, output level 90dBuV. The upstream uses RFOG technology, which can effectively avoid the reverse convergence noise of the CMTS system. Burst and continuous modes are optional. RFOG meets the SCTE-174-2010 standard requirements.

Compact optical node, designed for deep fiber networks. Adopt WDM technology, single-fiber dual-wave, downstream receiving 1550nm, upstream optical transmission multi-wavelength optional. Using high-performance GaAs amplification module, 1.2GHZ bandwidth, optical AGC, output level up to 108dBuV. The upstream uses RFOG technology, which can effectively avoid the reverse convergence noise of the CMTS system. Burst and continuous modes are optional. RFOG meets the SCTE-174-2010 standard requirements. The built-in display and buttons make it easy to query and set parameters.

WR1201JKCH-TD RFoG Node is mainly used for RFoG network. Its return path laser can work under burst mode. In upstream channel, it can adjust 4 output optical wavelengths (0.5nm stepping). 4 different basic CWDM wavelengths as a group, the same basic CWDM wavelength is applied to four equipment, set the output wavelength of these equipment with 0.5 stepping accordingly (from 1~4 CH), which can effectively realize OBI free.

WR1002JE outdoor optical receiver is our latest 1GHz optical receiver. With wide range receiving optical power, high output level, low power consumption and compact structure, easy to install. It is the ideal equipment to build the high-performance NGB network.

WR1002ME outdoor optical receiver is a new 1GHz optical receiver. With wide receiving optical power range, high output level, low power consumption and compact structure. It is very easy to install. It is the ideal equipment to build the high-performance NGB network.

WR-1002-MH series are our universal CATV network optical receiver with network management transponder. The pre-amp adopts all-GaAs MMIC amplify and the post-amp adopts GaAs power double amplify module (This series has two models, M model RF attenuation and equilibrium adopt the continuously adjustable design, MF model with different fixed attenuation and equilibrium inserters for user option. Users can also choose more targeted high quality modules according to actual requirements). Optimized circuit design, coupled with our years professional RF design experience, the equipment achieve high performance index. It is an ideal model for CATV network.

WR-1002-JSH outdoor optical receiver is our latest 1GHz dual-way switch optical receiver. With wide range receiving optical power, high output level, low power consumption. It is the ideal equipment to build the high-performance NGB network.

HJ series outdoor optical node are two-way optical joint equipment that based on several years research experience of CATV HFC fiber transmitting equipment, specifically developed for the HFC structure two-way metropolitan area broadband network. When designed the product, we have fully considered the FTTC (Fiber to the Customer) network topology, the engineering technical problems of CATV bidirectional return path noise, and the high reliability network security transmission requirement of modern CATV business; optimize the internal circuit structure, and built a perfect states monitoring circuit. Reserved the network management interface which compatible with the SNMP standard, achieve remote network management monitor by the network management transponder. It is the first choice equipment to construct the high-quality bidirectional HFC metropolitan area broadband network.

WR-1004N-HJS outdoor optical node can be configured 2 forward path optical receiver modules, 2 return path optical transmitter modules, 1 Ethernet transponder module and 2 switching power supply modules at most. Adopts advanced optical AGC technology, the output level and output slope both adopt the electric control circuit. Add LED segment display function, the forward path output signal ≥116dBμV.

WR-1004N-SJL outdoor optical node can be configured 2 forward path optical receiver modules, 2 return path optical transmitter modules, 1 Ethernet transponder module and 2 switching power supply modules at most. Adopts advanced optical AGC technology, the output level and output slope both adopt the electric control circuit. Add LED nixie tube display function, can output 4-way forward path signal (≥108dBμV) at most.

WR-1004N-MLD-GD outdoor optical node can be configured 2 forward path optical receiver modules, 2 return path optical transmitter modules, 1 Ethernet transponder module and 2 switching power supply modules at most. Adopts advanced optical AGC technology, the adjustment of output level and output slope both adopt fixed inserter. Add LED nixie tube display function, can output 4-way forward path signal (≥108dBμV) at most.

WR-1004-DJL is our new high-class 4-way output CATV network optical receiver. The pre-amplifier adopts all-GaAs MMIC, post-amplifier adopts GaAs module. Optimized circuit design coordinate with our 10 years design experience, the device achieve high performance index. Microprocessor control, digital display the parameters that make the engineering debug very convenience. It is the main products to build CATV network. It also has an economic type：WR-1004-DML

WR1004JL is our latest high-grade four-output CATV network optical receiver. The pre-amplifier adopts full-GaAs MMIC, post-amplifier adopts GaAs module. Optimized circuit design coupled with rich professional design experience, make the equipment achieve good performance indexes. Microprocessor control, digital display the parameters, the engineering debug is especially easy. It is the main equipment to build the CATV network.

WR1002J outdoor optical receiver is our latest 1GHz optical receiver. With wide range receiving optical power, high output level, low power consumption and compact structure, easy to install. It is the ideal equipment to build the high-performance NGB network.

WR-1002-ML-II is our latest universal CATV network optical receiver. The pre-amp adopts full GaAs MMIC amplifier, while the post-amp adopts GaAs power doubly amplifier module. Fixed ATT and EQ inserter is selected by the users. And according to actual needs, users can also choose a more targeted high quality module combination. Optimized circuit design coupled with our 10 years professional design experience, make the equipment achieve good performance indexes. It is an ideal model to build the CATV network.

WR-1002-JL-ED is a new modular two-output CATV network optical receiver. It adopts modular design, use more flexible. Microprocessor control, digital display the parameters, the engineering debug is especially easy. It is the main equipment to build the CATV network.

WR-1004-RJL is our new high-class 4-way output CATV network optical receiver. The pre-amplifier adopts all-GaAs MMIC, post-amplifier adopts GaAs module. Optimized circuit design coordinate with our 10 years design experience, the device achieve high performance index. Microprocessor control, digital display the parameters that make the engineering debug very convenience. It is the main product to build CATV network. The other model is two-way output optical receiver: WR-1002-RJL.

WR1002JDS-II optical receiver is the new 1GHz dual switching optical receiver. With the characteristics of wide power receiving range, high output level and low power consumption, it is compact and easy to install, which is ideal to construct high-performance NGB network.

WR-2004RJ type is the upgrade product of WR-2004R type. Can automatically set or manually adjust the input signal on/off function (RFOG), greatly curb the overall network noise. Add optical AGC function, keep the output constant when the signal changed in a wide range; and add microcomputer condition monitoring circuit and front panel display screen, support standard Ethernet network management transponder.

WS1000RF series RF switch is suitable for backup switch in CATV headend room. The maximum operating bandwidth is up to 1GHz. Adopt high performance and reliability switching devices and built-in embedded automatic monitoring system, it can monitor remotely by network management system.

WS-1524J series optical switches are mainly used for backup optical signals switching in front end or secondary front end machine room.