WS-ErA50xx series is a high power multi-ports optical amplifier with gain spectrum band within 1540~1563nm, it is mainly designed for the application of CATV or 1~8 continuous banding channel(ITU wavelength), it offers a flexible and low-cost solution for CATV large area coverage of metropolis and medium-sized cities.
WS-ErA50xx series products are widely used in AM CATV, Digital CATV, DBS&MMDS, FTTX, MMDS, FTTX pon.

1.Adopts the world top-class pump laser and active optic fiber
2.Perfect APC,ACC,ATC control, excellent design in ventilation and heat dissipation to ensure long life and work stability of pump laser
3.1U 19”standard rack, max output port could reach 32 outputs. Optional 500~5000mW(27~37dBm)
4.With low noise figure, entire unit adopts twin-stage amplification, Pre-amplifier adopts low noise figure EDFA, output cascade adopts High power EYDFA, when input optical power pin=0dBm,noise figure Is Type ≤4.5dB, Max ≤5.0Db
5.LCD at the front of panel offers index of equipment and warning alarm
6.The built-in light echo detection, avoid damage jump stitches
7.The perfect RS232, SNMP
8.Optional dual power supply, 1 + 1 backup

Raw Material---SMT Patch---Flow Welding---Assembling---Package---Finished Product---Inspecting---Debugging

Shandong Wanshuo Optoelectronic Equipment Co., Ltd has been manufacturing CATV Optical equipment since 2008. We are located in Zibo City, Shandong Province, with convenient transportation access. Our company has become one of the biggest enterprises in the field of CATV equipment in China. We have been mainly engaged in designing, researching, manufacturing and marketing CATV HFC and FTTX network equipment, including EDFA, 1550nm/1310nm optical transmitters, optical receivers, FTTH optical node, CATV amplifiers, hybrid modules, power supplies and passive devices.
We have over 70 employees, an annual sales figure that exceeds USD3,300,000 and are currently exporting 60% of our production worldwide.
After years of development, we have strong overall operational capabilities, rich experiences in international trade, and have made good relationship with many countries like USA, India, Vietnam, Spain, Romania, Ukraine and Russia, Peru, Colombia, African countries, etc.
Shandong Wanshuo Optoelectronic Equipment Co., Ltd always adheres to the "excellence, quality first" principle of the quality, taking the leading in passing I S O 9 0 0 1, CE certifications. 

1. Warranty 1 years: Direction modulation optical transmitter、High power optical fiber amplifier、 Optical receiver、CATV trunk amplifier、FTTH optical receiver、EDFA、EYDFA.
2. Warranty 3 years: External modulation optical transmitter.
3. Bulk orders can deliver a certain number of wearing parts, such as power supplies, modules, etc.
4. The damaged products during warranty period, we can provide parts to replace or repair for free. Outside the warranty period, lifetime warranty, charge a maintenance costs, round-trip freight shall be borne by the buyer. Bulk orders if had provided a certain percentage of free maintenance parts, no warranty.
5. If the products appear batch problems, can be returned.

1. Are you a factory or trading company?
As a professional manufacturer, we supply full CATV&HFC network products more than 10 years in China.
2. How about the payment terms?
We accept bank transfer, western union, money gram, paypal.
3. How to ship the package?
DHL, UPS, EMS, TNT, Fedex, by air, by sea.
4. What kind of warranty do you offer?
Our excellent after-sale service team will provide to you with broader service plat form. We offer at lease one year warranty for our products without man-made damage.

5. What is your MOQ?
No MOQ for any sample test.
6. What model of your high power EDFA?
1U: 4outputs, each port output power 16dbm~24dbm;
8 outputs, each port output power 16dbm~24dbm;
16 outputs, each port output power 16dbm~23dbm;
2U: 16 outputs, each port output power 16dbm~23dbm;
32 outputs, each port output power 16dbm~23dbm;
64 outputs, each port output power 16dbm~19dbm.
7. What is the maximum output port?
256 outputs
8. What is the maximum output power?
40dbm