WS-20EAxx outdoor optical fiber amplifier is suitable for some remote areas cannot build indoor room, mainly used in television image signals, digital TV, telephone voice signal and the signal of the data (or compressed data) optical fiber transmission over a long distance.
WS-20EAxx series 1550 nm of erbium doped fiber amplifier performance indicators meet the requirement of national standard, and technology design pays attention to the product cost, is the first choice of the construction of medium and small 1550nm CATV optical fiber transmission network equipment.

2. Adopt top international low-noise JDSU pump laser, low distortion, wide bandwidth,with high output optical power
3. Adopt high performance exported Kangning Erbium doped fiber amplifier, energy conversion efficiently
4. Internal circuit using advanced SMT technology with high reliability
5. Optical input power range:-5dBm~+10dBm, optical output power is 13~23dBm
6. Reliable optical power output stabilizing circuit APC and laser thermoelectric cooler temperature control circuit ATC
7. Built-in microcomputer automatic monitoring circuit, monitoring the output power and working state of pump laser. the front panel 65x17mm LCD display can indicate accurately work parameter of device, ensure the machine superior performance
8. International SNMP protocol can be realized.

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

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 other type optical transmitter do you have?
A. 1310nm direction/internal optical transmitter: 2mw-30mw
B. 1550nm direction/internal optical transmitter: 3dbm-10dbm
C. 1550nm external optical transmitter: Max output power is 2*9dbm, 150km.
7. What is the max output power?
23dbm