Optical Transceiver Module
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Topstar is a professional and comprehensive optical modules manufacturer combing technical development,production,sales and after-sales together to offer clients best products and service.Our products are of high and stable quality passing CE,FCC certification ,sold to more than 170 countries all over the world and we offer 3 years warranty.If you have doubts on quality,we would love to offer you samples for checking.

1. Top-trans SFP passed quality system verifications: CE, RoHS, FCC.


2. Fully testing in Error Detector/ Industrial Oven/ Agilent Oscilloscope/ Digitizer/ WaveRunner etc specialist testing equipment before shipment.

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