Leading manufacturer of SFP Optical Transceivers

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ATOP provides the most cost effective optical solution for global telecom runners and DCN operators. We are fighting to improve the way how networks connect via the advanced technology and vertical resources integrations.

As world’s leading manufacturer of SFP networking solutions, ATOP is proficient in R&D, production and sales of SFP and sub-systems.

Our professional and qualified personnel, our SFP research and production capabilities and capacity are our core competence. 

ATOP SFP products family, 400G QSFP-DD, 100G QSFP28 , 25G SFP28 optical transceivers along with the full range DAC and AOC solutions offers a significate personality of low power and high level compatibility for DCN,Switch,Router and data connections.

ATOP provide 155M~100G SFP optical solutions for transmission network application. Our SFPs meet the critical compliance test and all meet industrial level operation environment. They also have an outstanding EMI prevent design to fulfill the higher density trend.

ATOP SFP CPRI transceivers covers 4G and 5G application and other wireless applications. We fully understand the debate and different network structures globally and provide a full solution among front haul, mid haul and back haul transceiver products. All SFP products meet industrial level operation environment.

Want To See What We Can Do?

Meet our experts

Developing the right SFP optical solutions, manufacturing and not at least selling them demands complex processes. With a lot of people and interests and demands involved.

At ATOP we are good at coping with complexity. Good at understanding the different internal agendas, good at talking to people and making sure that all interested parties succeed. We have a special approach to clients and partnering. A different attitude so to speak. We constantly strive to make life easier for our clients by simplifying things. Creating a simpler product structure, making us easier to perceive and do business with. It’s all based of course on products produced by some of the highest standards on the market. 

We’d love to prove that you – face to face. Give us a call, and we will arrange a meeting.

ATOP  – SFP Experts.

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