Keep legacy networks connected with dependable 155M SFP optics.
Cost-effective, OEM-compatible 155M SFP transceivers for telecom, industrial and established network infrastructure, with Duplex and BIDI options available across a wide range of optical reaches.
Choose your 155M SFP configuration
Browse our Duplex and BIDI 155M SFP ranges to find the correct fibre configuration for your network.
155M Duplex SFP
Duplex SFP modules use separate transmit and receive fibre paths, making them suitable for conventional dual-fibre network connections.
155M BIDI SFP
BIDI SFP modules transmit and receive over a single fibre using paired wavelengths, helping maximise existing fibre capacity.
Reliable 155M SFP transceivers for long-term network performance.
Carritech Optics supplies dependable, standards-compliant 155M SFP transceivers for telecom, industrial and established network infrastructure. Our modules combine reliable compatibility, competitive pricing and responsive support across the UK and Europe.
Lifetime Warranty
Every Carritech Optics 155M SFP transceiver is covered by a lifetime warranty, providing long-term assurance and complete peace of mind.
Reliable Vendor Compatibility
Our 155M SFP transceivers are tested for interoperability with major telecom and networking equipment manufacturers.
Fast UK and EU Delivery
Stock held locally enables rapid shipping across the UK and Europe, helping minimise downtime and keep network projects moving.
Cost-effective Performance
Maintain and expand legacy or current networks with dependable optical performance at a significantly more competitive price.
Expert Guidance
Our experienced team can help identify the most suitable transceivers, coding and optical specifications for your network.
Responsive Local Support
UK and European support teams provide responsive assistance before, during and after purchase whenever your network requires it.
Why 155M SFP transceivers remain essential for reliable legacy and industrial networks.
While the telecom industry continues to evolve toward high-speed networks and advanced optical solutions, many operators, enterprises and industrial organisations still rely on 155M SFP transceivers for dependable connectivity. Far from being outdated, these modules continue to provide critical support in legacy infrastructures, industrial environments and cost-sensitive applications where stability, compatibility and longevity are more important than raw bandwidth.
Extended Equipment Lifespan
155M SFPs help keep older network infrastructure operational, allowing you to maximise the return on investment from legacy systems without forcing premature upgrades.
Seamless Integration With Existing Equipment
They are designed to maintain compatibility with established telecom equipment, ensuring reliable interoperability across legacy platforms that are still widely in use.
Cost-Effective Network Maintenance
By using 155M SFPs, organisations can support and expand existing networks at a lower cost than migrating to newer technologies, making them a practical choice for long-term operations.
Learn more through Carritech Optics Knowledge Centre
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