Deltavox Deltavox

SFP Cage Manufacturers & Exporters

Leading High-Speed Interconnect Solutions for Global Telecommunications and Data Center Infrastructure. Precision Engineering Meets 12 Years of Industry Excellence.

12+ Years

Industry Expertise

$18M

Annual Export Revenue

18,500㎡

Manufacturing Base

126+

R&D Engineers

The Vital Role of SFP Cages in Modern Telecommunications

In the rapidly evolving landscape of 5G deployment and hyperscale data centers, Small Form-factor Pluggable (SFP) cages have transitioned from simple mechanical housings to critical components of signal integrity and thermal management. As a premier SFP cage manufacturer and exporter, Deltavox Optics Technologies Co., Ltd. understands that the cage is the first line of defense against electromagnetic interference (EMI) and the primary conduit for heat dissipation in high-density port configurations.

Our engineering philosophy focuses on "Precision Connectivity." Whether it is a single-port SFP+ cage or a stacked 2xN QSFP configuration, the mechanical tolerances must be maintained within microns to ensure perfect alignment with internal PCB connectors and external optical transceivers.

Advanced SFP Cage Manufacturing

Global Enterprise Procurement & Industry Solutions

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Hyperscale Data Centers

Procurement teams today demand "Zero-Downtime" reliability. We provide stacked SFP cages with enhanced airflow designs that support 100G and 400G environments, ensuring that heat-intensive transceivers remain within operational temperature ranges.

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Telecom Edge Computing

For outdoor 5G base stations, we offer ruggedized, nickel-plated copper alloy cages that resist corrosion and provide superior EMI shielding in high-interference environments, meeting the strictest GR-1089-CORE requirements.

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Industrial IoT & Automation

In industrial settings, mechanical shock and vibration are the enemies of connectivity. Our press-fit (Through-Hole) SFP cages provide the structural integrity required for rail transport and smart factory networking.

Technology Roadmap & Future Outlook

The interconnect industry is currently witnessing a massive shift towards 112G and 224G SerDes technologies. As leading SFP cage exporters, Deltavox is at the forefront of this transition, developing the next generation of SFP-DD (Double Density) and OSFP housing solutions.

Key Technical Innovations:

  • Integrated Light Pipes: Enhancing port status visibility without compromising EMI shielding.
  • Advanced Thermal Fin Design: Heat sinks integrated directly onto the cage to reduce transceiver junction temperatures by up to 15°C.
  • EMI Gasket Evolution: Moving from fabric-over-foam to advanced metal spring fingers for better high-frequency suppression.
  • Press-Fit Technology: Eliminating solder bridge risks in high-density multi-layer PCBs.

Deltavox Optics: Authoritative Manufacturing

Established in 2016, Deltavox Optics Technologies Co., Ltd. has grown into a global powerhouse in the optical communication sector. With an 18,500㎡ facility and a dedicated team of 850 strategic partners, we deliver more than just components; we deliver reliability.

Our quality control process is exhaustive. We employ 56 specialized inspectors who oversee automated optical testing, temperature cycling, and transmission performance verification. This commitment to excellence has secured our position as a trusted supplier for telecom operators across North America, Europe, and Southeast Asia.

Quality Control Inspection

Localised Support & Global Compliance

Exporting to over 50 countries requires a deep understanding of international standards. Deltavox products are fully compliant with RoHS, REACH, and CE directives, ensuring seamless integration into any global supply chain.

Compatibility Guarantee

Our cages are designed to be 100% compatible with major transceiver brands and TE, Amphenol, and Molex footprints, facilitating easy drop-in replacement and OEM integration.

Customized Engineering

From custom wavelengths to unique cage heights for specialized chassis, our R&D team of 126 engineers can turn a specification into a prototype within weeks.

Supply Chain Resilience

With 7 years of export experience and an annual revenue of $18M, we have the financial stability and logistics network to handle high-volume, long-term contracts.

Frequently Asked Questions

What materials are used in SFP cage manufacturing?

Most high-quality SFP cages are manufactured from copper alloys (such as Phosphor Bronze or Nickel Silver) for superior conductivity and EMI shielding. We use specialized plating techniques to prevent oxidation over long-term deployment.

How does an SFP cage handle EMI?

SFP cages utilize EMI springs or gaskets that make contact with the transceiver module and the chassis bezel. This creates a Faraday cage effect, containing high-frequency signals and preventing interference with adjacent ports.

What is the difference between Press-Fit and Through-Hole mounting?

Press-fit (or Solderless) cages use elastic pins that are forced into PCB holes, creating a gas-tight mechanical and electrical connection without heat. Traditional Through-Hole requires wave soldering. Press-fit is preferred for high-density, multi-layer boards to avoid thermal stress.

Can SFP cages support 10G or 25G speeds?

The cage itself is a mechanical housing, but its design must account for the signal frequencies. SFP+ cages (10G) and SFP28 cages (25G) have optimized grounding points to maintain signal integrity at higher frequencies.

Our Advanced Manufacturing Facility

All SFP Cage Products