Bidirectional Transceivers

Double Network Bandwidth for Half the Cost

Approved Networks' bi-directional (BiDi) transceivers are designed to optimize optical networking by enabling simultaneous data transmission in both directions over a single strand of single-mode fiber (SMF). This advanced technology leverages wavelength division multiplexing (WDM) to double the bandwidth while significantly reducing fiber infrastructure costs.

Features and Benefits

• Double Network Capacity: Unlock the full potential of your existing infrastructure, doubling bandwidth through simultaneous data transmission and reception.
• Cost Savings: Reduce your infrastructure investment while maintaining high-performance, long-distance connectivity. Bi-directional transceivers enable additional capacity with no additional fiber installations.
• Scalable Solutions: Our portfolio supports data rates from 1G to 100G, enabling next-generation optical networking without the delay of deploying additional fiber.
• Broad Temperature Tolerance: Operates effectively in extremely high or ultra-low temperatures, ensuring reliability in diverse environments such as industrial and outdoor deployments.

Transmission Diagram

Specifications

• Data Rates: 1G, 10G, 25G, and 100G
• Fiber Type: Single-mode fiber (SMF)
• Wavelengths: Utilizes WDM technology for bidirectional communication
• Temperature Range: -40°C to 85°C (Suitable for all temperatures. C-TEMP: 0 to +70℃, E-Temp: -20℃ to +85℃, I-Temp: -40℃ to +85℃)
• Applications: Broadband, wireless front-haul/backhaul, metro networks, university, hospital, and other multi-building campus networks

In today’s digital-connected world, the demand for bandwidth is accelerating at an unprecedented rate, pushing network infrastructure to its limit. Organizations across industries need to deliver faster, more reliable, and scalable network services— without the added cost, complexity, or space demands of traditional infrastructure expansion.

Bidirectional (BiDi) single fiber optical transceivers represent a game-changing development in optical networking technology. By enabling simultaneous transmission and reception over a single strand of fiber, BiDi transceivers offer a simple yet powerful way to increase bandwidth capacity without the need for additional fiber deployment. This innovation not only conserves physical resources but also reduces capital and operational expenditures, making it an ideal solution for both new and existing network environments.

This paper explores the challenges posed by fiber scarcity amid growing demands for scale and expansion. It highlights the technical advantages of BiDi optics and outlines the practical benefits for stakeholders across relevant industry verticals. The paper also presents real-world use cases and offers guidance for deploying BiDi transceivers.

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