Monthly Archives: December 2025

Differences and Connections between dBm, mW, and dB

In the field of optical communications, dBm, mW, and dB are three commonly used units. Understanding the relationship between them can help engineers make more precise judgments when designing and optimizing optical communication systems. This article briefly introduces the definitions and interrelationships of these three. Relationship between dBm and mW dBm (decibel-milliwatt) and mW (milliwatt) […]

Industry knowledge

How to Choose a 40G High-Speed Direct Attach Cable (DAC)?

Here is a purchasing guide for 40G Passive High-Speed Direct Attach Copper Cables (DAC).I It will guide you step-by-step through confirming four core elements: protocol, transmission distance, cable connector type, and device compatibility. Finally, our product models are listed for your reference to help you accurately identify the required cable. Step 1: Select Protocol Type. […]

Buying Guide, DAC
WhatsApp TARLUZ