LC/UPC 3dB Single Mode Fiber Optic Attenuator - Detailed Description

LC/UPC 3dB Single Mode Fiber Optic Attenuator (Male to Female)

The LC/UPC 3dB Fiber Optic Attenuator is a high-precision passive optical device used to reduce signal power levels in fiber optic communication systems. It prevents receiver saturation and protects sensitive networking equipment from excessive optical input.

This in-line male-to-female attenuator allows direct connection between LC/UPC connectors without requiring additional adapters, ensuring easy installation and reliable performance.

Key Features:

• Fixed attenuation value: 3dB

• Connector type: LC/UPC

• Interface: Male to Female (Plug & Play)

• Designed for Single Mode (SM) fiber

• Low insertion loss

• High return loss

• Precision ceramic ferrule

• Compact and durable construction

Why Use a 3dB Fiber Attenuator?

A 3dB attenuator reduces optical signal power by approximately 50%, which helps:

• Prevent receiver overload

• Balance optical signal levels

• Improve network stability

• Extend equipment lifespan

Applications

• FTTH (Fiber to the Home)

• ISP network deployment

• OLT & ONU connections

• Data centers

• Telecom backbone networks

• Fiber patch panel systems

• Optical testing setups

Technical Specifications

• Attenuation Value: 3dB

• Wavelength Range: 1310nm / 1550nm

• Fiber Type: Single Mode (SM)

• Connector Type: LC/UPC

• Return Loss: ≥ 55dB

• Operating Temperature: -40°C to +85°C

Product Highlights

✔ Stable signal reduction
✔ Protects optical receivers
✔ Easy in-line installation
✔ Reliable & durable design
✔ Ideal for FTTH & telecom use

FAQs

1️⃣ What does 3dB attenuation mean?

3dB reduces optical signal power by approximately 50%.

2️⃣ Can I use this with LC/APC connectors?

No. This model is LC/UPC and should not be connected to APC ports.

3️⃣ Is it compatible with multi-mode fiber?

No. It is designed for Single Mode (SM) fiber only.

4️⃣ Where is it commonly used?

It is widely used in FTTH networks, OLT ports, ONU devices, and telecom systems.

5️⃣ Does it require an adapter?

No. It is a male-to-female in-line design and connects directly.