LC/APC SM Male-Female attenuators|
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LC/APC Male-Female Singlemode Fixed Fiber Optic Attenuator

Rollball's Fixed fiber optic attenuators offer low return loss, high stability and a variety of attenuation values, NTT Telcordia ANSL IEC TIA/EIA and JIS compliant.
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Rollball LC/APC Male-Female SM Fixed Fiber Optic Attenuator

Item Specifications

Fiber Connector


Connector Gender

Fixed Male to Female

Transfer mode


Attenuation Range

1~20dB or Custom

Return Loss


Opeartion wavelength


Max Input Power


Opeartion Temperature


Polarization Dep Loss


Compliance Standard

NTT Telcordia ANSL TIA/EIA and JIS


Ø   Fully compatible with LC fiber optic connectors
Ø   Low PDL and Low back reflection
Ø   High power endurance
Ø   Wavelength independent
Ø   Precise control of attenuation range
Ø   Simple manipulation
Ø   Highly Reliable Physical Contact Connectors
Ø   Available in single-mode or multi-mode
Ø   Fixed Attenuation value customized from 1-20db

Why Use Attenuators?

The ability of any fiber optic system to transmit data ultimately depends on the optical power at the receiver as shown below, which shows the data link bit error rate as a function of optical power at the receiver. (BER is the inverse of signal-to-noise ratio, e.g. high BER means poor signal to noise ratio.) Either too little or too much power will cause high bit error rates. Generally, multimode systems do not need attenuators, because multimode sources rarely have enough power output to saturate receivers. Singlemode systems, especially short links, often have too much power and need attenuators.
Too much power, and the receiver amplifier saturates, too little and noise becomes a problem as it interferes with the signal. Fiber optic attenuators are mainly used for adjusting the Optical Power to a desired level. Attenuators are available in models with variable attenuation or with fixed values from 1 dB to 20 dB or more.

ROLLBALL’S Fiber Optic Attenuators

Fiber optic attenuator is used in the fiber optic communications to reduce the optical fiber power at a certain level. The most commonly used type is female to female (adaptor type), female to male (plug-in type) and in-line type. Adopting advanced attenuation fiber technology, Rollball plug-in and adaptor type fixed value attenuator features high power endurance and low back reflection, suitable for high speed digital transmission and simulated applications. Available in single-mode or multi-mode, FC, SC, ST, LC and MU type.
If the attenuator type you would like to have can not be find on our website, please leave us an email Thanks!


Customer Note

OEM & Customs

Partnering with a variety of world class OEM manufacturers over 8 years, Rollball is able to provide customized and cost-effective Ethernet solutions of high quality for all needs and specifications, including Optical design, Mechanical design, Printed Circuit Board (PCB) layout and Electrical design, Software & Firmware design, Integrated assembly, Specific labels, etc. Since put in market, our products are highly praised and trusted by domestic and international customers for its excellent performance and reasonable price. Rollball has been expanding rapidly across the world and is becoming the leading provider of the optical communication industry. If you are interested in our products, please feel free to contact us

Special Notes for Brazilian Customers:

Brazilian customers should include the VAT(Value Added Tax) number in the order information. Orders may be delayed or disregarded if we could not obtain your VAT number.

The VAT number may refer to:

Ø CNPJ(for company)

  Please note: The consignee must be company, must provide company information for delivery if you provide CNPJ.

Ø   CPF(for individual)


We are happy to ship to all countries worldwide. Our current primary carrier is DHL and Postal packet. And we have a good price with DHL. If you want us to change the shipment, please contact us first. We will try to find the best shipping way according to different location to save your freight.

If you have a special shipping request, or you want us to write lower value on the commercial invoice, please feel free to contact us in advance, and we would be happy to accommodate you. In order to get the items smoothly, please confirm your destination address and contact number correctly. Thanks!

Packing & Labeling

This easy to take and well-protected transceiver package has been labeled and marked by Rollball as default. Customized label or package solutions are available as request.




Ø 5 Years for Cables

Ø 3 Years for Module Transcerivers

If defective products are caused by inferior raw materials or the lack of manufacturing process. We will provide replacement service and bear the return freight.

Please Note:

Ø   This warranty right only lies in the initial purchaser of our products and is not transferable.

Ø Before returning item, please make sure you get our (the seller’s) return address and contact us first.

Ø The warranty period after replacement will be either the remaining warranty period of the original product or 90 days after replacement, depending on the longer period.

Money-Back Guaranty:

We will refund you for items sending back within 30 days after you get the parcel for any reason. A full refund(shipping fees excluded) will be given if items are returned in their original condition.

Please note:

Ø  Items which are damaged or have components lost are not refundable.

Ø Buyers are obliged to return items with proper packing.

On receiving items, we will refund you immediately.


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