# EFB Elektronik 533680.9 Fiber Optic Attenuator, SC Connector, 45 dB Return Loss

**URL:** https://aio.lv/en/product--efb-elektronik-5336809--12499621
**Data updated:** 2026-06-07 13:14 (EEST)
**Category:** Network Equipment Accessories
**Manufacturer:** EFB Elektronik
**Manufacturer code:** 533680.9
**EAN:** 4049759165758
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 23.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 19.41 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--efb-elektronik-5336809--12499621

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

The EFB Elektronik 533680.9 is a high-quality fiber optic attenuator designed for precise signal level management in telecommunications networks. Featuring an SC connector, it provides a return loss of 45 dB. Engineered for reliability, this component operates efficiently within a temperature range of -20 to 75 °C, making it suitable for various professional networking environments requiring stable signal attenuation.

## Long description

The EFB Elektronik 533680.9 is a high-precision fiber optic attenuator designed to manage signal levels effectively within telecommunications and data networking infrastructures. This component is engineered to provide reliable signal reduction, ensuring that optical power levels remain within the optimal range for sensitive network equipment. By maintaining signal integrity, it helps prevent receiver saturation and improves overall network performance.
Advantages
This fiber optic attenuator offers exceptional build quality and consistent performance, which is essential for maintaining stable connections in professional environments. Its design ensures minimal signal degradation while providing the necessary attenuation to protect hardware from excessive optical power. The robust construction allows it to function reliably across a wide range of environmental conditions, making it a dependable choice for both indoor and outdoor networking installations.
Suitable for
Telecommunications networks
Data centers and server rooms
Fiber optic testing and measurement setups
Preventing receiver saturation in high-power optical links
When it may not be suitable
This device is specifically designed for SC connector interfaces and is not compatible with other connector types such as LC or ST without the use of additional adapters. It is intended for professional networking applications and may not be necessary for simple, short-range home network setups where signal power levels are already within the required operating parameters.
Key specifications
Connector type: SC
Return loss: 45 dB
Operating temperature range: -20 to 75 °C
Dimensions: 6.3 mm width, 28.6 mm depth, 10.5 mm height
How to use
To install the attenuator, ensure that both the fiber optic cable connector and the attenuator interface are clean and free of dust or debris. Carefully align the SC connector with the corresponding port on your networking equipment or patch panel and insert it until it clicks into place. The device is designed for a direct inline connection, allowing for seamless integration into existing fiber optic paths without the need for complex tools.
What to consider before purchase
Verify that your existing fiber optic infrastructure utilizes SC connectors.
Ensure the required attenuation level matches your specific network power budget.
Check the physical space available in your patch panel or equipment rack to accommodate the dimensions of the attenuator.
Usage recommendations
For optimal performance and to maintain the longevity of your fiber optic components, always inspect and clean the connector end-faces with specialized fiber cleaning tools before making any connections. Avoid bending the fiber cables excessively near the connection point to prevent signal loss or physical damage.

## Specifications

| Feature | Value |
|---|---|
| Certification | IEC61754-4 |
| Height | 10.5 mm |
| Connector(s) | SC |
| Width | 6.3 mm |
| Depth | 28.65 mm |
| Temperature range (T-T) | -20 - 75 |
| Attenuation | 45 dB |

## FAQ

### How much does the EFB Elektronik 533680.9 Fiber Optic Attenuator cost, and is it available for purchase?

The price is 23.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 200 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 10.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All EFB Elektronik products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized EFB Elektronik service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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