# Networking cable EFB Elektronik K5528BL.1 RJ-45 Cat8.1 1 m Blue

**URL:** https://aio.lv/en/product--efb-elektronik-k5528bl1--3141406
**Data updated:** 2026-01-05 20:32 (EET)
**Category:** Network Cables
**Manufacturer:** EFB Elektronik
**Manufacturer code:** K5528BL.1
**EAN:** 4049759215217
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 14.99 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 12.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--efb-elektronik-k5528bl1--3141406

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

The EFB Elektronik K5528BL.1 networking cable features a length of 1 meter and supports the Cat8.1 standard with S/FTP shielding. It provides a high data transfer rate of up to 40000 Mbit/s, making it ideal for high-speed networking applications. The cable is equipped with RJ-45 connectors on both ends and comes in a striking blue color, ensuring both performance and aesthetic appeal.

## Long description

The EFB Elektronik K5528BL.1 RJ-45 Cat8.1 networking cable is a 1 m S/FTP patch cable designed for high-speed Ethernet over RJ45. It supports Cat.8.1 performance with a frequency range up to 2000 MHz and is specified for 25GBASE-T and 40GBASE-T applications, with a maximum recommended transmission distance of 30 m.
Advantages
This Cat8.1 cable provides shielding (S/FTP) to reduce electromagnetic interference and deliver stable data transfer. It supports data rates up to 40000 Mbit/s and uses standard RJ-45 connectors on both ends for easy compatibility with existing network equipment. The 1 m length and blue jacket make it suitable for short horizontal or patch-panel connections while keeping cable management clear.
Suitable for
25GBASE-T and 40GBASE-T server-to-switch or switch-to-switch short links
High-density patch panels and rack-mounted equipment
Short horizontal runs and workstation patching
Key specifications
Standard: Cat.8.1
Length: 1 m
Connectors: RJ-45 to RJ-45
Shielding: S/FTP
Frequency: up to 2000 MHz
Maximum recommended transmission distance: 30 m
Supported data rate: up to 40000 Mbit/s
Colour: Blue
MPN: K5528BL.1
EAN: 4049759215217
How to use
Connect one RJ-45 end to the network device (switch, server or patch panel) and the other end to the corresponding port. Ensure both ends are fully inserted and secured to maintain proper contact. Use this 1 m cable for short connections inside racks or between nearby devices; avoid bending the cable beyond the manufacturer’s recommended bend radius and keep it away from strong sources of electromagnetic noise where possible.
Usage recommendations
For reliable 25G/40G performance, use this cable for runs within the specified 30 m limit and pair it with compatible Cat8.1-capable network equipment. Inspect connectors for damage before installation and avoid excessive pulling or sharp bends during cable routing.

## Specifications

### Features

| Feature | Value |
|---|---|
| Cable length | 1 m |
| Connector 1 | RJ-45 |
| Connector 2 | RJ-45 |
| Cabling technology | 40GBase-T |
| Product colour | Blue |
| Plug and Play | Yes |
| Data transfer rate | 40000 Mbit/s |
| Jacket material | Low smoke zero halogen (LSZH) |
| Cable standard | Cat8.1 |
| Frequency | 2000 MHz |
| AWG wire size | 24/7 |
| Cable shielding | S/FTP (S-STP) |
| Conductor material | Copper |
| Connector shielding | Yes |
| Ethernet interface type | 40 Gigabit Ethernet, 2.5 Gigabit Ethernet |
| Connector 1 gender | Male |
| Connector 2 gender | Male |

### Weight & dimensions

| Feature | Value |
|---|---|
| Outer diameter | 8 mm |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733080 |

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Networking cable EFB Elektronik K5528BL.1 cost, and is it available for purchase?

The price is 14.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 281 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 22.07.2026 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: cable length, connector 1, connector 2, cabling technology, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Networking cable EFB Elektronik K5528BL.1?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/3141406/64089704_large.webp