# USB-C to LAN RJ45 Ethernet Adapter PREMIUMCORD ku31ether03 2.5G/1000Mbit

**URL:** https://aio.lv/en/product--premiumcord-ku31ether03--8234908
**Data updated:** 2026-02-12 21:51 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** PREMIUMCORD
**Manufacturer code:** ku31ether03
**EAN:** 8592220023065
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 26.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--premiumcord-ku31ether03--8234908

## 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

Wired USB-C to RJ45 Ethernet adapter by PREMIUMCORD, model ku31ether03, supporting up to 2.5G and 1000Mbit connections. Provides a stable wired network interface for laptops, tablets and devices with USB-C ports that lack a built-in Ethernet jack. Ideal for reliable high-speed transfers, video conferencing, online gaming and environments with weak Wi‑Fi.

## Long description

The PREMIUMCORD USB-C to LAN RJ45 Ethernet Adapter ku31ether03 provides a wired network connection for laptops, tablets and other USB-C devices that lack an integrated Ethernet jack. Designed to deliver stable data transmission, the adapter supports wired speeds up to 2.5G and standard 1000Mbit connections, enabling reliable transfers, low-latency online calls and consistent performance in environments where Wi‑Fi is weak or unstable.
Advantages
The adapter offers a compact plug-and-play solution that minimizes connection drops and latency compared with wireless networks. It is compatible with a wide range of USB-C equipped devices, supports high throughput for large file transfers and reduces interference and packet loss common to congested Wi‑Fi networks. Its robust RJ45 connector ensures a secure physical connection during continuous use.
Suitable for
High-speed wired internet access for laptops and tablets
Video conferencing and VoIP calls requiring stable bandwidth
Online gaming with reduced latency and packet loss
File transfers and backups over local networks
Work environments with weak or unreliable Wi‑Fi coverage
Key specifications
Interface: USB-C plug to RJ45 Ethernet port
Supported speeds: up to 2.5 Gbit/s and standard 1000 Mbit/s operation
Compatibility: devices with USB-C ports that support host networking
Connection type: wired Ethernet for reduced latency and stable throughput
Physical features: compact inline adapter with standard RJ45 connector
How to use
Connect the USB-C plug to a compatible device and attach an Ethernet cable to the RJ45 port. Most modern operating systems will detect the adapter automatically and configure network settings without additional drivers. If necessary, follow on-screen prompts to enable the wired connection or install manufacturer drivers provided for specific platforms. After connection, verify the network link lights on the RJ45 connector and confirm network status in the device network settings.
Usage recommendations
For consistent performance, use quality Cat5e or higher Ethernet cables and connect to a 2.5G-capable switch or router when taking advantage of speeds above 1G. Ensure the host device’s USB-C port supports data transfer and power specifications required for external adapters. Avoid excessive cable bending near the adapter to maintain connector integrity.

## FAQ

### How much does the PREMIUMCORD USB-C to RJ45 ku31ether03 adapter cost, and is it available for purchase?

The price is 31.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 PREMIUMCORD 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 PREMIUMCORD 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

https://aio.lv/img/cache/product/8234908/51413935_large.webp