# Wireless Adapter Yealink WF40 150 Mbit/s USB WLAN Wi-Fi 4

**URL:** https://aio.lv/en/product--yealink-usb-wf40--965219
**Data updated:** 2025-12-29 05:23 (EET)
**Category:** Network Cards
**Manufacturer:** Yealink
**Manufacturer code:** USB WF40
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 59.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 49.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--yealink-usb-wf40--965219

## 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 | 1.99 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

The Yealink WF40 is a wireless adapter that supports a maximum data transfer rate of 150 Mbit/s. It connects via USB and is compliant with Wi-Fi 4 (802.11n) standards. This device is designed for reliable wireless connectivity, making it suitable for various applications.

## Long description

The Yealink WF40 Wi‑Fi USB Dongle is a compact wireless adapter that connects via USB and provides Wi‑Fi 4 (IEEE 802.11n) connectivity with a maximum data rate of 150 Mbit/s. Designed for office environments, the WF40 enables IP phones and other USB‑equipped devices to join existing wireless networks quickly and with minimal setup.
Advantages
The WF40 offers a small form factor, low power consumption and plug‑and‑play operation, allowing fast deployment without complex configuration. Compliance with IEEE 802.11b/g/n standards ensures broad compatibility and stable throughput, while the 150 Mbit/s transmission rate supports typical voice and data office tasks.
Suitable for
 Connecting IP phones to wireless networks
 Adding WLAN capability to USB devices in small offices
 Environments requiring simple, low‑power wireless adapters
Key specifications
 Brand: Yealink
 Model: WF40 (MPN: USB WF40)
 Interface: USB
 Standards: IEEE 802.11b / 802.11g / 802.11n (Wi‑Fi 4)
 Maximum data rate: 150 Mbit/s
 Colour: Black
 Connectivity technology: Wireless (WLAN)
How to use
Plug the Yealink WF40 into an available USB port on the target device and allow the host system to detect the adapter. For most modern systems the device will install and operate in plug‑and‑play mode. Use the host device’s network settings to select the local Wi‑Fi network and enter credentials as required. After connection, verify network quality and check that voice or data services operate as expected.
Usage recommendations
Place the WF40 in a USB port with unobstructed line of sight to the access point where possible, and avoid placing it near large metal objects or other strong RF sources to maximize signal strength and throughput.

## Specifications

| Feature | Value |
|---|---|
| Wi-Fi standards | 802.11b, Wi-Fi 4 (802.11n), 802.11g |
| Component for | IP Phone |
| Harmonized System (HS) code | 85176990 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wireless |
| Interface | WLAN |
| Host interface | USB |
| Internal | No |
| USB version | 2.0 |

### Bandwidth

| Feature | Value |
|---|---|
| Maximum data transfer rate | 150 Mbit/s |
| Bandwidth | 2.4 GHz |

### Network

| Feature | Value |
|---|---|
| Networking standards | IEEE 802.11b, IEEE 802.11g, IEEE 802.11n |

### Wireless LAN features

| Feature | Value |
|---|---|
| Wi-Fi | Yes |
| Top Wi-Fi standard | Wi-Fi 4 (802.11n) |
| WLAN data transfer rates supported | 150 |
| Bandwidth (first) | 2.4 GHz |

### Performance

| Feature | Value |
|---|---|
| Security algorithms | 64-bit WEP, 128-bit WEP, 152-bit WEP, WPA2-PSK |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 8 mm |
| Width | 18 mm |
| Depth | 26.9 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 85 |
| Operating temperature (T-T) | 0 - 50 |

## FAQ

### How much does the Wireless Adapter Yealink WF40 cost, and is it available for purchase?

The price is 59.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 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. 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 Yealink 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 Yealink 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: connectivity technology, interface, host interface, maximum data transfer rate, networking standards, 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 Wireless Adapter Yealink WF40?

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/965219/57823411_large.webp