# WiFi USB Adapter Comfast CF-812AC — Dual Band 2.4GHz / 5GHz, up to 1300Mbps

**URL:** https://aio.lv/en/product--comfast-cf-812ac--4111918
**Data updated:** 2025-12-29 15:38 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** Comfast
**Manufacturer code:** CF-812AC
**EAN:** 6955410014793
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 16.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--comfast-cf-812ac--4111918

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

Comfast CF-812AC is a USB WiFi adapter providing dual-band wireless connectivity on 2.4GHz and 5GHz with combined throughput up to 1300Mbps. It connects to a PC or laptop via USB to add or upgrade WiFi capability, useful for streaming, video calls and online gaming. Compact and portable, it supports modern routers and improves signal reception where built-in WiFi is weak.

## Long description

Comfast CF-812AC is a compact USB WiFi adapter that adds or upgrades wireless connectivity for PCs and laptops. It supports Dual Band operation on 2.4 GHz and 5 GHz and delivers combined throughput up to 1300 Mbps. The adapter connects via USB 3.0 (backward compatible with USB 2.0 and 1.1), has a built-in 2 dBi antenna and a textured, non-slip black housing designed for portability and everyday use.
Advantages
The adapter provides high transmission speeds and improved signal reception for devices with weak or damaged internal network cards. USB 3.0 enables faster data transfer while maintaining compatibility with older USB ports. The unit supports AP (Access Point) mode to share a wired network as WiFi for phones or tablets. Its compact, fingerprint-resistant design makes it easy to carry and use without adding bulk.
Suitable for
Adding WiFi to desktops or laptops without working wireless cards
Upgrading older computers to faster 802.11ac wireless
Streaming video, video calls and online gaming on 2.4 GHz or 5 GHz
Creating a simple WiFi hotspot using AP mode
Key specifications
Model: Comfast CF-812AC
Wireless standard: IEEE 802.11a/b/g/n/ac
Frequency bands: Dual Band 2.4 GHz and 5 GHz (5.8 GHz)
Max throughput: 1300 Mbps (400 Mbps on 11n + 867 Mbps on 11ac)
Transmission power: 18 dBm
Security: WEP, WPA/WPA2, WPA-PSK/WPA2-PSK
Interface: USB 3.0 (backward compatible with USB 2.0/1.1)
Antenna: built-in 2 dBi
Size: 38.5 x 17 x 8.5 mm
Color: Black
Supported OS: Windows 10/8.1/8/7/Vista/XP (32/64 bit), Mac OS 10.6–10.15
Package contents: WiFi+BT adapter, CD driver, manual
Warranty: 24 months
How to use
Insert the Comfast CF-812AC into an available USB port on your computer. If using USB 3.0, plug into a USB 3.0 port to achieve maximum transfer speeds; the adapter also works in USB 2.0 and 1.1 ports at lower speeds. Install the driver from the supplied CD or download the latest driver from the manufacturer’s website if required. After driver installation enable the wireless adapter in your OS, select the desired WiFi network or set up AP mode to share a wired connection.
Usage recommendations
For best performance place the adapter in a USB port with minimal obstructions and away from large metal objects or other strong radio sources. Use the 5 GHz band for high-bandwidth activities like streaming or gaming and 2.4 GHz for longer range. Keep drivers updated to ensure compatibility and security.

## FAQ

### How much does the Comfast CF-812AC WiFi USB Adapter — Dual Band 1300Mbps cost, and is it available for purchase?

The price is 20.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 22.06.2026 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 Comfast 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 Comfast 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/4111918/10508371_large.webp