Reliable WiFi USB Adapter Performance
Our WiFi USB adapter delivers fast wireless connectivity for desktops, laptops, and embedded systems in offices, homes, and industrial projects.
Our Advantages:
- Premium build quality ensures durability
- Low MOQ supports flexible orders
- Quick production and shipping times
- Full OEM customization available
- Rapid sample development service
- Expert technical support included
Note: For specific requirements, please send us an inquiry to contact us.
- Datasheet
- Product Overview
- How to Choose
| Model | CF-731B |
| Wireless standard | IEEE802.11a/b/g/n/ac/ax |
| Antenna | Built-in 2dBi Antenna |
| Application | Desktop/notebook |
| USB Port | USB2 .0 |
| Wireless Rate | 2.4GHz: 286Mbps; 5.8GHz: 286Mbps |
| Encryption | WPA-WEP/WPA-PSK/WPA2-PSK/WPA3 |
| Support OS | Window7/10/11 |
| Other Functions | Simulate AP |
| Indicator light | Working status indicator |
| Physical Features | Plastic shell, Size:30.7*16.9*7.9mm |
| Working Environment | Working Temperature: 0 ℃~40℃; Storage Temperature: -40 ℃~70 ℃; Working Humidity: 10%~90%RH Non-condensing; Storage Humidity: 5%~90%RH Non-condensing |
Tired of slow internet, dropped connections, or weak signals that kill productivity? Whether you’re in a busy office with dozens of devices or working from home with multiple screens, unreliable WiFi creates constant frustration.
You need a simple, powerful solution. Our WiFi USB adapter instantly upgrades your computer with strong, stable wireless performance. It eliminates lag, dead zones, and buffering so you stay connected without interruption.
Designed for real-world reliability, this adapter handles heavy workloads with ease. You get fast speeds for seamless video calls, large file transfers, online gaming, and smooth 4K streaming. Businesses and professionals love how it boosts efficiency and reduces downtime.
With easy plug-and-play setup and broad compatibility including Windows 11, it’s the practical choice for reliable wireless access. Choose COMFAST and experience consistent, high-performance connectivity that keeps your projects moving forward.
Selecting the right wireless adapter requires evaluating your operating system, required transmission range, installation space, Bluetooth needs, and deployment scenario. The proper model ensures stable connectivity, excellent throughput, and reliable long-term performance.
Quick Recommendation
➤ Ultra-compact desktop/notebook upgrade with minimal space → CF-731B
➤ High-performance WiFi6 with Bluetooth 5.4 and multi-OS support → CF-733BF
➤ AC1300 dual-band with MacOS compatibility → CF-727B
➤ Ultra-Compact Space-Saving Upgrade
Recommended: CF-731B
Why choose it: AX600 WiFi6 adapter features tiny built-in 2dBi antenna and ultra-small size (30.7×16.9×7.9mm). Ideal for space-limited desktops/notebooks needing simple plug-and-play WiFi6 + Bluetooth 5.4 on Windows 7/10/11.
➤ Long-Range WiFi6 with Broad Platform Support
Recommended: CF-733BF
Why choose it: AX900 WiFi6 adapter with external 3dBi antenna delivers up to 601Mbps on 5GHz plus Bluetooth 5.4. Excellent signal stability and coverage for demanding environments requiring Linux/Android/Windows compatibility and strong transmission distance.
➤ AC1300 High-Speed for Legacy & Mac Systems
Recommended: CF-727B
Why choose it: 1300Mbps AC dual-band adapter (867Mbps 5GHz) with Bluetooth 4.2 offers reliable performance and MacOS 10.6–10.15 support. Perfect for mixed environments balancing throughput, compatibility, and cost-effectiveness.
➤ Need Help Choosing?
If you are unsure which wireless router best fits your project or business requirements, our team is ready to assist.
Please contact us at: zy@comfast.cn

Solve Slow Wireless Issues
Many users struggle with weak signals, frequent disconnects, and limited range on older or built-in adapters.
Our WiFi USB adapter provides strong dual-band performance, delivering fast and stable connections for desktops and laptops. It effectively solves coverage problems in larger spaces and supports multiple devices without lag, making it perfect for work, study, and entertainment.
Exceptional Connection Stability
Experience superior speed and reliability that outperforms standard adapters in crowded networks.
This WiFi USB adapter maintains strong signals even through walls and distance, solving buffering and dropouts. You enjoy smooth gaming, fast downloads, and uninterrupted video calls with consistent performance you can count on every day.


Perfect for Everyday Challenges
Struggling with dead zones in your home office, weak signals during video conferences, or slow connections in multi-device environments?
Our WiFi USB adapter resolves these issues across homes, small offices, hotels, and remote workspaces. It delivers reliable coverage for streaming, browsing, and cloud applications, ensuring you stay productive without frustrating interruptions.
User-Friendly Setup Experience
Tired of complicated drivers and compatibility problems with new operating systems?
This WiFi USB adapter offers simple plug-and-play functionality with excellent Windows 11 support. It solves installation headaches and driver conflicts, giving you instant wireless access with an intuitive interface that works reliably right out of the box.


OEM Customization Advantages
Strong Business Partnership

About COMFAST
Your Reliable Partner in Advanced Wireless Technology
We specialize in enterprise-grade network communication and next-generation wireless coverage solutions. As a professional manufacturer and solution provider, we seamlessly integrate R&D, production, customization, and service. Our core products include uniquely designed WiFi 7 network cards, wireless repeaters, routers, access points, bridges, switches, and more. With extensive expertise in 802.11be standards, standardized production processes, and efficient service systems, we deliver stable, high-performance, and visually appealing wireless products along with tailored solutions to clients worldwide.
Customer-centricity drives our approach: we provide end-to-end B2B services, from needs assessment, solution design, and product customization—including unique form factor designs—to sample testing, mass production, on-time delivery, and comprehensive technical support and after-sales service, forming a complete service loop. We uphold strict quality control, possess full product certifications, and offer mature OEM/ODM capabilities supported by a reliable supply chain. Our flexible cooperation options include project bidding, engineering deployment, brand customization, and international trade. We are more than a supplier — we are your long-term, dependable, and worry-free strategic partner.














