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  • 300Mbps Realtek RTL8192 CU Mini usb wifi adapter wlan stick with antenna for laptop desktop Raspberry PI
  • 300Mbps Realtek RTL8192 CU Mini usb wifi adapter wlan stick with antenna for laptop desktop Raspberry PI
  • 300Mbps Realtek RTL8192 CU Mini usb wifi adapter wlan stick with antenna for laptop desktop Raspberry PI
  • 300Mbps Realtek RTL8192 CU Mini usb wifi adapter wlan stick with antenna for laptop desktop Raspberry PI
  • 300Mbps Realtek RTL8192 CU Mini usb wifi adapter wlan stick with antenna for laptop desktop Raspberry PI
  • 300Mbps Realtek RTL8192 CU Mini usb wifi adapter wlan stick with antenna for laptop desktop Raspberry PI
300Mbps Realtek RTL8192 CU Mini usb wifi adapter wlan stick with antenna for laptop desktop Raspberry PI
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300Mbps Realtek RTL8192 CU Mini usb wifi adapter wlan stick with antenna for laptop desktop Raspberry PI

  • 200 - 999 Pieces
    $3.45
  • 1000 - 4999 Pieces
    $3.35
  • 5000 - 9999 Pieces
    $3.20
  • >= 10000 Pieces
    $2.90

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

300Mbps Realtek RTL8192 CU Mini usb wifi adapter wlan stick with antenna for laptop desktop Raspberry PI

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Speed Connectivity: Supports 300Mbps data transfer via the Realtek RTL8192CU chipset and 802.11n standard, enabling fast and stable wireless network access for streaming, gaming, or large file transfers.
  • Dual-Band Flexibility: Operates on both 2.4GHz and 5GHz frequencies to optimize performance in crowded networks, reducing interference for smoother connectivity.

Key features

  • 1. Durable Metal-Reinforced Construction

    • With a corrosion-resistant metal body and plastic components, ensure long-lasting durability while maintaining a sleek, compact design for easy portability.

  • 2. Adjustable External Antenna for Enhanced Connectivity

    • With an extendable external antenna, optimize Wi-Fi signal strength in areas with weak coverage, outperforming fixed-antenna adapters*.

  • 3. High-Speed 802.11n Technology

    • Supporting 300Mbps speeds via the Realtek RTL8192CU chipset, achieve ~4.5x faster data transfer than 802.11g models*, ensuring smooth streaming and gaming.

  • 4. Cross-Platform Compatibility

    • Designed for seamless use with laptops, desktops, Raspberry Pi, and multiple OSes (Windows/macOS/Linux), making it ideal for diverse devices and environments.

  • 5. Dual-Band Flexibility

    • With simultaneous 2.4GHz and 5GHz band support, adapt to crowded networks for stable performance in homes, offices, or public spaces.

Product details

300Mbps Realtek RTL8192 CU Mini usb wifi adapter wlan stick with antenna for laptop desktop Raspberry PI

The 300Mbps Realtek RTL8192 CU Mini USB Wi-Fi Adapter delivers reliable wireless connectivity for laptops, desktops, and IoT devices like Raspberry Pi. Its compact design, external antenna, and 802.11n support ensure fast data transfer and strong signal strength in diverse environments.

Technical specifications

FeatureSpecificationApplication Scenario
Wireless Standard802.11n (2.4GHz)Ideal for home/office networks with multiple devices
Data RateUp to 300MbpsStreaming HD video or large file transfers
AntennaRemovable/ExtendableEnhance signal in areas with weak coverage
CompatibilityWindows/macOS/LinuxCross-platform use across different devices
Raspberry PiFull SupportExtend wireless connectivity to IoT devices
CertificationsFCC/CE/RoHSEnsures safety and global compliance

Customization guide

Adjustable antenna length to meet specific signal range requirements. Firmware customization for specialized network environments (e.g., industrial IoT setups).

Get inspired

Whether you need a stable connection for a home office, a Raspberry Pi project, or a laptop on-the-go, this adapter’s extendable antenna and cross-platform compatibility make it a versatile solution for seamless wireless connectivity.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Signal Range100m indoor+20% (120m)*+40% (140m)*
AntennaFixedExtendableDual-band Support*
Raspberry PiBasic SupportOptimized DriversFull SDK Access
LatencyStandardLowUltra-Low
CertificationsFCC/CE+RoHS+Military-grade EMI

**Dual-band support via external adapter (5GHz optional).

Supplier's note

  1. Technical Breakthroughs:

    • With the Realtek RTL8192CU chipset, you can achieve stable connections in crowded networks, ensuring reliability for video calls and file transfers.
    • The extendable antenna design provides up to 20% better signal range than fixed-antenna models, ideal for large offices or industrial environments.
    • Full Raspberry Pi compatibility allows users to create IoT solutions with seamless wireless connectivity.

  2. Optimal Version Selection:

    • Base Model: Perfect for basic users needing standard Wi-Fi for laptops/desktops (e.g., home users).
    • Advanced Model: Ideal for users needing extended range (e.g., home offices) or Raspberry Pi projects requiring optimized drivers.
    • Pro Model: Tailored for professionals requiring maximum range (e.g., warehouses), ultra-low latency (gaming/VR), or industrial-grade certifications.

Example: The Pro version’s military-grade EMI shielding enables safe operation near electromagnetic interference, while its ultra-low latency pairs with Raspberry Pi’s SDK to power real-time IoT applications like smart sensors.

Frequently asked questions

  • Which USB Wi-Fi adapter model is best for Raspberry Pi and small offices?

  • How do I maintain the external antenna for optimal signal strength?

  • Why is the Realtek RTL8192CU chipset better than others for USB adapters?

  • Can this USB Wi-Fi adapter work with both Windows and Linux systems?

  • Is the 300Mbps speed sufficient for streaming and gaming?

  • Does this USB Wi-Fi adapter require any certifications for commercial use?

  • How does the compact design benefit portable devices?

  • Can I extend the antenna for better range in large buildings?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Wireless StandardHome/Office NetworksIndustry Standard: 802.11g (54Mbps)
Our Base: 802.11n (300Mbps)
Our Advanced: 802.11ac (867Mbps ▲2.9x)		Backward compatibility with older networks; Our Advanced delivers ultra-fast streaming.Industry Standard: Limited to legacy devices; Our Base: Requires modern routers.
Data RateGaming/Video StreamingIndustry Standard: 150Mbps (dual-stream 802.11n)
Our Base: 300Mbps (▲2x)
Our Advanced: 450Mbps (▲3x)		Our Base: Suits 1080p streaming; Our Advanced: Supports 4K/8K.Industry Standard: Slower for large file transfers.
Frequency BandsDense Wi-Fi EnvironmentsIndustry Standard: 2.4GHz only
Our Base: 2.4GHz + 5GHz ▲
Our Advanced: Dual-band with beamforming ▲		Our Base: Avoids 2.4GHz congestion; Our Advanced: Prioritizes low-latency.Industry Standard: Higher interference risk.
Antenna TypeRemote Workspaces (Weak Signals)Industry Standard: Internal antenna (5dBi gain)
Our Base: External 7dBi ▲
Our Advanced: 9dBi + detachable ▲		Our Base: Extends range by 50%; Our Advanced: Adjustable for optimal angles.Industry Standard: Poor signal in multi-wall setups.
OS CompatibilityMulti-Device HomesIndustry Standard: Windows-only
Our Base: Windows/macOS/Linux ▲
Our Advanced: Cross-platform + driverless ▲		Our Base: Works with Raspberry Pi/Smart TVs; Our Advanced: Plug-and-play.Industry Standard: Limits use to single OS.
Thermal Design24/7 Server UseIndustry Standard: No heat dissipation
Our Base: Passive cooling (43°C max ▲)
Our Advanced: Active fan (38°C ▲)		Our Base: Stable for long runs; Our Advanced: Quieter under load.Industry Standard: Overheats in enclosed spaces.

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