Your Upgrade for Maximum WiFi Range and Stability
Is your WiFi signal weak and unreliable? The ALFA Network AWUS1900 is the solution. This powerful WiFi adapter for PC was specifically designed to stably receive even distant or weak WiFi networks. The combination of four powerful 5 dBi antennas, advanced 4T4R MIMO technology, and high transmit power makes it an expert for challenging environments. Overcome multiple walls, entire floors, or interference sources and finally enjoy a consistently stable connection.
AC1900 Speed: Streaming, Gaming, and Downloads Without Compromise
Don't wait any longer for your data. With the AC1900 standard, the AWUS1900 utilizes the full potential of your router. Experience buttery-smooth 4K video streaming, play online games without lag, and transfer huge files in record time. Thanks to intelligent dual-band technology, the adapter connects either to the fast 5 GHz band for maximum performance or the long-range 2.4 GHz band for best compatibility.
The Pro Tool for Kali Linux and IT Security
In the cybersecurity community, the Realtek RTL8814AU chipset is a legend – and the AWUS1900 brings it to perfection. This adapter is one of the top recommendations when it comes to professional network analysis. It reliably supports monitor mode and packet injection on both frequency bands. This makes the ALFA AWUS1900 for Kali Linux and other pentesting distributions an indispensable tool for every IT security expert.
Pure Flexibility: Detachable Antennas and Broad OS Compatibility
The AWUS1900 adapts to your needs. Thanks to the standardized RP-SMA connectors, you can always swap the included antennas for other models, such as directional antennas. This WiFi USB adapter also offers broad driver support for all common operating systems from Windows XP to Windows 11, macOS, and various Linux distributions. Installation is straightforward, and thanks to the included mounts, the adapter always finds the perfect spot on your desk or monitor.
Strengths & Notes at a Glance
- Pro: Excellent range and signal penetration through four 5 dBi high-gain antennas and high transmit power.
- Pro: Very high AC1900 data rates for smooth 4K streaming and online gaming.
- Pro: Broad operating system compatibility, including Windows, macOS, and Linux.
- Pro: Preferred tool for IT security professionals thanks to stable support for monitor mode and packet injection (Kali Linux).
- Pro: Upgradable with detachable antennas with standard RP-SMA connector.
- Note: Due to its size with four external antennas, it is more suitable for stationary use at a desk.
- Note: Driver installation under Linux can be complex for beginners and requires manual steps.
Specifications & Features
| Manufacturer: | ALFA Network |
| Model: | AWUS1900 |
| EAN: | 4718050305209 |
| Device Class: | WiFi USB Adapter (Client/Receiver) |
| Chipset: | Realtek RTL8814AU |
| WiFi Standards: | IEEE 802.11ac/a/b/g/n |
| Frequency Bands: | Dual-Band (2.4 GHz & 5 GHz) |
| Data Rate (max.): | AC1900 |
| Data Rate (5 GHz): | up to 1300 Mbps (802.11ac) |
| Data Rate (2.4 GHz): | up to 600 Mbps (802.11n) |
| Antennas: | 4x external, detachable Dual-Band Dipole antennas |
| Antenna Gain: | 4x 5 dBi |
| Antenna Connector: | RP-SMA Female |
| MIMO Technology: | 4T4R (Four-Transmit, Four-Receive) |
| Transmit Power (TX Power): | Up to 23 dBm |
| Receive Sensitivity: | -90 dBm (802.11n), -84 dBm (802.11ac) |
| WiFi Encryption: | WEP, WPA, WPA2, WPA-PSK, WPA2-PSK, WPS (WPA3 via driver update) |
| Interface: | USB 3.0 (backward compatible with USB 2.0) |
| Supported Operating Systems: | Windows XP/Vista/7/8/8.1/10/11, macOS 10.5 - 10.14+, Linux |
| Additional Features: | Beamforming, Monitor Mode, Packet Injection, LED Status Indicator |
| Dimensions (without antennas): | 85.3 x 62 x 24 mm |
| Weight (device only): | approx. 60 g |
| Power Supply: | Via USB Port |
| Operating Temperature: | -10°C to 60°C |
Scope of Delivery
| 1 x ALFA Network AWUS1900 WiFi USB Adapter |
| 4 x 5 dBi Dual-Band Antenna |
| 1 x USB 3.0 Cable |
| 1 x Mounting Clip for Monitors |
| 1 x Suction Cup Mount |
| 1 x Driver DVD |
| 1 x Quick Start Guide |
Frequently Asked Questions (FAQ)
Can the ALFA AWUS1900 really improve my WiFi range?
Yes, significantly. Thanks to its four external 5-dBi antennas and high transmit power, it can receive weak signals from long distances and establish a more stable connection than most internal or smaller WiFi USB Adapters. It is specifically designed to overcome dead zones.
Is the ALFA AWUS1900 compatible with Windows 11?
Yes. Although many datasheets end with Windows 10, there are official and community-provided drivers that ensure compatibility with Windows 11. It is advisable to always download the latest drivers directly from the ALFA support page.
Does the adapter work for Kali Linux and penetration testing?
Yes, the AWUS1900 is a very popular choice for Kali Linux due to its Realtek RTL8814AU chipset. It reliably supports monitor mode and packet injection, which are essential for security analysis, on both frequency bands (2.4 GHz Components and 5 GHz Components).
Do I need a special WiFi Router to use the full speed?
To utilize the maximum AC1900 speed, you need a WiFi Router that also supports the 802.11ac standard (WiFi 5) or higher, and ideally features MIMO and Beamforming technology. However, the adapter is backward compatible and also works with older routers, but then at reduced speed.
Is the adapter difficult to install?
For Windows and Mac users, installation is usually straightforward: install drivers from the included CD or the manufacturer's website and connect the adapter via USB. For Linux users, the process can be more complex and requires command-line knowledge for manual driver installation.
Can I replace the antennas of the AWUS1900?
Yes. The adapter uses standard RP-SMA-Female connectors. This allows you to replace the included 5-dBi antennas with other compatible antennas (e.g., directional antennas or higher-gain antennas) to further specialize performance.
Homepage: https://alfa.com.tw
