Guide: Choosing USB wifi card Alfa Network

This guide is intended to assist you in choosing your Alfa Network Wifi card. First, here is a comparison chart that includes their main characteristics:

Wificard comparisonAlfaNetwork
ModelStandardMax flowChipsetSensitivity (up)Transmission power maxCompatible R36
Awus036H 802.11 b/g 54 Mbps Realtek RTL8187L -96 dBm 1000 mW Yes
Awus036EW 802.11 b/g 54 Mbps Realtek RTL8187L -83,5 dBm 500 mW Yes
Awus036NH 802.11 b/g/n 150 Mbps Ralink RT3070 -92 dBm 2000 mW Yes (by flashing the firmware)
Awus036NHR 802.11 b/g/n 150 Mbps Realtek RTL8188RU -92 dBm 2000 mW Yes (by flashing the firmware)
Awus036NHA 802.11 b/g/n 150 Mbps Atheros AR9271 -96 dBm 1000 mW No

Here is a guide compatibility, depending on operating systems:

Card Compatibility Alfa Network Wifi Windows & Linux
ModelWindows XPWindows VistaWindows 7Windows 8Linux
Awus036H Yes Yes Yes Yes Yes (may need to install the driver)
Awus036EW Yes Yes Yes Yes Yes (may need to install the driver)
Awus036NH Yes Yes Yes Yes Yes (may need to install the driver)
Awus036NHR Yes Yes Yes Yes Yes (may need to install the driver)
Awus036NHA Yes Yes Yes Yes Yes (may need to install the driver)
Card Compatibility Alfa Network Wifi Mac OSx
ModelMac OSx 10.4Mac OSx 10.5Mac OSx 10.6Mac OSx 10.7Mac OSx 10.8Mac OSx 10.9
Awus036H Yes Yes Yes No No No
Awus036EW Yes Yes Yes No No No
Awus036NH Yes Yes Yes Not tested Yes Yes
Awus036NHR Yes Yes Yes Yes Yes Yes
Awus036NHA No No No No No No

 And finally, here for each wireless card after a summary of our testing and client testimonials.

AWUS036H: This is a Wifi card whose main interest is high sensitivity. As such, it is ideal in difficult conditions when the signal is weak or when there are obstacles. It is recommended for travelers: holiday at the hotel, camper, boat, it will provide an internet connection anywhere using a suitable antenna. It is also appreciated by lovers of computer security and Linux users, for its performance in monitor mode.

Awus036EW: This is the "little sister" of the AWUS036H. It is just a notch below the level of sensitivity and the maximum transmission power. However, it provides respectable performance, it is the entry level for Alfa Network Wifi USB key.

AWUS036NH: Thanks to support 802.11 b / g / n, it offers a theoretical maximum speed higher than the AWUS036H. In return, it is a little less sensitive.

Awus036NHR: The Awus036NHR is a wireless card that is particularly popular on Windows, or drivers really help make the most of its excellent performance. It will combine the advantages of AWUS036H with very good sensitivity, and AWUS036NH with a theoretical speed up to 150 Mbps.

Awus036NHA: The Awus036NHA is especially popular in Linux, or it will give excellent results after installing the appropriate driver.