This article provides instructions on how to download the latest driver of your Cisco Systems AIR-CB20A 802.11a Wireless LAN Adapter driver adapter.

NOTE: Make sure your computer has an active Internet connection. If your computer is plugged into the router and cannot get online, disconnect it from your router and plug it directly into your Cable or DSL modem.

As there are many drivers having the same name, we suggest you to try the Driver Tool, otherwise you can try one by on the list of available driver below.
Please scroll down to find a latest utilities and drivers for your Cisco Systems AIR-CB20A 802.11a Wireless LAN Adapter driver. Be attentive to download software for your operating system.

Description: Cisco Systems AIR-CB20A 802.11a Wireless LAN Adapter driver setup Version: 4.2.8 Date: 09 Sep 2014 Filesize: 0.81 MB Operating system: Windows XP, Visa, Windows 7,8 (32 & 64 bits) Download Now

---

Filename: Cisco Systems PCI Wireless LAN Adapter_003.009.016.zip
Version: 003.009.016
Date: 2004-09-20
Filesize: 499.55K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

---

Filename: Cisco Systems PCI Wireless LAN Adapter_ 3.9.16.zip
Version: 003.009.016
Date: 2004-09-20
Filesize: 499.55K
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

---

Filename: 1kwc42ww.exe
Version: 003.008.026
Date: 2004-05-04
Filesize: 14.72M
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

---

Filename: qe15wlanx.exe
Version: 003.005.013
Date: 2003-02-14
Filesize: 3.82M
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now

---

Filename: tm3wlan.exe
Version: 003.005.013
Date: 2003-02-14
Filesize: 3.05M
Operating system: Windows XP,Vista, Windows 7, Windows 10 Download Now