Features And Benefits; Product Specifications - Cisco AIR-CB21AG-E-K9 Datasheet

802.11a/b/g wireless cardbus adapter
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Features And Benefits

Table 1 lists the features and benefits of the Cisco Aironet 802.11a/b/g Wireless CardBus Adapter.
Table 1.
Product Features and Benefits
Feature
Benefit
Cisco Secure Wireless
IEEE 802.1X support, including Cisco LEAP, PEAP-GTC, PEAP-MSCHAPv2, EAP-FAST
Solution
and EAP-TLS for mutual authentication with dynamic per-user, per-session encryption keys
via TKIP enhancements. Full support for WPA and WPA2.. Full support for Management
Frame Protection (MFP)
Enhanced Client
Bundled with comprehensive, easy-to-use client network management utilities to provide a
Network Management
secure, intuitive, and convenient way to manage and configure the adapter.
Features
EAP Single Sign-on
Convenient option to use login credentials for LEAP sign-on on the user's network,
eliminating the need to enter a second set of credentials.
Site Survey Utility
The site survey utility can assist in conducting site surveys, as well as troubleshooting
existing RF wireless LANs. The utility operates at the RF level and is used to determine the
best placement and coverage (overlap) for the network's infrastructure devices.
Cisco Wireless Domain
Cisco WDS is a collection of Cisco IOS
Services (WDS)
mobility and simplify wireless LAN deployment and management. Cisco WDS includes radio
management aggregation, fast secure roaming, client tracking, and WAN link remote site
survivability.
Fast Secure Roaming
Allows authenticated client devices to roam securely from one access point to another, within
or across subnets, without any perceptible delay during reassociation. Provides support for
latency-sensitive applications such as voice over IP (VoIP), enterprise resource planning
(ERP), and Citrix.

Product Specifications

Table 2 lists product specifications for the Cisco Aironet 802.11a/b/g Wireless CardBus Adapter.
Table 2.
Product Specifications
Feature
Description
Form Factor
CardBus Type II
Interface
● 32-bit CardBus with standard 68-pin connector
● PC-Card Rev. 7.0-compliant
Data Rates Supported
1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 54 Mbps
Network Standard
IEEE 802.11a/b/g
Operating Voltage
3.3V (±0.3V)
LED
Status (green) and Activity (amber)
Media Access Protocol
Carrier-Sense Multiple Access with Collision Avoidance (CSMA/CA)
Wireless Medium
802.11g:
● Direct Sequence-Spread Spectrum (DSSS) and Orthogonal Frequency Divisional
802.11a:
● OFDM
Modulation
DSSS
● Differential Binary Phase Shift Keying (DBPSK) @ 1 Mbps
● Differential Quadrature Phase Shift Keying (DQPSK) @ 2 Mbps
● Complementary Code Keying (CCK) @ 5.5 and 11 Mbps
OFDM
● BPSK @ 6 and 9 Mbps
● QPSK @ 12 and 18 Mbps
● 16-Quadrature Amplitude Modulation (QAM) @ 24 and 36 Mbps
● 64-QAM @ 48 and 54 Mbps
Multiplexing (OFDM)
®
Software features that enhance wireless LAN client
Data Sheet
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