Cisco Aironet Air-PI121AG-E-K9 - 802.11A/B/G Wireless PCI Adapter WLAN

Podrzava 2.4- and 5-GHz

The Cisco® Aironet® 802.11a/b/g Wireless PCI Adapter provides high-performance 54-Mbps connectivity in the 2.4- and 5-GHz bands.

AIR-PI21AG-A-K9 Specifications
Technical Information
•Wi-Fi Standard: IEEE 802.11a/b/g
•ISM Band: Yes
•UNII Band: Yes
•ISM Minimum Frequency: 2.40 GHz
•ISM Maximum Frequency: 2.49 GHz
•UNII Minimum Frequency: 5.15 GHz
•UNII Maximum Frequency: 5.85 GHz
•Number of Antennas: 1
•Antenna Gain: 1 dBi
•Antenna Type: Dual Band Antenna
•Indoor Antenna Range: 410 ft
•Outdoor Antenna Range: 2000 ft
•Wireless Transmission Speed: 54 Mbps
•Wireless Security:
Authentication:

•802.1X support, including Cisco LEAP, EAP-FAST, PEAP-GTC, PEAP-MSCHAPv2), and EAP-TLS to yield mutual authentication and dynamic per-user, per-session encryption keys (WPA and WPA2)
•MAC address and standard 802.11 authentication mechanisms
•Encryption:

•AES-Counter Mode with Cipher Block Chaining Message Authentication Code Protocol (CCMP) encryption (WPA2)
•TKIP encryption enhancements: key hashing (per-packet keying), message integrity check (MIC), and broadcast key rotation via Cisco TKIP or WPA TKIP
•Support for static and dynamic IEEE 802.11 WEP keys of 40 and 128 bits
Interfaces/Ports
•Host Interface: PCI
Physical Characteristics
•Width: 4.7"
•Weight (Approximate): 1.92 oz
Miscellaneous
•Package Contents:
•Aironet 802.11a/b/g Low Profile Wireless PCI Adapter
•1-dBi gain antenna
•2-Meter Antenna Cable
•Antenna base
•Low-profile bracket
•2 x mounting screws
•2 x plastic wall anchors
•Additional Information:
•Operating Voltage: 3.3V (±0.3V)
•Regulatory domain: America
•Compatibility:

•Microsoft Windows XP
•Microsoft Windows 2000
•LED:

•Status (green)
•Activity (amber)
•Receiver Sensitivity 802.11a (typical):

•5.150 to 5.250 GHz:
•
•-87 dBm @ 6 Mbps, -87 dBm @ 9 Mbps, -87 dBm @ 12 Mbps, -87 dBm @ 18 Mbps, -82 dBm @ 24Mbps, -79 dBm @ 36 Mbps, -74 dBm @ 48 Mbps, -72 dBm @ 54 Mbps
•5.250 to 5.350 GHz:
•
•-89 dBm @ 6 Mbps, -89 dBm @ 9 Mbps, -89 dBm @ 12 Mbps, -85 dBm @ 18 Mbps, -82 dBm @ 24 Mbps, -79 dBm @ 36 Mbps, -74 dBm @ 48 Mbps, -72 dBm @ 54 Mbps
•5.725 to 5.805 GHz:
•
•-84 dBm @ 6 Mbps, -84 dBm @ 9 Mbps, -84 dBm @ 12 Mbps, -83 dBm @ 18 Mbps, -82 dBm @ 24 Mbps, -79 dBm @ 36 Mbps, -72 dBm @ 48 Mbps, -65 dBm @ 54 Mbps
•5.470 to 5.725 GHz:

•-87 dBm @ 6 Mbps, -87 dBm @ 9 Mbps, -87 dBm @ 12 Mbps, -87 dBm @ 18 Mbps, -82 dBm @ 24 Mbps, -79 dBm @ 36 Mbps, -74 dBm @ 48 Mbps, -72 dBm @ 54 Mbps

•Certifications & Standards:
•Cisco Compatible Wireless (based on Cisco Compatible Extensions v1.0 and v2.0)
•Wi-Fi
•WHQL
•FCC Bulletin OET-65C
•RSS-102
•IEEE:

•802.11a
•802.11b
•802.11g
•802.11i
•802.1X

Whether configured to support single 802.11b coverage, single 802.11g coverage, single 802.11a coverage, dualmode
802.11a/g coverage, or trimode 802.11a/b/g coverage, the Cisco Aironet 802.11a/b/g Wireless PCI Adapter is
Wi-Fi compliant and combines the freedom of wireless connectivity with 802.11i/ Wi-Fi Protected Access 2 (WPA2)
encryption for the performance, security, and manageability that businesses require (Figure 1).
The low-profile form factor and two-meter cable length provide significant flexibility for installation in low-profile
devices, such as slim desktops and point-of-sale (POS) devices. For versatility, both a low profile and a standard
profile bracket frame are included with the adapter. The attached dual-band, 2.4/5-GHz, 1-dBi effective gain antenna
has a two-meter cable that enables optimal placement for maximum performance.

The Cisco Aironet 802.11a/b/g Wireless PCI Adapter supports the most common 802.1X authentication types,
including EAP-Flexible Authentication via Secure Tunneling (EAP-FAST), Cisco LEAP, EAP-Transport Layer
Security (EAP-TLS), Protected Extensible Authentication Protocol-Generic Token Card (PEAP-GTC), and PEAPMicrosoft
Challenge Handshake Authentication Protocol version 2 (PEAP-MSCHAPv2). A wide selection of RADIUS
servers, such as the Cisco Secure Access Control Server (ACS) and Cisco Access Registrar server, can be used for
enterprise-class centralized user management that includes:
● Strong, mutual authentication to help ensure that only legitimate clients associate with legitimate and
authorized network RADIUS servers via authorized access points
● Dynamic per-user, per-session encryption keys that automatically change on a configurable basis to protect
the privacy of transmitted data
● Stronger encryption keys provided by Temporal Key Integrity Protocol (TKIP) enhancements such as
message integrity check (MIC), per-packet keys via initialization vector hashing, and broadcast key rotation
● RADIUS accounting records for all authentication attempts
● IEEE 802.11i/WPA2 AES support
For more information on wireless security, visit http://www.cisco.com/go/securewireless.

http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-802-11a-b-g-pci-wireless-lan-client-adapter-pi21ag/product_data_sheet09186a00801ebc33.html

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