802.11B Versus 802.11A Networks; Feature List - HP WL520 User Manual

802.11b versus 802.11a networks

802.11b versus 802.11a networks
802.11b versus 802.11a networks 802.11b versus 802.11a networks
The WL520 supports 802.11 wireless connectivity through the use of an 802.11a-compliant 5 GHz and 802.11b-compliant
2.4 GHz radio technology. The IEEE 802.11a standard adds support for a high-speed wireless physical layer in the 5 GHz
band using Orthogonal Frequency Division Multiplexing (OFDM). The standard requires support for data rates of 6, 12, 24,
and 54 Mbits/s. The WL520 unit supports the following data rates: 6, 9, 12, 18, 24, 36, 54 Mbits/s. The IEEE 802.11b
standard supports wireless physical layer in the 2.4 GHz band using Direct Sequence Spread Spectrum (DSSS). The standard
provides for data rates of 1, 2, 5.5, and 11 Mbits/s.
The WL520 device can be used with any combination of 802.11a and 802.11b radio cards. Note however, that only one
802.11a card with antenna adapter can be plugged into the WL520 unit at one time. You can have an 802.11a and an
802.11b card present in the WL520 device at the same time and 2.4 GHz and 5 GHz clients will be supported
simultaneously.

feature list

feature list feature list feature list
The IEEE standards that governs wireless communications are different for the 2.4 GHz band and the 5 GHz band. The table
below compares the software features supported for each type of card in the WL520 device:
fe feature feature
feature ature
Number of stations per BSS
HTTP Server
Telnet / CLI
SNMP Agent
VLAN Support (2 User VLANs)
Emergency Reset to Default Configuration
DHCP Client
DHCP Server
TFTP
RADIUS Access Control
Fallback to Primary RADIUS Server
RADIUS Session Timeout
RADIUS Multiple MAC Address Formats
RADIUS DNS Host Name Support
RADIUS Start/Stop Accounting
802.1X (EAP-MD5, EAP-TLS and EAP-TTLS)
802.1d bridging
MAC Access Control Table
Protocol Filtering
Multicast/Broadcast Storm Filtering
Proxy ARP
Configuration Support for MAC Features
ICMP Echo Response
Hardware Watchdog Timer
Roaming
Link Integrity
Automatic Channel Select
WEP
WEP Plus (Weak Key Avoidance)
WDS Relay
Remote Link Test
Link Test Responder
Medium Density Distribution
Distance between APs
Ultra High Density
Closed System
Interference Robustness
Load Balancing
2.4 ghz 2.4 ghz 5 ghz 5 ghz
2.4 ghz 2.4 ghz 5 ghz 5 ghz
(802.11b) (802.11b) (802.11a) (802.11a)
(802.11b) (802.11b) (802.11a) (802.11a)
up to 250 up to 50
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes
yes yes Key lengths supported for 802.11b: 64-bit and 128-bit
Key lengths supported for 802.11a: 64-bit, 128-bit, and 152-bit
(Note: Some products refer to 64-bit as "40-bit", 128-bit as "104-
bit", and 152-bit as "128-bit".)
yes No client support for 802.11a
yes
yes
yes No client support for 802.11a
yes
yes
yes
yes
yes
yes No client support for 802.11a
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