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LANCOM 3550 Wireless

WLAN

Frequency band 2.4 GHz or 5 GHz (EU

version)

2400 -2483.5 MHz (ISM) or 5150 -5750 MHz or 5725-5825 MHz (UK only)

Transfer rates 2.4 GHz 54 Mbps to IEEE 802.11g (fallback to 48, 36 , 24, 18, 12, 9, 6 Mbps, Automatic Rate Selection) compatible to IEEE 802.11b (11,

5,5, 2, 1 Mbps, Automatic Rate Selection), 802.11 b/g compatibility mode or pure g or pure b, Super A/G with Turbo Mode

(108Mbps), bursting, compression

Transfer rates 5 GHz 54 Mbps to IEEE 802.11a/h (fallback to 48, 36 , 24, 18, 12, 9, 6 Mbps, Automatic Rate Selection), Super A/G with Turbo Mode

(108Mbps), bursting, compression, fully compatible with TPC (adjustable power output) and DFS (automatic channel selection,

radar detection) according to ETSI regulations

Range * Up to 150 m (up to 30 m in buildings) *

Maximum transmission power 2.4 GHz 802.11b: +19dBm @ 1 and 2Mbps, +19dBm @ 5.5 and 11Mbps

Maximum transmission power 2.4 GHz 802.11g: +19dBm @ 6Mbps, +14dBm @ 54Mbps

Maximum transmission power 5 GHz 802.11a/h: +18dBm @ 6Mbps, +12dBm @ 54Mbps with automatic transmission power control (TPC) and manual power settings

Minimum transmission power Transmission-power reduction in software by 1dB steps to min. 0.5 dBm

Reception sensitivity 2.4 GHz 802.11b: -87dBm @ 11Mbps, -94dBm @ 1Mbps

Reception sensitivity 2.4 GHz 802.11g: -87dBm @ 6Mbps, -70dBm @ 54Mbps

Reception sensitivity 5 GHz 802.11a/h: -87dBm @ 6Mbps, -67dBm @ 54Mbps

Radio channels 2.4 GHz Up to 13 channels, max. 3 non-overlapping (2.4-GHz band)

Radio channels 5 GHz Up to 19 non-overlapping channels (5 Ghz band) with automatic dynamic channel selection (DFS)

Roaming Seamless handover between radio cells, IAPP support, IEEE 802.11d support

WPA2 fast roaming Pre-authentication and PMK caching for fast 802.1x authentication

Fast client roaming With background scanning, mobile access points in client mode can switch to alternative access points which offer a better

signal before the connection to the first access point fails

VLAN Support of up to 4094 VLAN IDs for WLAN connections, 32 simultaneously usable VLAN tags for 802.11x clients

Multi SSID Simultaneous use of up to 8 independent WLAN networks per WLAN interface

Security IEEE 802.11i / WPA2 with passphrase or 802.1x and hardware-accelerated AES, closed network, WEP64, WEP128, WEP152,

access control lists, RADIUS client, user authentication, 802.1x /EAP

RADIUS server Integrated RADIUS server for MAC address list management

Quality of Service Support of Wireless Multimedia Extensions (WME, integral to IEEE802.11e), for example for prioritization of voice clients

Bandwidth limitation Each WLAN client (MAC address) can be assigned maximum transmit and receive rates and an individual VLAN ID

Background scanning The detection of rogue access points and the channel properties is carried out almost unnoticeably for all WLAN channels during

normal AP operation.

Client detection Rogue WLAN client detection based on probe requests

802.1x supplicant Authentication of an access point in WLAN client mode at another access point via 802.1X (EAP-TLS, EAP-TTLS and PEAP)

Notice * The effective distance and transmission rate that can be achieved are depending of the given building conditions.

WLAN operating modes

WLAN access point Infrastructure mode

WLAN bridge Point-to-multipoint connection of up to 7 Ethernet LANs (mixed operation optional), broken link detection, blind mode, up to

32 VLANs simultaneously for WLAN connections

WLAN router Use of the LAN connector for simultaneous DSL over LAN, IP router, NAT/Reverse NAT (IP masquerading) DHCP server, DHCP

client, DHCP relay server, DNS server, PPPoE client (incl.Multi-PPPoE), PPTP client and server, NetBIOS proxy, DynDNS client,

NTP, port mapping, policy-based routing based on routing tags, tagging based on firewall rules, dynamic routing with RIPv2,

VRRP, spanning-tree protocol to support redundant routes in Ethernet networks

WLAN client Transparent WLAN client node for wireless Ethernet extensions, e.g. connecting PCs or printers by Ethernet; up to 64 MAC

addresses

Routing functions

Router IP and NetBIOS/IP multi-protocol router

HTTP HTTP and HTTPS server for configuration by web interface

DNS DNS client, DNS server, DNS relay, DNS proxy and dynamic DNS client

DHCP DHCP client, DHCP relay and DHCP server with autodetection

NetBIOS NetBIOS/IP proxy

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