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Indoor Solutions
Outdoor Solutions
Client Cards
and Adapters
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Enterasys RoamAbout Multimode Wireless LAN Client PC Card
802.11a/b/g Compliance for Complete Interoperability
This item has been discontinued.
Discontinued Date: 7/2/2005
A RoamAbout wireless LAN is made of
two primary components: the RoamAbout
access point, a full-function switch that
connects to your wired LAN by UTP
Ethernet connections, and a wireless PC
card, which uses radio frequencies to
transmit data signals to clients working on
desktop PCs, industry-standard notebook
PCs or handheld devices.
Designed to ensure access to all the standards
the RoamAbout access point supports,
the RoamAbout multimode client PC card
enables users of IEEE 802.11a-, 802.11band
802.11g-compliant wireless products
to integrate all compliant devices easily,
providing total interoperability and making
wireless communication effortless. Clients
using the multimode PC card are able to
roam from cell to cell regardless of the
transmission frequency as long as they
are authorized users of the network.
The multimode wireless PC card has a 32-bit
CardBus interface. Compliance with 802.11a,
802.11b and 802.11g ensures throughput
of up to 54 Mbps, in addition to vendor
interoperability, seamless integration and
investment protection.
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Features & Benefits IEEE 802.11a/b/g compliant
- Up to 54 Mbps data rate for maximum throughput
- Vendor interoperability, seamless integration and investment protection
- Robust data integrity, with fall-back to lower data rates for maximum range
- Seamless roaming between frequencies for maximum flexibility
Enhanced security
- Supports 128-bit WEP
- Supports AES encryption
- Provides 802.1X user authentication with key distribution
- Enhanced access control
Multichannel roaming
- 802.11a supports up to 23 non-overlapping channels for improved mobility and performance; users will automatically stay connected (dependent on country regulations)
Convenient PC card form factor
- Compact, streamlined design with an integrated antenna
- 32-bit CardBus interface
Technical Specifications
| Technical Specifications |
| Frequency Band |
2.40-2.483 GHz; 5.15 - 5.825 GHz (depending on country) |
| Number of Selectable Sub Channels |
(subject to local regulations)
United States: 11 (802.11b/g) or 12 (802.11a)
Japan: 13 (802.11b/g) or 4 (802.11a)
APAC: country specific
Europe: 13 (802.11b/g) or country specific (802.11a)
South America: 11 (802.11b/g) or country specific (802.11a)
Canada: 11 (802.11b/g) or 12 (802.11a)
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| Bit Error Rate |
Better than 10-5 |
| Media Access Protocol |
CSMA/CA (Collision Avoidance) with ACK |
| Modulation |
11bpg DSSS (DBPSK, DQPSK, CCK)
11a OFDM - BPSK (6 & 9 Mbps), QPSK (12 & 18)
16-QAM (24 & 36) and 64-QAM (48 & 54)
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| Interface |
32-bit CardBus (PCI) Type II Extended |
| Data Rate (Automatic Rate Selection [ARS]) |
11a: 54 Mbps (with fall-back rates of 48, 36, 24, 18, 12,
9 and 6 Mbps)
11b: 11 Mbps (with fall-back rates of 5.5, 2 and 1 Mbps)
11g: 54 Mbps (with fall-back rates of 48, 36, 24, 18, 12,
9 and 6 Mbps) |
| Semi Open Office Range (100 bytes user data) |
802.11a: 25 M at 54 Mbps, 30 M at 48 Mbps and 40 M
at 36 Mbps
802.11b: 60 M at 11 Mbps, 70 M at 5.5 Mbps, 83 M at 2
Mbps and 85 M at 1Mbps
802.11g: 20 M at 54 Mbps, 25 M at 48 Mbps and 35 M
at 36 Mbps |
| Available Output Power |
802.11a FCC: 5.15-5.25 GHz, 15dBm; 5.25-5.35GHz,
18dBm; and 5.725-5.825, 17dBm
802.11a ETSI: 5.15-5.35GHz, 18dBm and 5.47-
5.725GHz, 17dBm
802.11a Japan: 5.15-5.25GHz, 18dBm
802.11b/g: 18dBm |
| Available Power Options |
Full, 50%, 25% and 12.5% |
| Receiver Sensitivity |
802.11a: -69dBm at 54 Mbps, -70dBm at 48 Mbps, -75dBm at
36 Mbps, -80dBm at 24 Mbps, -83dBm at 18 Mbps, -86dBm at
12 Mbps, -88dBm at 9 Mbps, -89dBm at 6 Mbps
802.11b: -85dBm at 11 Mbps, -87dBm at 5.5 Mbps, -88dBm at
2 Mbps, -89dBm at 1 Mbps
802.11g: -65dBm at 54 Mbps, -67dBm at 48 Mbps, -68dBm at
36 Mbps, -73dBm at 24 Mbps, -76dBm at 18 Mbps, -78dBm at
12 Mbps, -80dBm at 9 Mbps, -83dBm at 6 Mbps
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| Power Consumption PC Card |
Transmit Maximum
802.11a at 18dBm: 510mA
802.11b at 18dBm: 590mA
802.11g at 18dBm: 640mA
Transmit Typical
802.11a at 18dBm: 430mA
802.11b at 18dBm: 520mA
802.11g at 18dBm: 540mA
Receive Typical
802.11a at 18dBm: 370mA
802.11b at 18dBm: 445mA
802.11g at 18dBm: 460mA
Standby Mode
802.11a at 18dBm: 50mA
802.11b at 18dBm: 50mA
802.11g at 18dBm: 50mA
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| Operating Systems Supported |
Windows 98SE, Me, 2000, XP |
| Physical Specifications |
| Dimensions |
11.9 cm (4.69") x 5.4 cm (2.12") x 0.94 cm (.37") |
| Environmental Specifications |
| Operating Temperature |
-0° C to 70° C (32° F to 158° F) |
| Non-Operating Temperature |
-20° C to 80° C (-4° F to 176° F) |
| Operating Humidity |
95% maximum humidity, non-condensing |
| Power Supply |
3.3V power supply +/- 5% |
| Standards |
IEEE 802.11a/b/g |
| Agency and Standards Specifications |
| Safety |
UL 60950, CSA 60950, EN 60950, EN 60825 and IEC 60950
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| Electromagnetic Compatibility (EMC) |
47 CFR Parts 2 and 15, CSA C108.8, EN 555022, EN
55024, EN 61000-3-2, EN 61000-3-3, AS/NZS CISPR 22,
and VCCI V-3 |
Ordering Information
| Multimode Client PC Cards |
| RBTBG-AW |
RoamAbout 802.11 a/b/g Multimode PC Radio Card for client |
| RBTBX-PC |
RoamAbout PCI Carrier, 16 & 32 bit bus (requires a PC Radio Card) |
| RoamAbout AP 3000 |
| RBT3K-AG |
RoamAbout AP 3000 Access Point (Multiband) |
| RoamAbout R2 Access Point |
| RBT3K-AG-G |
RoamAbout AP 3000 Access Point (Multiband) (made in America for federal customers) |
| RBTR2-AB |
RoamAbout Wireless Access Platform with 120/240V AC(worldwide) |
| RBTR2-AZ |
RoamAbout R2 with Mezzanine |
| RBTRC-MZ |
RoamAbout R2 Wireless Access Platform Mezzanine adapter for an additional PC Radio Card |
| RBTBH-R2W |
RoamAbout R2 802.11a/b/g PC card for the RoamAbout R2 |
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