3Com 3Com SuperStack 3 Switch 4900 Family Instrukcja obsługi produktu - Strona 13
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3Com Wireless Solutions
3Com Bluetooth Products
Wireless Bluetooth technology delivers untethered connections
among PCs, handhelds, mobile phones, printers, and a host of
other Bluetooth-enabled devices.
PRODUCT
3Com Wireless Bluetooth PC Card with XJACK Antenna
3Com Wireless Bluetooth USB Adapter
3Com Wireless LAN Antennas and Cables
Antennas increase the coverage of the Wireless LAN bridges and 3Com Wireless LAN 7250, 8250, and 8750. Antenna cables offer length
options. Cable adapter attaches a wireless LAN workgroup bridge to an external antenna.
PRODUCT
3Com 2.5 dBi Ceiling Mount Omnidirectional Antenna
3Com 4.0 dBi Hallway Bidirectional Antenna
3Com 8.0 dBi Sector-Panel Antenna
3Com 4 dBi Omnidirectional Antenna
3Com 13 dBi Sector Panel Antenna
3Com 18 dBi Sector Panel Antenna
3Com 8 dBi Omnidirectional Antenna
Understanding Wireless LAN Standards
Proliferation of wireless standards can be confusing. This quick
guide will help you choose between a, b, and g standards.
• 802.11g and 802.11a products provide speeds up to 54 Mbps,
almost five times faster than 802.11b products and perfect for
high-bandwidth applications; products that support Super A/G
Turbo provide speeds up to 108 Mbps
• 802.11g products offer high-speed wireless connections
and are also backward compatible with 802.11b products,
preserving existing 802.11b investments
STANDARD
Speeds up to 11 Mbps
802.11a
802.11b
802.11g
*
Or 108 Mbps if Super A/G Turbo is supported
3Com Wireless Bluetooth
USB Adapter
3Com Wireless Bluetooth PC Card
with XJACK Antenna
Order
Physical and User-Level
Number
Authentication
3CRWB6096B
3CREB96B
Order
Number
3CWE492
3CWE497
3CWE498
3CWE490
3CWE495
3CWE496
3CWE491
Speeds up to 54 Mbps*
✓
✓
✓
✓
✓
3Com Wireless Bluetooth PC Card with XJACK Antenna
• For connections between notebook PCs and other Bluetooth
devices, as well as "light" network access
• Securely share files with other Bluetooth PCs, synchronize
handhelds, connect to the LAN through a Bluetooth access
point, or dial up the network with a Bluetooth cell phone
3Com Wireless Bluetooth USB Adapter
• Share files with other Bluetooth PCs with point-and-click ease
• Synchronize PCs and handhelds with the push of a button or
jump on the Internet or network through a Bluetooth access
point, or using a Bluetooth phone
128-bit Encryption
Ad Hoc Support
✓
✓
✓
✓
PRODUCT
3Com Omnidirectional Workgroup Bridge Antenna
3Com Workgroup Bridge SMA Cable Adapter
3Com 6-Foot Antenna Cable
3Com 20-Foot Antenna Cable
3Com 50-Foot Antenna Cable
• 802.11b products are the most widely sold and have
a large installed base. They provide speeds up to 11 Mbps
• 802.11a products offer high speed and operate at the less
crowded 5 GHz frequency, but they are not compatible with
legacy 802.11b networks or 802.11g networks
2.4 GHz Frequency
5 GHz Frequency
✓
✓
✓
3COM PRODUCT GUIDE FOR SMALL AND MEDIUM ENTERPRISES
Drag-and-Drop
Simple Device
File Transfer
Synchronization
✓
✓
✓
✓
Compatible Standards
802.11a
802.11b
802.11g/802.11b
✓
✓
Order
Number
3CWE483
3CWE486
3CWE480
3CWE481
3CWE482
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