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RoamAbout R2 Mezzanine Special Considerations
The following information pertains to the RoamAbout R2 with the Mezzanine option
installed:
• Slot 2 does not support LAN-to-LAN Multipoint.
• If two 802.11b PC Cards are installed in the RoamAbout R2, one of the PC Cards must
be connected to the Range Extender Antenna to prevent radio interference between the
two cards. The antenna must be placed at least two feet away from the RoamAbout R2.
This is not necessary if one of the cards is connected to an outdoor antenna.
• If you have two 802.11b PC Cards installed in the RoamAbout R2, the channels
between the PC Cards must be at least 5 channels apart from each other.
Using Multiple Wireless Infrastructure Networks
Instead of creating multiple cells in a single infrastructure network, you can have separate
infrastructure networks. The advantages include:
• Preventing too many users from roaming to a particular coverage area by configuring
some users to use one network, and other users to a different network. This is a form
of load balancing.
• Creating a secure network for security-sensitive users and a general, less secure
network for other users. For example, on a college campus you can create a wireless
network that uses encryption for use by the faculty, and a wireless network that does
not use encryption for use by students.
The coverage areas of APs in different networks can overlap without interference as long
as they use different channels. If possible, have the APs use different channels that are at
least five channels apart.
Using an Outdoor Antenna
You can extend the coverage area of a wireless infrastructure network by connecting an
outdoor omni-directional (7 dBi) antenna to the AP.
Typically, you only use the omni-directional antenna in an indoor/outdoor environment,
such as in and around a warehouse. Also, the clients should be configured with the
RoamAbout Vehicle-Mount antennas.
NOTE: If you are planning to use an outdoor antenna refer to the
RoamAbout Outdoor Antenna Site Preparation and Installation Guide
for regulatory information, FCC requirements, and detailed procedures
to install outdoor antennas.
NOTE