About the Spectrum24 Wireless LAN Adapter
4 Spectrum24 Wireless LAN Adapter Users Guide
2.1 Operating Modes
The Symbol Mobile Companion utility installs with the Spectrum24 Windows
driver. Use Mobile Companion to select the operational mode, ESSID,
encryption algorithm and power consumption mode used with the
Spectrum24 adapter.
Spectrum24 LA-4121 PC Cards and LA-4123 PCI adapters support the
following operational modes:
• In Infrastructure mode, the adapter interoperates with an access point
(AP). The adapter can roam freely between access point cells in the
network or transmit and receive across subnets. Mobile Units (MUs)
appear as network nodes to other devices in the network. Infrastructure
is the adapter default mode.
• Select Ad Hoc mode to form peer-to-peer networks without access
points. Use Ad Hoc to create networks where needed within established
Spectrum24 network coverage areas. The MU starting the Ad Hoc
network (the first Spectrum24 adapter transmitting a beacon) determines
the channel and data rate used for the other Spectrum24 adapters within
the network using the same ESSID.
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