User guide

Beamforming provides directional
signal transmission and reception.
Previous
standards can only
Previous
standards
can
only
receive and transmit
omnidirectional signals, which are
sub
j
ect to si
g
nificant levels of
jg
interference, due to the fact that
the signals are transmitted
indiscriminately in every possible
di ti
di
rec
ti
on.
802.11n
© 2011 Cisco and/or its affiliates. All rights reserved.
Cisco Confidential
135