Avaya AP-6 - Manual (Page 142)

Interfaces
4-44 Avaya Wireless AP-4/5/6 User’s Guide
Figure 4-7. 1 Mbits/s and 11 Mbits/s Multicast Rates
NOTE:
There is an inter-dependent relationship between the Distance
between APs and the Multicast Rate. In general, larger systems
operate at a lower average transmit rate. The variation between
11 Mbits/s
1 Mbit/s