Atop Technology AW5500C User manual - Manual (Page 29)

Atop Industrial Wireless Access Point
AW5500C
User Manual V. 1.0
24
compared to the standard 20 MHz to transmit its data; this is not recommended for
802.11b/g/n since it will leave only one non-overlapping channel for other APs. HT40 (40
MHz), is recommended for 802.11a/n because it offers a wider frequency range and it is
easier for AW5500C to find empty channels as well.
Figure 4.6