RADIO WIRELESS MODE (ACCESS POINT MODE)

AP mode is a definite mode used on any wireless network mode. AP acts as a central node in the network and wireless signal boosters.
The IP addresses are (example) :
Router (192.168.1.1/24)
Access Point  (WAN : 192.168.1.2/24, GATEWAY : 192.168.1.1) <--> (LAN : 192.168.2.1/24)

(If LAN Access Point isn't set to DHCP)
PC (IP : 192.168.2.2/24, GATEWAY : 192.168.2.1)
Notebook (IP : 192.168.2.3/24, GATEWAY : 192.168.2.1)
Notebook (IP : 192.168.2.4/24, GATEWAY : 192.168.2.1)

(If LAN Access Point is set to DHCP)
IP PC and Notebooks obtained from DHCP LAN Access Point (it's usually must be same segment or same network with lan ip access point)