Low Power WiFi Module User Manual V1.3
http://www.tcp232.net
Jinan USR IOT Technology Limited.
Page 17 of 59
USR-WIFI232-G works as AP, other STA equipments are able to connect to wireless LAN via USR-
WIFI232-G module. Wireless Networking with USR-WIFI232-G is very flexible.
Notes:
AP: that is the wireless Access Point, the founder of a wireless network and the centre of the network
nodes. The wireless router we use at home or in office may be an AP.
STA: short for Station, each terminal connects to a wireless network (such as laptops, PDA and other
networking devices) can be called with a STA device.
2.1.1. Basic Wireless Network Based On AP (Infrastructure)
Infrastructure: it’s also called basic network. It built by AP and many STAs which join in.
The characters of network of this type are that AP is the centre, and all communication between STAs
is transmitted through the AP. The figure following shows such type of networking.
Figure 9. USR-WIFI232-G Basic Wireless Network Structure
2.1.2. Wireless Network Based On AP+STA
USR-WIFI232-G module support AP+STA network mode, means module support one AP interface
and one STA interface at the same time, as following figure,
Figure 10.HF-A11 AP+STA Network Structure
