Low power WIFI module user manual
Jinan USR IOT Technology Limited
Page 18/72
2. FUNCTIONAL DESCRIPTION
2.1.
Wireless Networking
USR-WIFI232-T module can be configured as both wireless STA and AP base on
network type. Logically there are two interfaces in USR-WIFI232-T. One is
for STA, and another is for AP. When USR-WIFI232-T works as AP, other STA
equipments are able to connect to wireless LAN via USR-WIFI232-T module.
Wireless Networking with USR-WIFI232-T is very flexible.
Notes
:
AP
: that is the wireless Access Point, the founder of a wireless network
and the center 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 center, and all
communication between STAs is transmitted through the AP. The figure
following shows such type of networking.
Figure 7.
USR-WIFI232-T Basic Wireless Network Structure
2.1.2. Wireless Network Based On AP+STA
USR-WIFI232-T module support AP+STA network mode, means module support one
AP interface and one STA interface at the same time, as following figure,
