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Home / Products / WiFi Modules / Embedded WiFi Modules | Embedded wireless Device Servers
Home / Products/ WiFi Modules / Embedded WiFi Modules | Embedded wireless Device Servers
Embedded WiFi Modules
  • Embedded WiFi Modules
  • Embedded WiFi Modules
  • Low Cost WiFi Modules
  • Low Cost WiFi Modules

USR-WIFI232-A2

USR-WIFI232-A2

Embedded WiFi Modules | Embedded wireless Device Servers

Embedded WiFi Modules | Embedded wireless Device Servers


USR-WIFI232-A2 are low cost embedded 802.11 b/g/n WiFi modules which can convert UART(3.3V TTL) to WiFi or Ethernet. Embedded 802.11 b/g/n WiFi Modules USR-WIFI232-A2, On-board Antenna, 802.11 b/g/n, convert UART(3.3V TTL) to WiFi or Ethernet.

● Embedded wireless Device Servers ● Supports TCP server/client, UDP server/client, https client, Virtual COM
● Supports Modbus RTU to Modbus TCP
● Supports multiple networking mode with 1 RJ45 ethernet port
● AP/STA/AP+STA
● 32 simultaneous client connections to Soft AP interface

USR-WIFI232-A2 are low cost embedded 802.11 b/g/n WiFi modules which can convert UART(3.3V TTL) to WiFi or Ethernet. Embedded WiFi modules USR-WIFI232-A2 support AP(access point) mode and STA (WiFi client) mode. User can use this embedded module to realize their WiFi application speedy.

 

Features of Cost-effective WiFi Modules USR-WIFI232-A2 

Support 802.11b/g/n wireless standard

Support TCP/IP/UDP network protocol

Support UART/GPIO/Ethernet data interface

Support work as STA/AP/AP+STA mode

Support router and bridge mode

Internal antenna

Support transparent transmission mode

Provide AT+ instruction set for configuration

Provide friendly web configuration page

Support heartbeat signal and wifi connection indication

Support UART auto-frame function

3.3V power supply

Max transmission distance: 200 meters (open horizon)

 

Application Field of Embedded WiFi Modules USR-WIFI232-A2 

WiFi remote control and monitoring, TCP/IP and WiFi coprocessor

WiFi remote control toy such as aircraft and cars

WiFi Internet radio, camera, digital photo frame

Medical instrument, data acquisition, handheld device

WiFi fatness testing machine, smart card terminal, Smart Home

Instrument, equipment parameter monitoring, wireless POS machine

Modern agriculture, military field and other wireless related secondary development applications

 

Function Chart of Embedded WiFi Modules

Function Chart of Serial UART WiFi Modules, which can realize mutual data transmission among wifi, serial and ethernet

 

Function Structure of Serial UART WiFi Modules

Function Structure of Serial UART WiFi Modules

 

Networking Mode of Embedded WiFi Modules

AP Mode

AP Networking Mode of WiFi Modules

 

STA Mode

STA Mode of WiFi Modules

 

AP+STA Mode

AP+STA Mode of WiFi Modules

 

Image of Low Cost WiFi Modules USR-WIFI232-A2 

images of serial UART WiFi Modules

 

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Introduction of Embedded WiFi Modules USR-WIFI232-A2 

USR-WIFI232-A2 are low cost embedded 802.11 b/g/n WiFi modules which can convert UART(3.3V TTL) to WiFi or Ethernet. Embedded WiFi modules USR-WIFI232-A2 support AP(access point) mode and STA (WiFi client) mode. User can use this embedded module to realize their WiFi application speedy.

 

Features of Cost-effective WiFi Modules USR-WIFI232-A2 

Support 802.11b/g/n wireless standard

Support TCP/IP/UDP network protocol

Support UART/GPIO/Ethernet data interface

Support work as STA/AP/AP+STA mode

Support router and bridge mode

Internal antenna

Support transparent transmission mode

Provide AT+ instruction set for configuration

Provide friendly web configuration page

Support heartbeat signal and wifi connection indication

Support UART auto-frame function

3.3V power supply

Max transmission distance: 200 meters (open horizon)

 

Application Field of Embedded WiFi Modules USR-WIFI232-A2 

WiFi remote control and monitoring, TCP/IP and WiFi coprocessor

WiFi remote control toy such as aircraft and cars

WiFi Internet radio, camera, digital photo frame

Medical instrument, data acquisition, handheld device

WiFi fatness testing machine, smart card terminal, Smart Home

Instrument, equipment parameter monitoring, wireless POS machine

Modern agriculture, military field and other wireless related secondary development applications

 

Function Chart of Embedded WiFi Modules

Function Chart of Serial UART WiFi Modules, which can realize mutual data transmission among wifi, serial and ethernet

 

Function Structure of Serial UART WiFi Modules

Function Structure of Serial UART WiFi Modules

 

Networking Mode of Embedded WiFi Modules

AP Mode

AP Networking Mode of WiFi Modules

 

STA Mode

STA Mode of WiFi Modules

 

AP+STA Mode

AP+STA Mode of WiFi Modules

 

Image of Low Cost WiFi Modules USR-WIFI232-A2 

images of serial UART WiFi Modules

 

Wireless Parameters  
Certification FCC/CE
Wireless Standard 802.11 b/g/n
Frequency Range 2.412GHz-2.484GHz
Transmit Power 802.11b: +20dBm (Max.)
802.11g: +18dBm (Max.)
802.11n: +15dBm (Max.)
Configurable
Receive Sensitivity 802.11b: -89dBm
802.11g: -81dBm
802.11n: -71dBm
Antenna Internal: on-board antenna
Hardware Parameter  
Data Interface UART: 300bps~460800bps
Ethernet: 10Mbps/100Mpbs
GPIOs
Working Voltage 3.3V (+/-5%)
Working Current AP: 169mA (average), 305mA (peak)
STA: 164mA (average), 197mA (peak)
Working Temp. -40°C ~ 85°C
Storage Temp. -40°C- 125°C
Size 25mm x 40mm x8mm
Software Parameter  
Wireless Network Type Station/AP mode
Security Mechanism WEP/WPA-PSK/WPA2-PSK
Encryption Type WEP64/WEP128/TKIP/AES
Work Mode Transparent transmission mode, serial command mode
Setting Command AT+ instruction set
Network Protocol TCP/UDP/ARP/ICMP/DHCP/DNS/https
Max. Client Number in TCP Server Mode 32
User Configuration Web server+AT command config
Client Application Software Clients can customize application software

 

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