UART WiFi Modules | Serial to WiFi Modules

Price：
$

Model：
USR-WIFI232-B2

Quantity：
- +

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Product Name：UART WiFi Modules | Serial to WiFi Modules

Model：USR-WIFI232-B2

Introduction of UART WiFi Modules USR-WIFI232-B2

USR-WIFI232-B2 are UART WiFi Modules, embedded serial to 802.11 b/g/n WiFi modules with external antennas. UART WiFi Modules USR-WIFI232-B2 connect traditional serial devices and MCU controlled devices with WiFi network to realize control and management. The module has 1 Ethernet port that can realize mutual data transmission among WiFi, serial and Ethernet.

Features of UART WiFi Modules USR-WIFI232-B2

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

External 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: 280 meters (open horizon, 3dbi antenna)

Application Field of UART WiFi Modules USR-WIFI232-B2

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 Serial to WiFi Modules USR-WIFI232-B2

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

Function Structure of Serial to WiFi Modules USR-WIFI232-B2

Function Structure of Wifi Modules

Networking Mode of Serial to WiFi Modules USR-WIFI232-B2

AP Mode

Networking Mode of Wifi Modules: ap mode

STA Mode

STA Mode of M2M Wifi Modules, sta mode

AP+STA Mode

AP+STA Mode of M2M Wifi Modules, ap+sta mode

Image of Serial to WiFi Modules USR-WIFI232-B2

Images of Wifi Modules

Support PUSR Cloud

Hardware Dimensions

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	External: I-PEX connector
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

after-sale guarantee

Working Time：

Monday to Friday 8:30-18:00 in Beijing time. Message us online for a quick response when we are on-work. Or you can leave a message. Our sales will contact you as soon as possible. You can get free technical support & professional support for your project on our technical support h.usriot.com. Get in touch with us via email at sales@usriot.com. We want to help with any questions you have.

Delivery：

We will deliver goods as soon as possible after we received the order. The order generated on weekend and holidays will be handled after back. We ship the goods with the following carriers TNT, DHL, FedEx, UPS, shipping agent.

Warranty：

We provide one year's warranty of modules and two year's warranty of cellular routers, cellular modems, serial device servers for any reason. If you believe the item is defective and under warranty, please submit a Return or Exchange request on the product's support page, or contact us at support@usriot.com.

—Network Infrastructure—

● Cellular Routers

● Industrial Switches

● Industrial Wireless

—Device Networking—

● Serial to Ethernet/WiFi

● Cellular Modems

● LoRa Network

● IoT Modules

—Edge Control—

● IoT Gateways

● Open Source Gateway

Development Kits