Description
| For Downloads | Data Sheet – User Manual – Other Documents – Certificates | |
| Setup Software | Testing Software | |
| For Purchase | Call / WhatsApp / Telegram: +91 8148834200 | |
| For Technical Support | Call / WhatsApp / Telegram: +91 8148834211 | |
PARAMETERS
| 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 | 24 |
| User Configuration | Web server+AT command config |
| Client Application Software | Clients can customize application software |
Introduction of UART WiFi Modules USR-WIFI232-B2
USR-WIFI232-B2 is an embedded 802.11 b/g/n UART WiFi module. It can connect traditional serial device and MCU controlled device with wifi network to realize control and management.The module has an Ethernet port. It 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 Structure of Serial to WiFi Modules USR-WIFI232-B2
Networking Mode of Serial to WiFi Modules USR-WIFI232-B2
AP Mode
STA Mode
AP+STA Mode
Image of Serial to WiFi Modules USR-WIFI232-B2
