Realize UART TTL and WIFI Two-way Transmission
USR-WIFI232-B module is an integration of 802.11 b/g/n wi-fi module,which provide a wireless interface to any equipment with a serial interface for data transfer.It has the following functions:Support IEEE802.11b/g/n Wireless Standards;Support TCP/IP/UDP Network Protocols;Support UART Data Interface;Support Work As STA/AP/AP+STA Mode. WIFI-B module has been widely applied in various fields.
Support AP+STA ModeWeb ConfigurationSmall Size
Function Features:
- Support IEEE802.11 b/g/n Wireless Standards
- Support TCP/IP/UDP Network Protocols
- Support UART/GPIO/Ethernet Data Interface
- Support Work As STA/AP Mode
- Support Router/Bridge Mode Networking
- Support Board Antenna and External Antenna Option
- Support Transparent/Agreement Transmission Mode
- Support AT+ Instruction Set for Configuration
- Support Friendly Web Congiration Page
- Single +3.3V Power Supply
- Smallest Size: 25 x 40mm
- FCC/CE Certificated
- Flexible Software Platform with Linux OS
- The Rx/Tx inputs support both 3.3v and 5v
|
Class
|
Item
|
Parameters |
| Wireless Parameters |
Certification |
FCC/CE |
| Wireless standard |
802.11 b/g/n |
| Frequency range |
2.412GHz-2.484GHz |
| Transmit Power |
802.11b: +20 dBm (Max.) |
| 802.11g: +18 dBm (Max.) |
| 802.11n: +15 dBm (Max.) |
| Configurable |
| Receiver Sensitivity |
802.11b: -89 dBm |
| 802.11g: -81dBm |
| 802.11n: -71dBm |
| Antenna Option |
External：I-PEX Connector |
| Internal：On-board chip antenna |
|
Hardware
Parameters
|
Data Interface |
UART: 1200bps - 230400bps |
| I2C: 100K-1Mbps |
| GPIOs |
| Ethernet: 100Mpbs |
| Operating Voltage |
3.3V (+/-5%) |
| Operating Current |
170mA~300mA |
| OperatingTemperature |
-10℃- 70℃ |
| Storage Temperature |
-40℃- 85℃ |
| Dimensions and Size |
25×40×8mm |
| Software Parameters |
Network Type |
Station /AP mode |
| Security Mechanisms |
WEP/WAP-PSK/WAP2-PSK/WAPI |
| Encryption |
WEP64/WEP128/TKIP/AES |
| Work Mode |
Transparent Transmission and Agreement Transmission mode |
| Serial command |
AT+instruction set |
| Network Protocol |
TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP |
| Max. TCP Connection |
32 |
| User Configuration |
Web Server＋AT command config. |
| User Application SW |
Support customized apllication SW with Linux systerm. |
System topology
1.WIFI module work as AP and STA.
2.WIFI module to extend serial transmission distance.
3.Realize Serial program remote control device by WIFI module+USR-VCOM.
Application
1.Configurable WIFI module by Webpage
2.Configurable WIFI module by Software
3.Serial and network debugging software
5.Virtual Serial Port Software(USR-VCOM)
LINK do pobrania Quick Start Guide
Link do pobrania User Manual
RE27KAT
