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.
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)
| 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 |
4.9
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Reviews
★ ★ ★ ★ ★ 16/08/2024
Good service!
(156)
★ ★ ★ ★ ★ 23/07/2024
Good!
(982)
★ ★ ★ ★ ★ 23/07/2024
Good quality!
(982)