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 |
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Q How to make a payment?
E****R 18/11/2024
A We accept various payment methods including bank transfers, credit cards, and PayPal. Please refer to our payment page during checkout for detailed instructions on how to complete your payment. If you have any questions or need assistance with payment, please contact our customer support team.
18/11/2024
Q How will the products be shipped?
T****k 16/08/2024
A We ship products through reliable courier services such as DHL, UPS, and FedEx. Shipping fees and delivery times may vary depending on the destination. You will receive a tracking number once your order has been dispatched, allowing you to track the status of your shipment. Please note that shipping times may vary based on location and availability.
16/08/2024
Q How is warranty provided?
L****Y 08/05/2024
A We offer a warranty on all of our products. The warranty period and conditions vary depending on the product category. For specific warranty information, please refer to the product page or your purchase agreement. If you encounter any issues with a product during the warranty period, please contact our customer service team with your proof of purchase, and we will guide you through the warranty claim process.
08/05/2024
