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This 802.11b/g/n module has different connectivity options, including a TTL serial port, WiFi, and ethernet for bi-directional transparent transmission. It has several functions, such as a serial server, Modbus gateway, MQTT gateway, and UART to HTTPD Client, providing quick WiFi network access for traditional serial port devices or MCU control devices. Compact and easy to install, this module is ideal for data acquisition, IoT gateway functions, and safety & security IoT applications.
Features
- Embedded Design
- UART to WIFI/ETH
- Multi Transparent Transmission Modes
- HTTPD/MQTT
- Modbus Gateway
- Host/Webpage/Serial Configuration
Specifications
| Power supply | DC 3.3V (±5%) |
| Power supply method | Pin header |
| Dimensions | |
| (L × W × H) | 25.00 x 40.00 x 8.00mm |
| Communication | |
| Ethernet | 10 / 100M auto-negotiation (Connection via pin header) |
| WIFI | 802.11b/g/n compliant |
| Serial port | |
| Embedded | UART |
| Wireless Specifications | |
| Frequency Band | 2.412 ~ 2.484 GHz |
| Wireless network | Station / AP / AP+Station Mode |
| Security mechanism | WPA-PSK / WPA2-PSK |
| Encryption type | TKIP / AES |
| Transmitting power | 802.11b: +19dBm (Max.@11Mbps) |
| 802.11g: +18dBm (Max.@54Mbps) | |
| 802.11n: +17dBm (Max.@HT20, MCS7); +17dBm (Max.@HT40, MCS7) | |
| Receiving sensitivity | 802.11b: -89dBm (@11Mbps) |
| 802.11g: -81dBm (@54Mbps) | |
| 802.11n: -73dBm (@HT20, MCS7); -71dBm (@HT40, MCS7) | |
| Serial Specifications | |
| Baudrate | 300 ~ 460800 bps |
| Parity bit | None, odd, even, mark, space |
| Data bit | 5 ~ 9 bits |
| Flow control | RTS/CTS |
| SOFTWARE | |
| Protocol | TCP / UDP / ARP / ICMP / DHCP / DNS / HTTP / MQTT |
| Configuration | Host, web browser, serial AT command |
| Communication method | TCP/IP direct communication, VCOM |
| Operating mode | Transparent transmission, serial command, HTTPD Client, Modbus TCP to Modbus RTU |
| Environment Requirements | |
| Operating temperature | -40℃ ~ 85℃ |
| Humidity range | 5% ~ 95% relative humidity |
Resources
- Product Wiki
- User Manual
Pinout
Package Contents
- 1x UART To WiFi And Ethernet Module
- 1x IPX 2.4G 2DB Antenna
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