USR-WIFI232-A2 Programmable WiFi Module, On-board Antenna
USR-WIFI232-A2 is an embedded Programmable WiFi Module, On-board Antenna, 802.11 b/g/n
- 3.3V TTL Level
- AP/STA/AP+STA
- 32 simultaneous client connections to Soft AP interface
- On-board antenna
Introduction of Serial UART WiFi Modules
USR-WIFI232-A2 is an embedded 802.11 b/g/n wifi module. It can convert UART(3.3V TTL) to WiFi or Ethernet. Module support AP(access point) mode and STA (WiFi client) mode. User can use this embedded module to realize their WiFi application speedy.
Features of Serial UART WiFi Modules
- 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
- Internal 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: 200 meters (open horizon)
Application Field of Serial UART WiFi Modules
- 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 UART WiFi Modules
Function Structure of Serial UART WiFi Modules
Networking Mode of Serial UART WiFi Modules
AP Mode
STA Mode
AP + STA Mode
Image of Serial UART WiFi Module
Specifications
| Parameter | Value |
|---|---|
| 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 |
| Antenna | Internal: on-board antenna |
| Hardware Parameter | #colspan# |
| 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/HTTP |
| Max. Client Number in TCP Server Mode | 32 |
| User Configuration | Web server+AT command config |
| Client Application Software | Clients can customize application software |