![China [USR-WIFI232-G2a] Low power SPI/GPIO/UART TTL to 802.11b/g/n WIFI Module with onboard ante supplier](https://img.everychina.com/nimg/b4/a1/c37db5a07e4f2adc1eae8d651a85-300x300-1/usr_wifi232_g2a_low_power_spi_gpio_uart_ttl_to_802_11b_g_n_wifi_module_with_onboard_ante.jpg)

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1.Single stream WiFi @2.4GHz support for WEP security mode as well
as WPA/WPA2
2.Fully self-contained serial-to-wireless functionality.
3.Ultra-low-power operation with all kinds of power-save modes.
4.Includes all the protocol and configuration functions for Wi-Fi
connectivity.
5.Support STA/AP/AP+STA Mode
6.Support Smart Link Function
7.Support Wireless and Remote Firmware Upgrade Function
8.Support User-Defined Web Page Upload
9.Integrated chip antenna, antenna connector options.
10.Compact surface mount module 23.1mm x 32.8mm x 2.7mm.
11.Full IPv4 and IPv6 stack.
12.Low power RTOS and drivers.
13.Single supply – 3.3V operation
14.CE/FCC
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: +16 +/-2dBm (@11Mbps) | |
802.11g: +14 +/-2dBm (@54Mbps) | ||
802.11n: +13 +/-2dBm (@HT20, MCS7) | ||
Receiver Sensitivity | 802.11b: -93 dBm (@11Mbps ,CCK) | |
802.11g: -85 dBm (@54Mbps, OFDM) | ||
802.11n: -82 dBm (@HT20, MCS7) | ||
Antenna Option | External:I-PEX connector(WIFI232-T/G2/H) Internal:On-board PCB antenna(WIFI232-S/G2/H) | |
Hardware | Data Interface | UART |
PWM/GPIO(Except WIFI232-H) | ||
SPI(Reserved) | ||
Operating Voltage | 3.0~3.6V | |
Operating Current | Peak [Continuous TX]: ~200mA | |
Operating Temp. | -40c- 85c | |
Storage Temp. | -45c- 125c | |
Dimensions and Size | 22mm x 13.5mm x 2.3mm(WIFI232-S) | |
Footprint | 1x10, 2mm connector(WIFI232-T) | |
SMT(WIFI232-S/G2) | ||
Software Parameters | Network Type | STA/AP/STA+AP |
Security Mechanisms | WEP/WPA-PSK/WPA2-PSK | |
Encryption | WEP64/WEP128/TKIP/AES | |
Update Firmware | Local Wireless | |
Customization | Web Page Upgrade | |
Network Protocol | IPv4, TCP/UDP/HTTP | |
User Configuration | AT+command |