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WiFi
RS232 TO WIFI Solution(HLK-WIFI-M04 )

      HLK-WIIF-M04 is the new third-generation embedded Uart-Wifi modules studied by Shenzhen Hi-Link ElectronicTechnology co.,Ltd

Uart-Wifi is an embedded module based on the Uart serial,according with the WiFi wireless WLAN standards, It accords with IEEE802.11 protocol stack and TCP / IP protocol stackand it enables the data conversion between the user serial and the wireless network module. through the Uart-Wifi module, the traditional serial devices can easily access to the wireless network.

HLK-WIIF-M04 does a comprehensive hardware and software upgrades based on the products of the first two generations,now it’s more functional and more Convenient to use,its main features include,

       Support transparent transmission of serial completely,and achieve a plug and play serial.

       Support new AT+instruction set,Which is all based on ASCII format, it’s simple to use and pellucid.

       Support more perfect TCP/IP protocol tack, support DHCP protocol for dynamicassignation of IP address and DNS domain name parsing.

       Embed WEB server, and achieve the long-range parameters configur -ation through wireless network with IE browser.

       Support more prefect transmission performance,the maximum sending rate can reach to 11KB/s.

Characteristic

Interface

       RS232(DB9 Male)

       The range of baud rate: 1200~ 115200bps

       single 5V power supply

Wireless

       support IEEE802.11b/g wireless

standards

       support the range of frequency: 2.412~2.484 GHz

       support two types of wireless

networks:

Ad hoc and Infrastructure

       support multiple security authenti- cation mechanisms:

WEP64/WEP128/ TKIP/CCMP(AES)

WEP/WPA-PSK/WPA2-PSK

       support quick networking

       support wireless roam

Others

       support multiple network protocols:

TCP/UDP/ICMP/DHCP/DNS/HTTP

       support two types of work modes:

  auto and command

       Support transparent transmission

mode

       support AT+ instruction set

       support a variety of parameters configuration methods:

  serial/WEB server/wireless conn- ection

Application

       intelligent bus network, such as wireless credit card machine

       small financial payment network, such as wireless POS machine

       industrial equipment networking, such as wireless sensor

       things

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