Wi-Fi Serial Server

Wi-Fi Serial Server

Wireless communication technology especially the rise of Wi-Fi technology provides new opportunities to industrial communication application .The industrial Wi-Fi serial server products developed by the IOTWORKSHOP are designed for the specific needs of industrial users.By IEEE802.11 standard wireless technology.


  • MIPS MCU with 4MB Flash and 8MB SRAM. Run on eCos
  • Support TCP/IP/Telnet /Modbus TCPProtocol
  • Support RS232/RS422/RS485 to Ethernet/Wi-Fi Conversion, Serial Speed Upto 460800 bps
  • Support STA/AP/AP+STA Mode
  • Support Router or Bridge Network Working Mode.
  • Support 10/100M Ethernet Auto-Negotiation
  • Support Easy ConfigurationThrough a Web Interface or PC IOTManager Tool
  • Support Security ProtocolSuch AsSSL/AES/DES3
  • Support  Web OTA Wirelss Upgrade

Sizing Table

Name HF2211  >> DTU-H100  >>
Image HF2211 DTU-H100
Processor MIPS MIPS
Basic Frequency 320MHz 380MHz
Flash 4MB 1MB
Operating System eCos eCOS
Interface Standard 1 RJ45 RJ45
Rate 10/100M 10/100M
Protection 8KV Isolation 2KV electromagnetism isolation, shell insulation blocking
Network Protocol IP,TCP,UDP,DHCP,DNS,HTTP Server/Client,ARP, BOOTP, AutoIP, ICMP,Web socket, Telnet, FTP,TFTP, uPNP, NTP, SNMP,Modbus TCP IP,TCP,UDP,DHCP,DNS,HTTP,ARP,ICMP,Web socket,Httpd client
Security Protocol SSL v3 AES 128Bit DES3 Client :SSL v3(2048bit) Encryption:AES-CCMP、3DES Authentication:SHA-1、MD5、Base-64
Standard 802.11 b/g/n 802.11 b/g/n, Frequency : 2.412GHz ~ 2.484GHz
Access Terminal Quantity in AP Mode Max 32 Max. 32 STA
Transmit Power 802.11b: +20dBm(Max.) 802.11g: +18dBm(Max.) 802.11n: +15dBm(Max.) 802.11b: + 20 dBm (Max), 802.11g: +18dBm (Max), 802.11n: +15 dBm (Max), E.I.R.P. : <100 mW (include 3dBi antenna)
Receive Sensitivity 802.11b: -89dBm 802.11g: -81dBm 802.11n: -71dBm 802.11b: -89 dBm (@11Mbps, CCK) 802.11g: -81dBm (@54Mbps, OFDM) 802.11n: -71dBm (@HT20, MCS7)
Wi-Fi Security WEP64/WEP128/TKIP/ AES Encryption:TKIP、WEP(64/128bit)、WPA、WPA2、AES-CCMP Authentication:PSK
Antenna Interface 3dBi antenna SMA(female),50Ohm
Port Number 1RS232/RS485/RS422 2 (RS232+RS485)
Interface Standard RS232: DB9 RS485/RS422: 5.08mm connector RS-232:DB9 pin type, RS-485:2 wire(A+,B-)
Data Bits 8 5,6,7,8
Stop Bit 1,2 1,2
Check Bit None,Even,Odd None,Even,Odd,Space,Mark
Baud Rate TTL: 300 bps~230400bps RS-232:600 bps~230.4K bps, RS-485:600 bps ~ 230.4K bps
Flow Control No Flow control Hardware RTS/CTS、DSR/DTR Software Xon/ Xoffflow control RTS/CTS
Buffer 4K 4K
Configuration Web CLI XML import Telnet IOTManagerPC Software Built-in webpage:Http Computer set-up software Serial command: CLI Support configuration record:Log Remote Configuration:Telnet
Virtual Serial Windows, XP/Vista, 7, Server 2003/2008 Windows, XP/Vista, 7, Server 2003/2008
Size 95mm x 65mm x 25mm 84 x 84 x 25(mm)
Operating Temp. -25 ~ 85°C -25 ~ 70°C
Storage Temp. -45 ~ 105°C,5 ~ 95% RH(no condensation) -45 ~ 85°C, 5 ~ 95% RH(no condensation)
Input Voltage 5~36VDC or 9~50VDC DC 5~18V
Working Current ~200mA ~220mA
Power <700mW <1W
Warranty 1 year 1 year
Accessory 1* Power Adapter 1* Serial Cable 1* Ethernet Cable 1* WiFi Antenna 1* 5V/1A Power Adapter 1* Serial Cable 1* Ethernet Cable 1* 3dBi Antenna
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