Serial Port Server RS485 To WiFi Converter IOT Device HF2211S Support Modbus MQTT Overview of Characteristic Support802.11bgn Wireless Standard Support TCP/UDP/Telnet /Modbus TCPProtocol Support RS485 to Wi-Fi Conversion, Serial Speed Up to 230400bps Support STA/AP/AP+STA Mode Support SmartLink V8 Smart Config(Provide APP) Support Easy ConfigurationThrough Web Interfaceor PC IOTService Tool Support Security ProtocolSuch AsTLS/AES/DES3 Support WebpageOTA Wireless Upgrade Wide DC Input 5~36VDC Size: 79x53x 25mm(L x W x H) Processor Cortex-M4 SOC Basic Frequency 160MHz Flash 2MB SDRAM 352KB Operating System mbed Protection 8KV Isolation Network Protocol IP，TCP，UDP，DHCP，DNS，HTTP Server/Client，ARP, BOOTP, AutoIP, ICMP，Web socket, Telnet, uPNP, NTP, Modbus TCP Security Protocol SSL v3 AES 128Bit DES3 Standard 802.11 b/g/n Network Mode STA/AP/STA+AP Transmit Power 802.11b: +20dBm(Max.) 802.11g: +18dBm(Max.) 802.11n: +15dBm(Max.) Receive Sensitivity 802.11b: -89dBm 802.11g: -81dBm 802.11n: -71dBm Wi-Fi Security WEP64/WEP128/TKIP/ AES Antenna Interface 3dBi antenna Port Number 1 Interface Standard RS485/RS422: 5.08mm connector Data Bits 8 Stop Bit 1,2 Check Bit None，Even，Odd Baud Rate TTL: 300 bps~230400bps Flow Control No Flow control Hardware RTS/CTS、DSR/DTR Software Xon/ Xoffflow control Buffer 1K Configuration Web CLI XML import Telnet IOTManagerPC Software Virtual Serial Windows, XP/Vista, 7， Server 2003/2008 Size 79mm x 53mm x 25 mm Operating Temp. -40 ~ 85°C Storage Temp. -45 ~ 105°C，5 ~ 95% RH（no condensation） Input Voltage 5~36VDC Working Current ~200mA Power