DC5~36V Serial Port RS485 To WiFi Server Converter IOT Module Elfin-EW11A Support TCP/IP Telnet Modbus MQTT The Elfin-EW1Xunit is a complete solution for serial port device connecting to network.This powerful device supports a reliable and proven operating system stored in flash memory, an embedded web server, a full TCP/IP protocol stack, and standards-based (AES) encryption. Elfin-EW1X serial server for data transfer via Wi-Fi, which makes the datatransformationvery simple. Overview of Characteristic: Support802.11bgnWireless Standard Support TCP/UDP/Telnet /Modbus TCP Protocol Support RS485to Ethernet/Wi-Fi Conversion, Serial Speed Up to460800bps Support STA/AP/AP+STA Mode Support Smartlink V8 Smart Config(Provide APP) Support Easy Configuration Through Web Interfaceor PC IOT Service Tool Support Security Protocol Such As TLS/AES/DES3 Support Web OTA Wireless Upgrade SupportInternal PCB Antenna Wide DC Input 5~36VDC Size:61x26x17.8mm (L x W x H) FCC/CE/SRRCCertificated What is the difference between EW11A and EW11A0? EW11A : The antenna is built-in the pcb board EW11A0 : Have an external antenna Item Parameters System Information Processor/Frequency 160MHz Flash/SDRAM 2MB/448KB Operating System mbed Protocol Network Protocol IP，TCP，UDP，DHCP，DNS，HTTP Server/Client，ARP, BOOTP, AutoIP, ICMP，Web socket, Telnet, uPNP, NTP, Modbus TCP Security Protocol TLS v1.2 AES 128Bit DES3 Wi-Fi Interface Standard 802.11 b/g/n Frequency 2.412GHz-2.484GHz Network Mode STA/AP/STA+AP Security WEP/WPAPSK/WPA2PSK Encryption WEP64/WEP128/TKIP/ AES Tx Power 802.11b: +18dBm(Max.) 802.11g: +16dBm(Max.) 802.11n: +15dBm(Max.) Rx Sensitive 802.11b: -89dBm 802.11g: -81dBm 802.11n: -71dBm Antenna Internal:PCB Serial Port 1 RS485 Data Bits 7,8 Stop Bit 1,2 Check Bit None,Even,Odd Baud Rate TTL: 600 bps~460800bps Flow Control No Flow control Software Xon/ Xoffflow control Software Web Pages Http Web Configuration Customization of HTTP Web Pages Configuration Web CLI XML import Telnet IOTServicePC Software Basic Parameter Size 61 x26x 17.8 mm Operating Temp. -40 ~ 85°C Storage Temp. -45 ~ 105°C, 5 ~ 95% RH（no condensation） Input Voltage 5~36VDC Working Current ~200mA Power