Cortex-M3 MCU with 2MB Flash and 128KB SRAM Use FreeRTOS Operation System Support TCP/UDP/MQTT/HTTP/WebSocket Protocol Support Modbus TCP to RTU, Modbus Master Function Support RS485 To 10/100M Ethernet Conversion, Serial Speed Up to 460800 bps Support 10/100M Ethernet Auto-Negotiation Support Webpage Easy Configuration or PC IOTService Tool Support Security Protocol Such As AES/DES3 Support Heartbeat and Resister Packet Function Support Webpage OTA Wireless Upgrade Support Industrial Temperature:-40 to +85 Multiple Type of Different Power Input: Protoss-PE11-H:100-240VAC@50-60Hz Protoss-PE11-M:9-48VDC@1A Work Temp:-40-85 Network Transformer:Integrated Processor:Cortex-M3 Basic Frequency:96MHz Flash:2MB SDRAM:128KB Operating System:FreeRTOS Ethernet:1 Interface Standard:10/100M Base-T Auto-Negotiation Network Protocol:IP, TCP, UDP, DHCP, DNS, HTTP Server/Client, ARP, AutoIP, ICMP, Telnet, NTP, Modbus TCP Security Protocol:TLS 1.2 AES 128Bit DES3 Port Number:EE10:1 RS232 EE11:1 RS485 Data Bits:5,6,7,8 Stop Bit:1,2 Check Bit:None,Even,Odd Baud Rate:TTL:600 bps-460800bps Flow Control:No Flow Control Half Flow Control(RS485) Software Xon/ Xoff flow control Storage Temp:-45- 105,5 - 95% RH Input Voltage:Protoss-PE11-H:100-240VAC@50-60Hz Protoss-PE11-M:9-48VDC@1A Power:Less than 400mW Colour:White Material:Plastic Size:97.60 x 64.95 x 27.50 mm (L x W x H),C45 rail installation Package Contents: 1 * DIN-Rail Serial Server Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.