1For CortexM3 MCU with 2MB flash memory and 128KB SRAM, using for FreeRTOS operating system 2Support TCP / UDP / MQTT / HTTP / WebSocket protocol with stable performance 3Support RS485 to 10/100M Ethernet conversion, the serial speed can be up to 460800 bps 4Support 10/100M Ethernet autonegotiation and heartbeat and relay packet function 5The connecting part has good contact performance, ensure stable working, support web OTA wireless upgrade Item Type: RS485 to WIFI Serial server Material: PC + ABS Voltage Input: 100-240VAC Frequency: 50/60HZ Processor/Frequency: For Cortex-M3 / 96MHz Flash/SDRAM: 2MB/128KB Operating System: For FreeRTOS Ethernet Port:Port Number: 1 Interface Standard: 10/100 Base-T auto-negotiation Transformer Integration:Network Protocols: IP, TCP, UDP, DHCP, DNS, HTTP server/client, ARP, AutoIP, ICMP, Telnet, NTP Security Protocol: AES 128Bit DES3 Serial Port:Port Number: 1 RS485 Data Bits: 5, 6, 7, 8 Stop Bit: 1,2 Parity: None, even, odd Baud Rate: TTL: 600 bps~460800 bps Flow Control: No flow control software Xon / Xoff flow control Software:Web Page: Http Web configuration Customization: HTTP web page Configure Website: Web page, command line interface, XML import 1 x Serial Server1 x English User ManualThe voltage is in the range of 110240VAC, if the voltage exceeds the voltage value, it is easy to burn the product.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.