Features ????【Seamless Wireless Connectivity】Connect your devices effortlessly with this Wi-Fi-enabled serial server, eliminating transmission obstacles and ensuring stable, interruption-free data transfer. Perfect for industrial applications, home automation, and more. ????【Robust Security Features】Protect your data with advanced security protocols including TLS, AES, and DES3. With Web OTA wireless upgrades and complete data encryption, this serial server ensures the utmost security for your devices and sensitive information. ????【Versatile Network Integration】Enjoy the flexibility of multiple working modes, including STA, AP, and AP+STA, allowing easy integration with existing routers or bridge networks. Simplify product integration and streamline your operations effortlessly. ????【High-Speed Serial Communication】With support for RS485 to Ethernet/Wi-Fi conversion at speeds up to 230400 bps, this serial server enables efficient and reliable data transmission. Its professional design and sturdy construction ensure durability and stability. ????【Wide Protocol Compatibility】Seamlessly communicate using TCP, UDP, MQTT, HTTP, or WebSocket protocols. This ip serial server offers extensive compatibility, making it suitable for a wide range of applications and ensuring smooth data exchange. Feature: 1. MIPS MCU with 4MB flash memory and 8MB SRAM, which is able to run on for eCos 2. The product can support for TCP / UDP / MQTT / HTTP / WebSocket protocol 3. Support RS485 to Ethernet/Wi‑Fi conversion, the serial speed up to 230400 bps 4. Support STA / AP / AP + STA mode and support router or bridge network working mode 5. Support TLS/AES/DES3 and other security protocols, Web OTA wireless upgrade and 10/100M Ethernet auto‑negotiation 6. The product is able to support easy configuration through the web interface or PC IOT Service tool Specification: Item Type: RS485 to WIFI/Ethernet Serial Server Model: PW21-H Input Voltage: 100-240VAC Power: 10W Processor/Frequency: MIPS/320MHz Flash/SDRAM: 4MB/8MB Operating System: For ECos Ethernet Port: Port Number: 1 RJ45, 1 WAN / LAN switchable Interface Standard: 10/100 Base-T auto-negotiation Protection: 8KV isolation Transformer Integration: Network Protocol: IP, TCP, UDP, DHCP, DNS, HTTP server/client, ARP, BOOTP, AutoIP, ICMP, Web socket, Telnet, uPNP, NTP Security Protocol: TLS v1.2 AES 128 bit 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 Transmitting Power: 802.11b: +20dBm (maximum) 802.11g: +18dBm (maximum) 802.11n: +15dBm (maximum) RX Sensitive 802.11b: -89dBm 802.11g: -81dBm 802.11n: -71dBm Note: The input voltage is within the range of 9-50VDC Product Size: Approx. 64.95mm / 2.6in 97.6mm / 3.8in 34mm / 1.3in 27.5mm / 1.1in 60.95mm / 2.4in 43.89mm / 1.7in 17.6mm / 0.7in Package List: 1 x Server 1 x Antenna 1 x English User Manual Note: Input voltage is in the range of 9‑50VDC Package List 1 x Server 1 x Antenna 1 x English User Manual