Overview of Characteristic MIPS MCU with 4MB Flash and 8MB SRAM. Run on eCos Support TCP/UDP/MQTT/HTTP/WebSocketProtocol SupportModbus TCPtoRTU,ModbusMasterFunction Support RS485 to Ethernet/Wi-Fi Conversion, Serial Speed Upto230400bps Support STA/AP/AP+STA Mode Support Router or Bridge Network Working Mode. Support 10/100M Ethernet Auto-Negotiation Support EasyConfigurationThrough a Web Interfaceor PC IOTService Tool Support Security ProtocolSuch AsTLS/AES/DES3 Support Web OTA WirelssUpgrade MultipleTypeofDifferentPowerInput Protoss-PW11-H100240VAC@5060Hz Protoss-PW11-M948VDC@1A Size:102.03x64.95x27.50mm(L x W x H)C45railinstallation Processor 160MHz Basic Frequency 448KB Flash 4MB SDRAM 8MB Operating System eCos Network Protocol TCP/UDP/MQTT/WebSocket/HTTP/Modbus TCP Security Protocol TLS v1.2 AES 128Bit DES3 Network Mode STA/AP/STA+AP Transmit Power 802.11b: +18dBm(Max.) 802.11g: +16dBm(Max.) 802.11n: +15dBm(Max.) Receive Sensitivity 802.11b: -89dBm 802.11g: -81dBm 802.11n: -71dBm Wi-Fi Security WEP64/WEP128/TKIP/ AES Port Number 1 RS485 Data Bits 78 Stop Bit 12 Check Bit NoneEvenOdd Baud Rate TTL600bps~230400 bps Flow Control No Flow control Software Xon/ Xoff flow control Configuration Web CLI XML import Telnet IOTService PC Software Size 102.03 x 64.95 x 27.50 mm Storage Temp. -45 ~ 105C 5 ~ 95% RH Input Voltage Protoss-PW21-H 100240VAC@5060Hz Protoss-PW21-M 948VDC@1A Working Current ~200mA Power