Feature:1. Supporting LTE TDD, LTE FDD, WCDMA, TD SCDMA, cellular network, also supporting specific cellular network sub type.2. Supporting RS485 to 2G, 3G and 4G data transmission, and the UART baud rate up to 460800bps.3. Supporting up to 3 channels of TCP and UDP connection, each connection supports 1400 bytes of data buffer.4. Supporting multiple working modes, including network transparent transmission mode, HTTP mode, MQTT, WebSocket, for IOTService tool, remote dynamic modification of module parameters.5. Supporting SMS AT command configuration, registration package, heartbeat package function, supports the combination of ICCID, IMEI, IMSI, software version, and cellular network connection status.6. Supporting NTP, TCP to RTU, for IOTBridge for remote control and configuration, for IOTBridge working hours, serial port, network OTA upgrade firmware.Specification:Item Type: Ethernet Serial ServerMaterial: PC + ABSModel: PG41-GL-HVoltage Input: 9-50VDCFrequency: 50/60HZ.Package List:1 x Ethernet Serial Server1 x Antenna1 x User Manual