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