Product Features? Using industrial grade wireless module, strong anti-interference, transmission and stability? ARM9 industrial high-performance embedded processing? Ethernet interface built-in 1.5KV magnetic isolation protection? Metal shell, shielding electromagnetic interference? Suitable for harsh industrial environments ? machine components using industrial grade components rigorous screening indicators: LED Status Description PWR light device power off the device is not properly powered off Ethernet LAN interface is not connected to the Ethernet port is connected Flashing lights have data transceiver COMM flashes There are no data transceiver data transceiver OFF NET light device has logged off the network devices are not logged in network characterization 2.2 Technical parameters support working band UMTS / HSDPA / WCDMA 850/1900 / 2100MHz dual-band EGSM 850/900/1800 / 1900MHz Support GPRS / EDGE CLASS 12 Operating temperature normal temperature: -25 oC ~ +65 oC Extended Temperature: -30 oC ~ +75 oC supply voltage DC12V / 1A (communication average current: 300mA @ + 12VDC) Product Dimensions 155 * 97 * 25mm ( not including antenna and fixed parts) interface a 10/100 Base-T Ethernet port, Ethernet IEEE 802-3, 802-2; built-in 1.5KV magnetic isolation protection an RS232 serial port (rate: 110bps ~ 230400bps) UIM Card Interface 1.8 V / 3V / 5V standard user card interface putt RF antenna interface standard SMA female antenna connector, 50 ohm bandwidth HSDPA / HSUPA mode: downlink speeds (up to 7.2Mbps) upstream rate (up to 5.76Mbps) WCDMA Mode: downlink speeds (up to 384Kbps) upstream rate (up to 384Kbps) shell using metal weight 460g