... ESD protectionData bits: 5, 6 ,7, 8Stop bits: 1, 1.5, 2Parity: none, even, odd, space, markBaud ... , lighting protection(optional)SIM/UIMStandard 3V/1.8V user card interface, 15KV ESD protectionPowerStandard 3-PIN ... host interface (reserved)Power InputItemContentStandard PowerDC 12V/1.5APower RangeDC 5~35VConsumption<450mA (12V)Physical ... -in industrial module one SIM card slot EF3423 3g wireless router