... port, 15KV ESD protectionData bits: 5, 6 ,7, 8Stop bits: 1, 1.5, 2Parity: none, even, odd, space, markBaud rate: 110~230400 ... male interface, 50 ohm, lighting protection(optional)SIM/UIMStandard 3V/1.8V user card interface, 15KV ESD protectionPowerStandard 3-PIN power jack ... ~+185°F)Operating Humidity95% ( Non-condensing) quad band built-in industrial module one SIM card slot EF3423 3g wireless router