... bpsIndicator" Power" , " ACT" , " Online" , " ZigBee"AntennaCellular: Standard SMA female interface, 50 ohm, lighting protection(optional)ZigBee: Standard SMA female interface, 50 ohm, lighting protection ... (optional)SIM/UIMStandard 3V/1.8V user card interface, 15KV ESD protectionPowerTerminal block interface ...