- Key Switch - Industrial Router, MBNET - 4X LAN Ports - 1X WAN Port - 4G LTE with AT&T carrier support - Two SIM card slots for GSM/UMTS and LTE devices - 4 Digital Inputs, 2 Digital Outputs, 1 USB - MBCONNECT24.NET Connection - Din Rail Mounting, 24Vdc - MBCONNECTLINE Product # RKH-259 / 1.259.130.06.00