ENTES-GEM-10-GPRS-Ethernet-Modbus-Gateway-ENTES-GEM-10-P-The-ENTES-GEM-10-GPRS-Modbus-Gateway-allows-you-to-connect-to-your-devices-which-communicate-using-Modbus-protocol-via-a-GPRS-or-Ethernet-network-With-GEM-10-you-can-use-just-one-of-the-GPRS-or-Ethernet-connection-options-or-you-can-use-one-of-them-as-backup-connection-for-the-other-one-You-can-connect-up-to-32-devices-that-communicate-using-the-Modbus-protocol-P-ENTES-GEM-10-GPRS-Ethernet-Modbus-Gateway