The WMBus data concentrator is a gateway that collects data sent by wireless M-Bus devices and retransmits it via GPRS / 4G / Nb IoT signal or through the use of the Ethernet / LAN / Wi-Fi network. The gateway supports standardised radio communication interface with meters on 169 / 433 / 868 MHz according to regional standards. The consumption data and the information sent by the radio modules, meters and distributors equipped with Wireless M-Bus interface, are collected by the WMBus data concentrator and, with programmable ping interval, sent via SMTP/UDP/CoAP/SFTP