The Gsm/Gprs Modem module inside the X-Meter device allows the forwarding of E-mails and SMS associated to conditions and alarms from “field” . In addition, thanks to this module it is possible to control the X-meter device by remote modality, for data publication service via Web. Through our site www.ejhui.cn, which can be accessed at any time and in any place through Password and User-Id. This option can be activated only by means of “XM1” memory extension.