Secure Meters Ltd. Manufactures ECD 200 Modem. Secure Meters Ltd. Is an ISO: 27001 and ISO: 14000 certified company. ECD 200 is used for fast data transfer between digital energy meter and remote/ central station over GSM/ GPRS communication network. ECD 200, in conjunction with Base Computer Software [BCS], empowers utilities to get meter data and alerts automatically. The ease of its operation is of great importance, both to the utilities and their high-value consumers, for surveillance and timely bill generation. It is suitable for GSM/ GPRS based fast meter reading, for use with secure make of energy meters, Suitable for HT and LT metering installations and provide alerts to utilities for tamper events