The DT-5025D Communication Modules RoHS, manufactured by Dtech, is a GSM/GPRS/EDGE/. WCDMA industrial modem. It supports a full range of GSM, GPRS, EDGE, and WCDMA services, including PPP and UDP protocol communication. It is a cost-effective and reliable solution for a wide range of wireless data transmission applications, including M2M and IoT. It comes with a high level of integration, and is a compact modem that can easily be used in a variety of environments. Features include wide operating temperature range, low power consumption, low profile, and a wide range of industrial interfaces. It is designed to meet the RoHS (Restriction of Hazardous Substances) standards, ensuring protection from hazardous substances generated during manufacturing.