Model Number: SS8H-112701 Brand Name: SS8H-DTU Key Specifications/Special Features: Adopts highpowered MCU and embedded real time operatingsystemIntegrates all the commonly used protocols from logical linklayer to upper application layer protocols, such as TCP/UDP andmoreProvides a secure, high-speed, reliable wireless internetconnection for customersSupports RS232 that trigger DTU to be online, including SMS anddataWidely used on finance, water supply, environment-protection,electric power system, traffic monitoring and weather fields