The CB3S(tjrl) is a 24x16x2.8mm WiFi Module ROHS manufactured by TUYA. Its features include a low voltage operation, a high-speed communication rate, high integration, a wide range of applications, and good electromagnetic compatibility (EMC). It is suitable for use in security systems, communication systems, and home automation applications such as automation of lighting, air conditioning, door locks, curtains, and other home appliance control. It also integrates solutions for device access security, device management, device networking, event triggers, and more. In addition, it supports IPv4/IPv6 networks and also provides various types of communication protocol such as upnP, LwIP, ANSI, and more.