IoT Hub provides features such as device management, device shadow, messaging, firmware update, and connection with Tencent Cloud services. As a message channel, it can be flexibly accessed by devices. Plus, it connects a wide variety of Tencent Cloud components to create full-stack services for message acquisition, storage, and computation.
For more information on the use limits of IoT Hub, please see Use Limits.
Both message queue and rule engine forwarding can forward messages to the specified Tencent Cloud components, but they differ in the dimensions of forwarding, message filtering, and message format requirements.
No. Currently, IoT Hub focuses on feature components at the IoT platform layer but does not provide application capabilities. You need to build an application server by yourself and develop the corresponding mobile application or directly use IoT Explorer, which provides the application development capabilities.