Among the following options, the description of the Huawei Lighting IoT solution is wrong ().
A . The network layer is connected to the IoT gateway through RFMesh technology for data back transmission
B . Perception layer uses external street light controller AR501L1Rc
C . The platform layer adopts the Huawei OceanConnect platform based on AgileController
D . The application layer performs data statistics and monitoring operation and maintenance through the CityConnect platform