When the antenna is placed vertically, the signal in the horizontal direction around the antenna is the strongest, while the signal in the direction pointed by the antenna head is the weakest. Therefore, the antenna vertical signal of the intelligent remote control switch of 4g mobile phone is the strongest.
Intelligent remote control switch refers to a switch with the function of controlling indoor lighting. Intelligent remote control switch not only has the function of switch, but also has the function of controlling indoor lighting while replacing traditional wall switch.