A novel maize variety designated PH12TP and seed, plants and plant parts thereof. The second lens group includes a plurality lenses in which the refractive index of the lens nearest to the object side is NDo, the refractive index of the lens nearest to the image-forming side is NDi, and NDo and NDi satisfy: NDi\u2212NDo>0. Another network element sets filtering information to allow only specific messages to be transferred on the communication channel. A data channel is used for receiving the emergency bulletins.