Pressure sensor with rear Bluetooth

The pressure sensor comprises an upper cover plate and a lower cover plate, one side of the lower cover plate is provided with a Bluetooth antenna cabin, the other side of the lower cover plate is provided with an NB antenna cabin, the Bluetooth antenna cabin comprises a round head, a fixing block, a limiting block and an installation head, the inner sides of the round head, the fixing block, the limiting block and the installation head are all provided with inner cavities, and the inner cavities are communicated with the inner cavities. A Bluetooth communication antenna is arranged on the inner side of the inner cavity and fixedly connected to one end of the inner side of the round head. According to the utility model, the NB antenna cabin and the Bluetooth antenna cabin are arranged, the NB communication antenna is arranged on the inner side of the NB antenna cabin, and the Bluetooth communication antenna is arranged on the inner side of the Bluetooth antenna cabin, so that the situation of frequency band c