Signal transmitting method and device and electronic equipment

The invention discloses a signal transmitting method and device and electronic equipment, and belongs to the technical field of communication. The signal transmitting method is applied to the electronic equipment, the electronic equipment comprises a tuner and a first antenna, the first antenna is electrically connected with the tuner, and the method comprises the following steps: adjusting a target parameter of the tuner under the condition that a preset condition that a target signal needs to be generated is detected, the intermodulation module is used for receiving a first signal and a second signal and controlling the intermodulation of the first signal and the second signal received by the tuner to generate the target signal, the frequency of the target signal is smaller than that of the first signal and that of the second signal, and the target signal is a signal requesting rescue or communication; and controlling the first antenna to transmit the target signal. 本申请公开了一种信号发射方法、装置及电子设备，属于通信技术领域。信号发射方法，应用