A multiway switch, a radio frequency system, and a wireless communication device are provided. The multiway switch includes twelve throw (T) ports and four pole (P) ports. The twelve T ports include four first T ports and each first T port is coupled with all of the four P ports. The multiway switch is configured to be coupled with a radio frequency circuit and an antenna system of an electronic device operable in a dual-frequency dual-transmit mode, to enable a preset function of the electronic device, the antenna system includes four antennas corresponding to the four P ports, and the preset function is a function of transmitting a sounding reference signal (SRS) through the four antennas in turn.
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