US Patent 10389401 Multi-way switch, radio frequency system, and wireless communication device

A multi-way switch, a radio frequency system, and a wireless communication device are provided. The multi-way switch includes six T ports and four P ports. The six T ports include two first T ports and each of the two first T ports is coupled with all of the four P ports. The two first T ports support only a transmission function. The multi-way switch is configured to be coupled with a radio frequency circuit and an antenna system of a wireless communication device operable in a dual-frequency dual-transmit mode. The antenna system includes four antennas corresponding to the four P ports.