Invention Publication
- Patent Title: RADIO FREQUENCY MODULE AND COMMUNICATION DEVICE
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Application No.: US18159196Application Date: 2023-01-25
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Publication No.: US20230171079A1Publication Date: 2023-06-01
- Inventor: Yuusuke SUZUKI , Takanori UEJIMA , Masanari MIURA , Jun TAKAHARA , Naoya MATSUMOTO
- Applicant: Murata Manufacturing Co., Ltd.
- Applicant Address: JP Kyoto
- Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee Address: JP Kyoto
- Priority: JP 20129503 2020.07.30
- Main IPC: H04L5/14
- IPC: H04L5/14 ; H04B1/40

Abstract:
A radio frequency module, capable of simultaneously transporting a transmission signal in a communication band B for TDD and a reception signal in a communication band A for FDD, includes a filter connected to an antenna connection terminal and having a pass band, the communication band B, a filter connected to the antenna connection terminal and having a pass band, a reception band of the communication band A, a switch to change over between the filter and a transmission input terminal to receive a transmission signal in the communication band B from an outside and the filter and a reception output terminal to supply a reception signal in the communication band B to the outside, and a band elimination filter connected between the transmission input terminal and the switch and having a stop band including the reception band of the communication band A.
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