| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve a reception sensitivity of a transmission/reception module without deteriorating interference in a reception band of a cellular frequency band. <P>SOLUTION: A transmission/reception module 10 includes: a first communication module 12 supporting a wireless LAN; a second communication module 13 supporting a BT; a first antenna connection terminal 14a to which a first external antenna 15a is connected; a second antenna connection terminal 14b to which a second external antenna 15b is connected; a first filter 16 connected to the first antenna connection terminal 14a; a second filter 17 connected to the second antenna connection terminal 14b; and RF switches 18 and 19. An external transmission/reception circuit 2 is provided to support a cellular system. The RF switches 18 and 19 allow selective transmission of a first and second transmission/reception circuits. An insertion loss in the second filter 17 is smaller than that in the first filter 16. <P>COPYRIGHT: (C)2012,JPO&INPIT |
