| 摘要 |
PROBLEM TO BE SOLVED: To extend a system consisting of composite modules with a configuration capable of miniaturization without the need for interruption of a line and for a space at the backside of a radio communication unit. SOLUTION: The unit 10 is mounted in a frame of a communication unit and branches a signal sent/received by an antenna. The unit 10 is provided with a composite module 40 that is mounted on a shelf 20 placed in the frame and has two module connectors 42 of the push-on configuration and with a back-board 30 that is placed in the depth of the shelf 20 and has a plurality of backboard connectors 31 of the push-on configuration to which the module connector 42 is fitted.
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