| 摘要 |
PROBLEM TO BE SOLVED: To provide a radio communication device for packet communication.SOLUTION: When a battery is mounted, the radio communication device performs message transmission and reception to obtain information necessary for packet communication, to store into a first communication information storage unit. During standby, the radio communication device switches off the power of a main radio communication part, and at sensor detection, switches on the power of the main radio communication part, to perform packet communication using the information stored in the first communication information storage unit to notify the sensor detection.SELECTED DRAWING: Figure 3 |
