| 摘要 |
An emergency alert system comprising a two-way radio system having a first radio apparatus and a second radio apparatus. The first radio apparatus has a call activation device incorporated into its circuitry. A jack with a toggle member attached thereto may be provided for insertion into a jack receptacle of the transmitting apparatus. Removal of the jack by a service dog pulling on the toggle member causes a distress signal to be sent to the second radio apparatus.
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