| 摘要 |
<p>A frequency shift transceiver, specifically communication means among the members of an exclusive group of, for example, ten persons or so, which is impervious to communication intercept and has no fear of crosstalk, characterized in that the transceiver includes a memory apparatus for storing and setting a plurality of frequencies and the identification number of the transceiver, a receiver circuit for scan receiving the frequencies, a detector circuit for detecting an identification number data from a signal received by the receiver circuit, and a transmitter circuit for transmitting identification number data and an audio signal.</p> |
