SYNCHRONIZED RECEIVERS

With our patent-pending Multisync technology, a group of radio scanners can be linked together into an efficient signal-capture radio cluster. All scanners monitor the same group of frequencies, but co-ordinate their activity so that a single radio signal will only be received by one scanner - leaving the others free to detect and capture other simultaneous transmissions.

For example, all 80 radio channels on this Rangecast player are being recorded by a single cluster of four radio scanners in Holliston, MA.

While there is no guarantee of capturing every transmission when there are more channels than receivers, it's rare for 5 of the 80 channels to be active simulatneously, so four co-ordinated receivers are sufficient to provide effective reception on every channel.  We estimate that over 98% of signals on these channels are captured.  With additional radios, the capture rate could be improved even further.

For logging purposes (such as a police department recording its own dispatch channel), we recommend a single radio dedicated to monitoring the single channel of special interest, since this eliminates the theoretical risk of missed transmissions when all radios are active recording other frequencies.  But for most applications, a capture rate of 98% or 99% offers superb performance.  If you use a scanner, you probably miss more than that currently, whenever two signals are active at once!

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RANGECAST TECHNOLOGIES, LLC                                                                                                                                         (Copyright 2012 - Patents issued and pending)
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This demonstration player features public safety communications from Massachusetts, delayed by one hour..