GRAYSON WIRELESS
Cellular radio diagnostic and monitoring devices used to monitor channel usage, gather statistics on the number of calls and how they are switched in a cellular radio system, and identify and follow specific test telephone numbers in a cellular system; Radio receiver, computer equipment and software for decoding and analyzing signals received by the radio receiver to monitor user specified frequency bands for paging activity, to record traffic activity on different paging standards, and to id...
Cancelled · November 6, 1997 · 75386119 ·