A small antenna with a 45 Mhz source and mixer at the center would retransmit a US cellphone on its own receive frequency. Would that do what you want?
Cortland - KA5S (What I write here is mine alone. My employer does not Concur, agree or else endorse These words, their mood, or thought.) Ken Javor wrote: > Without a lot of test equipment that would be worth more than your car and > that you wouldn't want to fuss with, the only practical way I can think of > to quickly separate phone and ear in the car ahead of me is to send a burst > of broadband noise aimed in the direction of the offending vehicle. I am > thinking that 12 dBi gain would still be a relatively small Yagi or > log-periodic from 850 - 900 MHz.... ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Michael Garretson: [email protected] Dave Heald [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: No longer online until our new server is brought online and the old messages are imported into the new server.

