New technology has a way of creating a certain stampede mentality among companies who want to get in on the action. We’ve seen that happen with GPS, with airborne datalink and now with traffic detection equipment, specifically portable traffic detection gear. The newest entrant in the traffic nanny sweepstakes is ProxAlert, with a portable device called the ProxAlert R5.

This product first appeared on our radar about six months ago but our attempts to locate one revealed it to be an elusive quarry. When we did our last round of trials on portable traffic detectors in February, the ProxAlert’s sole U.S. distributor, Eastern Avionics, was unable to provide a test…