More like an scr opto isolator hooked to the cell phone speaker. When the phone rings the opto isolator fires the scr which latches the DPDT relay providing dc power to a blasting cap.
Can basically be detonated from ANYWHERE remotely by calling the phones number.
98 posted on 08/14/2006 8:03:26 PM PDT by DaveTesla
(You can fool some of the people some of the time......)
