Hi Cedric: I live in a forest canyon and have thought about how to do this. There are a number of approaches like external antenna, ext ant with booster amp indoors or outdoors, classical repeater, Intelligent repeater, cell to wireline adapter. I've written them up at: http://www.prc68.com/I/phones.shtml#Rpt Have Fun, Brooke Clarke http://www.PRC68.com http://www.precisionclock.com http://www.prc68.com/I/WebCam2.shtml 24/7 Sky-Weather-Astronomy Cam -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist