admin
12-27-2015, 03:00 AM
I have only recently had any interest in the technical 'stuff' behind cell phone networks, but our youngest child has some special needs and has wandered/run away a couple of times so we have been looking into a tracking device for her. Every tracking device we have found is compatible with GSM...
More... (http://www.howardforums.com/showthread.php/1877165-Help-me-understand-GSM-HDMA?goto=newpost)
More... (http://www.howardforums.com/showthread.php/1877165-Help-me-understand-GSM-HDMA?goto=newpost)