i am glad you are doing some research ST.and to date you have...

i am glad you are doing some research ST.

and to date you have NOT found anyone who offers what QTK do.

needless to ay you do NOT have "securitel" as was asked.

the rest of the information on there is exactly what i said......and some compny using UHF in limited areas is NOT a universally excepted or widely used system as it has major limitations along with requiring a land line to affect uplaodingand downlaoding of information.

just facts ........that is why the QTK system is not only unique and a world first it is also the most sophisticated sytem with the very best security features.