July 1, 201510 yr Hi... can you help me locate the correct type of wireless door contact switch for my home alarm system please? The system has a cooper security scantronic 9930 control.I have a wireless contact on top of a garage door which has failed.. I have changed the battery to no effect. I could send you pictures if it helps locate the correct type.Would you also be able to help with instructions for replacing the unit. I do have access to the installer mode codeMany thanks
July 3, 201510 yr The 9930 is a keypad not a control panel. You need to know what radio Rx system you have.
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