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How do I install the GSM4G Cellular Communicator on the Vista 21iP?Last Updated: 11/06/2013 |
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The GSM4G is built specifically to snap right onto the Vista 21iP Control Panel. Doing so creates a dual-path system. Since the Vista 21iP already has a 7847i built into the panel, your system will be outfitted with both an internet and cellular communicator. Why install a GSM4G... Even though your Vista 21iP already comes with a 7847i, internet communicators are not as reliable as cellular communicators. Turning your panel into a dual-path system creates a safer environment for your home or place of business. |