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Merlin BTMI The Merlin BTMI (Basic Telephone Modem Interface) lets you connect one tip/ring device (modem, fax, answering machine, etc.) to your existing Merlin System eliminating the need for a dedicated line for that device. $145.00 Refurbished

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The Merlin BTMI (Basic Telephone Modem Interface) lets you connect one tip/ring device (modem, fax, answering machine, etc.) to your existing Merlin System eliminating the need for a dedicated line for that device.

The Merlin BTMI connects to a telephone port on your Control Unit and is compatible with the Merlin 206, 410, 820, 1030/3070, Merlin Plus and Merlin II phone systems.

The Merlin BTMI is NOT compatible with System 25 and Merlin Legend.

Two Year Warranty