Line Powered Two-Tone Ringer
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Line Powered Two-Tone Ringer

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publish time: 2020-10-21
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Do you often encounter the need to add a phone bell in another room to remind you of incoming calls? The low-cost 2-tone ringtone IC LS1240 is usually used as a telephone circuit, as long as the telephone line is extended to the place where additional ringtones are to be installed.

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