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FK319: TELEPHONE PRIVACY PROTECTION
• Suitable for home or office that have many telephones with only one number.
• Whenever any first telephone is in use, the circuit will automatically switch others off and will switch on for use by the others when the first telephone is not in use.
• Power supply: Not required.
• PCB dimensions: 2.02 X 1.63 in.
• Recommended housing: (FB01)
A great starter project that has a practical purpose.
Have fun, that's what it's all about.
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