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IC: interfaceI/O expander2.5÷6VDCI2CTHTDIP16Channels: 8The product is also available per piece exclusively in our physical store.

• Complete DTMF Receiver• Low power consumption• Internal gain setting amplifier• Adjustable guard time• Central office quality• Power-down mode• Inhibit mode• Backward compatible withMT8870C/MT8870C-1The product is also available per piece exclusively in our physical store.

Central office quality DTMF transmitter/receiver• Low power consumption• High speed Intel micro interface• Adjustable guard time• Automatic tone burst mode• Call progress tone detection to -30dBmThe product is also available per piece exclusively in our physical store.