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• 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.

Single-Chip Voice Record/Playback Devices16- and 20-Second Durations28 PIN DIPThe 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.

Nominal voltage (line-line): 120 VMaximal voltage (line-line): 150 VSockets type: RJ11 (6P4C)Guarantee: 2 years