MT8870 DTMF Telephone Voice Module

MT8870 DTMF Telephone Sound Module

The MT8870 DTMF Telephone Sound Module is used to detect DTMF (Dual-Tone Multi-Frequency) tones from telephone lines and use these tones in electronic projects. This module is useful for various applications such as automation systems, remote-controlled devices, and home security projects. The MT8870 can detect tones from telephone lines and transmit these signals to a microcontroller or relay for further processing or control.

The module offers energy efficiency with low power consumption and supports a wide range of operating voltages, increasing compatibility with different power sources. When you want to add DTMF-based remote control capability to your projects, MT8870 can help you with that.

Please note that before using this module, you should be knowledgeable about relevant licenses, regulations, and legal requirements. This is particularly important in terms of telecommunications laws and regulations.

The MT8870 DTMF Telephone Sound Module offers a simple and cost-effective solution for using telephone lines to control and communicate in your electronic projects.

MT8870 DTMF Telephone Sound Module Technical Specifications:

• Operating Voltage: 4.5V to 5.5V DC
• Operating Temperature: -40°C to 85°C
• Receiver Sensitivity: -36 dBm
• DTMF Frequency Range: 697 Hz to 1633 Hz
• Output Format: Digital data or parallel BCD (Binary-Coded Decimal) format
• Output Interface: TTL-level parallel outputs
• Power Consumption: Typically 35 mW
• Dimensions: Typically compact and small

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