Enhance your telecommunication and remote control projects with this versatile 16 Channel DTMF Decoder Module, designed for mobile and fixed telephone voice dialing decoding functions. Compact and efficient, this decoding module provides reliable key decoding and versatile output options, making it ideal for various remote control and embedded applications. Key Features: · 16 Channel Output: Supports decoding of telephone keys including digits 0-9, *, #, and four additional ABCD channels, offering comprehensive signal processing. · Multiple Output Modes: Features 8 selectable output functions, allowing customization according to your project needs. · STD Signal Output: Provides an output lead to STD signal for easy connection as a microcontroller interrupt signal, simplifying integration. · Flexible Control: The four ABCD channels can be controlled through "DTMF Dial" software, enabling advanced remote control capabilities. · Wide Operating Voltage: Operates efficiently on a DC power supply voltage range of 4.5V to 5.5V (typical 5V), ensuring compatibility with standard power sources. · Robust Electrical Characteristics: IO drive supports sink current (low-level drive) up to 20mA and source current (high-level drive) of 270μA for stable performance. · Durable and Compact Design: With a PCB size of 50mm x 20mm (1.97in x 0.79in) and a lightweight design of approximately 18g, it is easy to incorporate into various projects. · Broad Operating Temperature Range: Functions reliably within a temperature range of -40℃ to 85℃, suitable for diverse environmental conditions. Specifications: · Power Supply Voltage: DC 4.5V-5.5V (Typical 5V) · Operating Temperature: -40℃ to 85℃ · IO Drive: Sink Current 20mA (low level), Source Current 270μA (high level) · Channels: 16 outputs (0-9, *, #, ABCD) · Output Modes: 8 selectable modes · PCB Size: 50mm x 20mm (1.97in x 0.79in) · Weight: Approx. 18g Package Includes: · 1 x 16 Channel DTMF Decoder Module · 1 x Male to Male Audio Wire (3.5mm jack) This 16 Channel DTMF Decoder Module is an ideal component for developers seeking reliable and customizable voice dialing decoding solutions for mobile and fixed telephone applications, remote control systems, and embedded keypad decoding projects. Its compact size, multiple output modes, and ease of integration make it an essential tool for electronic and communication projects.