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MT8870 DTMF Voice Decoding Module

MT8870 DTMF Voice Decoding Module

First Come First Serve Offer (T&C Apply )

Regular price 109.00
Regular price 199.00 Sale price 109.00
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MT8870 DTMF Voice Decoding Module

The DTMF Decoder Module is the ultimate solution for projects requiring dual-tone multi-frequency decoding. Ideal for modem interfaces, mobile radios, and other DTMF applications, this module offers versatile compatibility and user-friendly design.

With onboard LEDs, low power consumption, and adjustable guard time, it ensures quality performance and easy integration into UNO/MEGA2560/DUE boards. The central office quality and internal gain-setting amplifier guarantee optimal signal reception, making it a reliable choice for diverse projects. Convenient input interfaces, multi-channel outputs, and complete functionality make this module a must-have for enthusiasts and professionals alike.

Purchase now and experience seamless DTMF decoding!

Features:

  • Onboard voice input interface
  • Low power consumption
  • Internal gain setting amplifier
  • Onboard LED, it is very convenient to check the output state.
  • Adjustable guard time
  • Central office quality
  • Onboard 3.5mm input interface
  • 5 Channel interface
  • On-board MT8870 frequency decoder chip
  • Power-down mode
  • Inhibit mode
  • Onboard audio input interface
  • Onboard LED lights for output state indicationComplete DTMF Receiver.
  • Does not require external circuits or wiring, it can be inserted directly into the UNO/MEGA2560/DUE board to use.
  • 12-Digital outputs decode mobile and fixed telephone keys (0-9, * #). Also, another 4 Digital outputs (ABCD) can use “DTMF Dial” for Software control.

MT8870 DTMF Decoder Circuit Diagram:

MT8870 DTMF Decoder Circuit Diagram

Applications:

  • Modems, mobile radios, call routing.
  • Mobile-controlled robots.
  • Home Automation.
  • Menu navigation via phone keypad.
  • Industrial Automation.
  • Education.
  • Prototyping

MT8870 DTMF Decoder Module - Arduino Test with PWM Audio Synth Tones

Package Includes:

  • 1 x MT8870 DTMF Voice Decoding Module

Specifications:

Main Chip

MT8870DS

Working voltage

5V

Power Consumption

500mW (MAX)

Type

MT 8870 DTMF Tone Decoding Module

Operating Temperature

-40-+85 °C

Board Colour

Blue

Dimension (LxWxH)mm

27 x 25 x 10

Weight

5g

T&C Apply.

Terms and Conditions

1. Product Images and Representations

  • Images displayed on the website are for illustrative purposes only. The actual product may vary in color and design.

2. Offers and Returns

  • Products purchased during promotional offers may not be eligible for return. Please refer to the specific offer details for clarification.
  • We offer a standard return policy for most products, with some exceptions for products purchased during offers.

3. Availability and Out-of-Stock Products

  • All products listed on the website are available on a first-come, first-served basis.

Following are the stock percentages available in the sale:

Xiaomi: 15%

Vivo: 5%

Samsung: 5%

Realme: 8%

OPPO: 10%

OnePlus: 4%

Apple: 4%

Poco: 2%

Infinix: 10%

Feature Phones: 32%

Tecno: 5% 

We reserve the right to limit quantities.

  • In case of stock depletion, we may offer a replacement product of similar value.
  • If you are not satisfied with the replacement, we will credit your account with the purchase amount. This credit can be used towards future purchases, but no cash refunds will be issued.

4. Product Exchanges

  • We offer exchanges for products that are broken or damaged upon arrival. Please refer to our return policy for details on initiating an exchange.

5. Refurbished Electronics

  • Electronic products listed under the "website " may be old refurbished, meaning they were previously owned. These products will be clearly marked as refurbished.

  • the branded box, charger, accessories will not be included with the mobile phone.

6. Customer Satisfaction and Credits

  • If you are unhappy with any product, we may offer you a coupon code for a future purchase instead of a cash refund.

7. Shipping and Delivery

  • Our standard shipping method is surface mode, which may result in longer delivery times. Typical delivery times range between 8-15 business days.

8. Acceptance of Terms

All products sold on a first-come, first-served basis are subject to our No Refund Policy. As part of this policy, the company will randomly select five customers out of every 100 orders to receive smartphone products. The remaining orders may be canceled, or the customer may opt to receive a branded T-shirt of equivalent value. If the customer objects to receiving a T-shirt or want for refund,

A full refund will be issued to their company-created digital wallet within 30 days. Please note that this offer is discretionary and involves a risk of non-receipt of the desired product. By placing an order, you acknowledge and agree to these terms."

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