KOOBOOK
0 ratings
KOOBOOK 5Pcs MT8870 DTMF Voice Decoder Decoding Module Telephone/Audio Decoder Speech Module for Arduino
genuine image
KOOBOOK 5Pcs MT8870 DTMF Voice Decoder Decoding Module Telephone/Audio Decoder Speech Module for Arduino
A complete DTMF receiver integrating both the bandsplit filter and digital decoder functions.
KOOBOOK 5Pcs MT8870 DTMF Voice Decoder Decoding Module Telephone/Audio Decoder Speech Module for Arduino
Item #: 19320486

KOOBOOK 5Pcs MT8870 DTMF Voice Decoder Decoding Module Telephone/Audio Decoder Speech Module for Arduino

Item #: 19320486

XCD 44

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Monday, August 10
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
A complete DTMF receiver integrating both the bandsplit filter and digital decoder functions.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Precision Decoding
The KOOBOOK MT8870 decodes DTMF signals with high accuracy, ensuring reliable telephone and audio communication, making it ideal for Arduino projects that require precise speech recognition capabilities.
Versatile Compatibility
Designed to work seamlessly with various Arduino models, this module offers broad compatibility, enabling hobbyists and developers to integrate DTMF decoding into diverse applications effortlessly.
Easy Integration
With a straightforward setup process, the KOOBOOK module allows users to quickly connect and configure for their projects, saving time while enhancing efficiency in development.

Product Details

Shop for KOOBOOK MT8870 DTMF Voice Decoder Module for Arduino at Ubuy Saint Kitts and Nevis. Easy to use and perfect for applications like paging systems and remote control!

Who Should Buy?

Suitable For
  • Arduino Enthusiasts

    Perfect for hobbyists looking to integrate audio input into their Arduino projects for enhanced interactivity.

  • Telecom Developers

    Ideal for developers working on telecom projects that require DTMF signal decoding for automation tasks.

  • Educational Use

    Excellent teaching tool for demonstrating principles of signal decoding and audio processing in electronics courses.

Not Suitable For
  • Casual Users

    Not suitable for those with limited experience in electronics and programming who may find it complex.

Product Description

KOOBOOK 5Pcs MT8870 DTMF Voice Decoder Decoding Module Telephone/Audio Decoder Speech Module for Arduino

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the KOOBOOK MT8870 DTMF Voice Decoder Module?

    Answer: The KOOBOOK MT8870 DTMF Voice Decoder Module is an audio decoder that processes Dual Tone Multi-Frequency (DTMF) signals from telephone systems. It allows you to connect telephony applications with your Arduino projects, enabling speech recognition functionalities. This module is perfect for projects that require interaction via phone, allowing users to control devices remotely. For example, you can build an automated answering system that acts based on the DTMF tones received.
  • Question: How do I connect the KOOBOOK MT8870 module to Arduino?

    Answer: To connect the KOOBOOK MT8870 module to your Arduino, follow these simple steps: connect the module's pins to the corresponding Arduino pins, ensuring to connect the DTMF output pin to a digital input pin on your Arduino board. Additionally, attach the power and ground pins appropriately. Once connected, you can program the Arduino to read the DTMF signals using the appropriate libraries. This setup can be used in various applications, such as home automation or security systems triggered by phone buttons.
  • Question: What applications can I use the MT8870 module for?

    Answer: The MT8870 module can be used in various applications including remote control systems, automated telephony responses, and smart home integrations. For instance, you can create a phone-operated robot that responds to calls and executes commands based on DTMF tones received from a mobile phone. This versatility makes it a great addition to both hobbyists and professional projects.
  • Question: Can I use the KOOBOOK MT8870 module for speech recognition?

    Answer: The KOOBOOK MT8870 module is designed primarily for decoding DTMF signals rather than full-featured speech recognition. It is best suited for applications where you need to interpret telephone tones. However, it can work in conjunction with other voice recognition modules if you plan to create a more complex system where touch-tone inputs trigger specific commands in your projects.
  • Question: What are the specifications of the KOOBOOK MT8870 module?

    Answer: The KOOBOOK MT8870 module features a DTMF decoding range, operates at a voltage of 3V to 12V, and offers a typical output signal that can be processed by Arduino or similar microcontrollers. Additionally, it can easily interface with other electronic components, providing versatility for different projects. It’s great for low-power applications and supports multiple DTMF tones, making it an ideal choice for telephone-based systems.
  • Question: Is the KOOBOOK MT8870 module compatible with all Arduino models?

    Answer: Yes, the KOOBOOK MT8870 module is generally compatible with most Arduino models, including Arduino Uno, Mega, and Nano. The easy interfacing due to its simple I/O pin configuration makes it a flexible option for various Arduino boards. You can create complex projects that require seamless communication between the module and an assortment of Arduino configurations.
  • Question: Do I need additional components to use the KOOBOOK MT8870?

    Answer: While the KOOBOOK MT8870 module can function independently, some extra components may enhance its utility. You may want to consider using resistors or capacitors to stabilize your circuit, as well as additional sensors or actuators to implement more advanced functionalities. By combining these with the module, you can create a robust system capable of responding to phone commands with a variety of actions.
  • Question: What is the operating voltage for this module?

    Answer: The operating voltage for the KOOBOOK MT8870 module ranges from 3V to 12V, which allows you considerable flexibility in power supply options. This feature makes it suitable for battery-operated projects and those that rely on low voltage levels, making it convenient for various DIY electronics applications. Ensure you match the voltage specifications to avoid damaging the module during operation.
  • Question: Can multiple KOOBOOK MT8870 modules be used in one project?

    Answer: Yes, you can use multiple KOOBOOK MT8870 modules within a single project. However, be mindful of the processing demands and your microcontroller’s capabilities. Each additional module will require its own pin connections on the Arduino. This approach can facilitate more complex projects involving multiple simultaneous DTMF decoded inputs for different functionalities, such as controlling various household devices from one phone.
  • Question: Where can I buy KOOBOOK 5Pcs MT8870 DTMF Voice Decoder Module in Saint Kitts and Nevis?

    Answer: You can purchase the KOOBOOK 5Pcs MT8870 DTMF Voice Decoder Module from Ubuy, which is known for providing a wide range of electronic components and modules. They offer reliable service and a hassle-free shopping experience, making it convenient for you to find this specific product and have it delivered to your location in Saint Kitts and Nevis.

KOOBOOK Single Board Computers Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9200 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

XCD 44

Order now and get it around Monday, August 10

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Includes 5 onboard MT8870 complex frequency decoding chips.
  • Features onboard voice input interface and 5 LED indicators.
  • Designed for multiple applications like paging systems and remote control.
  • Sends decoded key values in a binary format for easy integration.
  • Compact PCB size of 26.5 mm x 24.5 mm for versatile use.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.