MT8870 DTMF Audio Decoder Module Robotics Bangladesh
  • MT8870 DTMF Audio Decoder Module Robotics Bangladesh

MT8870 DTMF Audio Decoder Module

RBD-0981
  • Low power device. 
  • DTMF decoder chip. 
  • Band-split filter.
  • Digital decoding functions.
  • Modem interfaces. 
  • Mobile radios.

BDT 300
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This component is ideally suited to adding dual tone multi-frequency (DTMF) decoding to your project. This detection module interprets the incoming tone and produces a coded output that can be connected to all manner of microcontrollers.  RoboticsBD

DTMF is commonly found in touch tone devices such as a phone. The tone is a combination of two separate sine waves that produce a unique signal that can be transmitted or heard. When the module receives the signal it is able to decode it and produce a binary output that can be used in other devices. The module shows the state of the signal through onboard LEDs.  RoboticsBD

As an idea, you can connect up a mobile phone via 3.5mm to 3.5mm cable to the module. Dialing into the phone from a second mobile and then using the keypad will produce the tones on the original phone. The tones in the call can then be interpreted by the module, allowing you to control all manner of projects. The pins are suited to standard sockets with a pin pitch of 2.54mm.

The MT8870 Tone Decoder is a kind of commonly used multi-frequency decode IC product developed by the MITEL company. It is a complete DTMF receiver. After it received the DTMF signal, it will divide the signal into high-frequency group and low-frequency group and send the signal to the digital decoder which can figure out the key value then send it to the outside Bus via four lines( Q1, Q2, Q3, Q4) as the binary form.  Featured By RoboticsBD.

Product Images are shown for illustrative purposes only and may differ from the actual product.

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Features:

  1. Onboard voice input interface
  2. Low power consumption
  3. Internal gain setting amplifier
  4. Onboard LED, it is very convenient to check the output state.
  5. Adjustable guard time
  6.  Central office quality
  7. Onboard 3.5mm input interface
  8. 5 Channel interface
  9. On-board MT8870 frequency decoder chip
  10. Power-down mode
  11. Inhibit mode
  12. Onboard audio input interface
  13. Onboard LED lights for output state indication Complete DTMF Receiver.
  14. Does not require external circuits or wiring, it can be inserted directly into the UNO/MEGA2560/DUE board to use.
  15. 12-Digital outputs decode mobile and fixed telephone keys (0-9, * #). Also, another 4 Digital output(ABCD) can use “DTMF Dial” for Software control.

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General Specification
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
Shipment Weight 0.02 kg
Shipment Dimensions 3 × 2 × 2 cm

Please allow 5% measuring deviation due to manual measurement.

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Package Includes:

1 x MT8870 DTMF Audio/Speech Decoding Telephone Module.

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What is the price of MT8870 DTMF Audio Decoder Module in Bangladesh?

The latest price of MT8870 DTMF Audio Decoder Module in Bangladesh is BDT 300 You can buy the MT8870 DTMF Audio Decoder Module at best price from our RoboticsBD or visit RoboticsBD Office.

Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product.

Product Images are shown for illustrative purposes only and may differ from the actual product.
Product Details
RBD-0981
51 Items
Worked as expect
rating
09/09/2024
Anik
Worked as expect
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    Model: LilyPad Color: Purple Material: CCL Dimensions: 30 x 30 x 6 (LxWxH) mm. Weight: 3 gm.

    Price BDT 180
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    USB Host Shield For Arduino UNO, MEGA, Compatible with Google Android ADK Robotics Bangladesh Quick view

    Reference: RBD-0108

    USB Host Shield For Arduino UNO, MEGA, Compatible with Google Android ADK

    Works with standard (dual 5/3.3V) and 3.3V-only (for example, Pro Arduino) boards. Complies with USB Specification Revision 2.0 (Full-Speed 12Mbps Peripheral, Full-/Low-Speed 12Mbps/1.5Mbps Host) Supports HID devices, such as keyboards, mice, joysticks, etc. Compatible with Mass storage devices, such as USB sticks, memory card readers, external hard...

    Price BDT 1,399
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