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12V DTMF Decoder AD22B04 DTMF Decoder 4 Channel DTMF Relay Board PLC Decoder Relay with Cable
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12V DTMF Decoder AD22B04 DTMF Decoder 4 Channel DTMF Relay Board PLC Decoder Relay with Cable
Eight modes of operation including Non-locking, self-locking, inter-locking, and 5/20/60/120/250-second delay
12V DTMF Decoder AD22B04 DTMF Decoder 4 Channel DTMF Relay Board PLC Decoder Relay with Cable
Item #: 88152863

12V DTMF Decoder AD22B04 DTMF Decoder 4 Channel DTMF Relay Board PLC Decoder Relay with Cable

87% of respondents would recommend this to a friend

Item #: 88152863

USD 30

Price Details

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

*All items will import from US

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Order now and get it around Wednesday, October 21
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Eight modes of operation including Non-locking, self-locking, inter-locking, and 5/20/60/120/250-second delay
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What Stands Out

Multiple Channels
Offers four individual channels, allowing simultaneous control of multiple devices, enhancing flexibility and efficiency in appliance automation.
DTMF Technology
Utilizes Dual Tone Multi-Frequency technology for reliable and accurate decoding of commands, ensuring consistent performance in various environments.
Easy Integration
Designed for seamless integration with PLC systems, making it ideal for users looking to automate processes with minimal setup effort and technical knowledge.

Product Details

Shop 12V DTMF Decoder AD22B04 DTMF Decoder 4 Channel DTMF Relay Board PLC Decoder Relay with Cable online at a best price in Zimbabwe. B0CJTBDK39
Current Rating10 A
Operation ModeAutomatic
Coil Voltage12 volts
Maximum Switching Current10 A
Maximum Switching Voltage12 volts
Specification MetMa
Brand NameEujgoov
Unit Count1 Count
ManufacturerEujgoov
BrandEujgoov
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • Home Automation

    Ideal for users wanting to control devices remotely through DTMF tones, providing convenient automation solutions.

  • Robotics Projects

    Perfect for hobbyists building robots that require remote control via mobile phones using DTMF signaling.

  • Industrial Control

    Suitable for industries needing a reliable relay system that can be activated through telephone signals for automation.

Not Suitable For
  • Non-Technical Users

    May be complex for individuals without technical background or experience in electronics and coding.

Product Description

12V DTMF Decoder AD22B04 DTMF Decoder 4 Channel DTMF Relay Board PLC Decoder Relay with Cable

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the 12V DTMF Decoder AD22B04?

    Answer: The 12V DTMF Decoder AD22B04 is designed to decode dual-tone multi-frequency (DTMF) signals for controlling devices through a telephone interface. This decoder can recognize signal inputs sent from a phone keypad and convert these into control signals for electronics. It's particularly useful in home automation projects, remote control applications, and industrial automation systems, where radio or phone control is required.
  • Question: How many channels does the AD22B04 DTMF Decoder offer?

    Answer: The AD22B04 DTMF Decoder features four channels, allowing it to manage multiple outputs based on the DTMF signals received. This means you can control up to four separate devices or systems using a single decoder unit. For example, you can operate different appliances, lights, or machinery from a distance, simply by dialing specific DTMF codes.
  • Question: Is the AD22B04 compatible with all types of telecommunication systems?

    Answer: Yes, the AD22B04 DTMF Decoder is compatible with standard phone lines and VoIP systems that utilize DTMF signaling. This broad compatibility allows it to work seamlessly in both residential and commercial settings, making it suitable for various applications such as remote control of security systems, home appliances, or even garden sprinklers, as long as the telephone service provides DTMF tone signaling.
  • Question: What type of connection cables are included with the DTMF relay board?

    Answer: The 12V DTMF Decoder AD22B04 comes with standard connection cables designed to facilitate easy wiring to the control devices. These cables support the relay outputs and help establish a secure link to the devices you are intending to control. This feature ensures that users can set up their systems quickly and maintain reliable connections between the decoder and the electronic devices involved.
  • Question: Can the AD22B04 be used for automation projects?

    Answer: Absolutely! The AD22B04 DTMF Decoder is an excellent choice for automation projects. It allows users to create customized control systems, where you can activate or deactivate devices remotely via phone calls. For instance, you could set up a scenario in which calling the decoder changes the state of a motor or turns on lighting in your home, making it ideal for DIY electronics enthusiasts and professional developers alike.
  • Question: How does the DTMF decoding process work?

    Answer: The DTMF decoding process begins when a user dials a number on a telephone keypad, which generates two simultaneous tones corresponding to the pressed keys. The AD22B04 then analyzes these signals and decodes them into binary outputs. This functionality allows users to control electronic devices in real-time, effectively converting simple phone calls into interactive control for various applications.
  • Question: Can I program specific functions for each channel?

    Answer: Yes, you can program specific functions for each channel on the AD22B04. This feature allows you to assign unique responses to different DTMF tones, enabling a customized control experience. For example, you might configure one channel to turn on lights and another to activate a fan, providing tailored automation that meets individual needs and preferences.
  • Question: What are the power requirements for the AD22B04 DTMF Decoder?

    Answer: The AD22B04 DTMF Decoder operates effectively at 12V DC power supply, making it compatible with standard low-voltage systems commonly found in various electronics projects. This compatibility allows for a wide range of applications, from home automation setups to complex industrial controls, ensuring that users can integrate the decoder into existing electrical systems without compatibility issues.
  • Question: What types of devices can be controlled using this DTMF decoder?

    Answer: The DTMF decoder can control a variety of devices such as lights, motors, appliances, and security systems. With its relay board, the decoder can toggle devices based on DTMF input, making it an excellent choice for enhancing home automation and industrial systems. This versatility offers users the capability to engage multiple devices from a distant location through simple phone calls.
  • Question: Where can I buy 12V DTMF Decoder AD22B04 in Zimbabwe?

    Answer: You can purchase the 12V DTMF Decoder AD22B04 from Ubuy in Zimbabwe. Ubuy offers a wide selection of electronic components, including this DTMF decoder and relay board, ensuring you have access to quality products for your automation and control projects.

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Pros

  • High compatibility with various systems
  • Accurate DTMF decoding performance
  • Supports multiple relay outputs
  • Easy to integrate with PLCs
  • Compact design and durable build

Cons

  • Limited documentation available

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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  • 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.
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USD 30

Order now and get it around Wednesday, October 21

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

  • AD22B04
  • DC 12V with reverse polarity
  • Standby 11-13 MA, 1 relay
  • Eight modes including various types of locking and delay options
  • Default control command is 1/2/3/4

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