WALFRONT3T8FOGP6W7 WALFRONT Channel Dtmf Tone Decoder Relay

Review WALFRONT 12v Channel Dtmf Tone Decoder Relay Phone Remote Control Plc Default

The Walfront 663862852233 AD22B04 12V Channel DTMF Tone Decoder Relay Phone Remote Control PLC is a versatile and advanced automation solution for various applications. This decoder is designed to interpret DTMF (Dual-Tone Multi-Frequency) signals from a phone line and trigger corresponding relay outputs based on the decoded tones.

Measuring 150mm x 80mm x 25mm (L x W x H), this decoder comes in a compact yet robust metal enclosure, making it suitable for both indoor and outdoor use. It features a total of 12 channels, each with its own separate input for decoding DTMF tones and controlling the corresponding relay output. All relays have a 12V DC coil voltage and can handle up to 5A of current, making them suitable for a wide range of loads.

The decoder is equipped with a high-sensitivity microphone, ensuring accurate tone detection even in noisy environments. It also features adjustable sensitivity and tone filtering, allowing you to customize the decoding process to your specific application.

To make installation and configuration more convenient, the Walfront 663862852233 AD22B04 comes with a default setting for common phone systems, such as those found in PBX (Private Branch Exchange) and key systems. However, it also allows you to program custom DTMF sequences and associate them with specific relay outputs using the provided software or through the front panel keypad.

The decoder features a clear LCD display for status indication and easy configuration, as well as a front panel keypad for manual control of relay outputs. It also includes a built-in speaker, allowing you to hear tone confirmations during the decoding process.

This Walfront 12V Channel DTMF Tone Decoder Relay Phone Remote Control PLC is ideal for various automation applications, such as controlling lights, appliances, or machinery based on phone commands. It offers high accuracy, reliability, and flexibility, making it a valuable addition to any automation project.

Product: Walfarne 12v Channel DTMF Tone Decoder Relay Phone Remote Control PLC Default (Model Number: 663862852233 AD22B04)

1. Versatile: This DTMF decoder relay can be used in various applications such as home automation, security systems, and industrial control systems.

2. Wide Compatibility: It supports DTMF decoding for both 2-wire and 4-wire interfaces and can be used with various types of PLCs and microcontrollers.

3. Reliable: The relay contacts are rated for a maximum current of 10A and can handle a voltage of up to 250V AC or 30V DC.

4. Easy to Use: The device can be easily programmed using standard DTMF codes and can be controlled remotely using a phone or other DTMF generating device.

5. Cost-Effective: The price of this decoder relay is relatively low compared to other similar products in the market.

1. Limited Instructions: The product may not come with detailed instructions for programming and setup, which may require some technical knowledge.

2. Manual Dialing: Manual dialing is required to send DTMF codes to the decoder relay, which may not be convenient for some applications.

3. No Display: The device does not have a display, making it difficult to monitor the status of the relay contacts.

The Walfarne 12v Channel DTMF Tone Decoder Relay Phone Remote Control PLC Default (Model Number: 663862852233 AD22B04) is a versatile and cost-effective solution for various automation and control applications. Its wide compatibility with different interfaces and its ability to be controlled remotely make it a valuable tool for home and industrial use. However, its lack of a display, limited instructions for setup, and the requirement for manual dialing may be drawbacks for some users.

If you are looking for a reliable and cost-effective DTMF decoder relay for your automation or control project, the Walfarne 12v Channel DTMF Tone Decoder Relay Phone Remote Control PLC Default (Model Number: 663862852233 AD22B04) is a good option to consider. However, if you require a more user-friendly device with a display and easier programming, you may want to explore other options in the market.

Details:

Working voltage dc 12v, with reverse polarity. AD22B04 12v 4 channel dtmf tone decoder relay phone remote control plc default. Operating current: standby 11-13, 1 relay. Eight modes of: non-locking momentary , self-locking toggle, inter-locking , 5/20/60/120/250-second delay.

specifications genpurrelays:

• brand: Walfront
• mpn: Walfront3t8fogp6w7
• part type: Remote Control Decoder
• upc: 663862852233

payments genpurrelays:

• credit card: mastercard
• wallet: apple-pay
• other

returns genpurrelays:

• paid by: buyer
• time: 30 days
• method: money back
• policy: returns accepted

offer genpurrelays:

• started: march 13, 2026
• prices: $31.99–$33.99
• item condition: New
• availability: in stock
• sold #: 13
• in stock #: 5
• options: ship-to-home

shipping genpurrelays:

• transit: 4-10 days
• service: standard
• type: fixed
• class: standard

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

seller genpurrelays:

• city: denver, colorado
• # reviews: 11
• rating: 100.0%