Deputy Dispatch Nov 05, 2026 8 min read

Federal Signal AD-26-1 Atkinson Dynamics 12VDC Wall Mount Intercom

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By Deputy Electronics Radio Communication Expert
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Federal Signal AD-26-1 Atkinson Dynamics 12VDC Wall Mount Intercom
AD-26-1 Atkinson Dynamics 12VDC Wall Mount Intercoms
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AD-26-1 Atkinson Dynamics 12VDC Wall Mount Intercoms

Designed for single-channel, two-way indoor and outdoor communication applications, Wall-Mount Intercoms feature integrated volume control, TALK/LISTEN switch, corrosion-resistant cast aluminum housing with rugged powder coat finish (Type 4X enclosure), reliable...
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In This Article

Federal Signal AD-26-1 Atkinson Dynamics 12VDC Wall Mount Intercom

Reliable Two-Way Communication for Industrial Environments

The Federal Signal AD-26-1 Atkinson Dynamics 12VDC Wall Mount Intercom is designed to provide dependable, single-channel, two-way communication in demanding indoor and outdoor environments. Built for industrial applications, this heavy-duty intercom combines a durable cast aluminum housing with practical controls and a reliable speaker for clear communication.

Featuring an integrated volume control, Talk/Listen switch, balanced line output, and a 25-watt speaker, the AD-26-1 is a suitable communication solution for facilities that require dependable voice communication. Its rugged powder-coated finish and Type 4X enclosure help protect the unit in challenging operating conditions.

Key Features

1. 12VDC Operation

Designed for 12VDC power, the AD-26-1 is suitable for installations that use a compatible 12-volt DC power supply.

2. Single-Channel, Two-Way Communication

Supports two-way communication over a single channel, allowing users to talk and listen through the intercom system.

3. Integrated Volume Control

The built-in volume control allows users to adjust the listening level according to their environment and communication requirements.

4. Convenient Talk/Listen Switch

The integrated Talk/Listen switch makes it easy to control communication between talking and listening modes.

5. Reliable 25-Watt Speaker

Equipped with a 25-watt speaker rating, the intercom is designed to deliver dependable audio performance for industrial communication applications.

6. Balanced Line Output

The balanced line output supports connection within compatible intercom audio systems.

7. Rugged Cast Aluminum Housing

Its corrosion-resistant cast aluminum housing features a durable powder-coated finish, providing protection for demanding indoor and outdoor applications.

8. Conformal-Coated PCBA

The conformal-coated printed circuit board assembly adds another layer of protection for the unit's electronic components.

9. Type 4X Enclosure

The Type 4X enclosure is designed to provide protection against environmental conditions, including corrosion.

10. Industry Certifications

The Atkinson Dynamics wall-mount intercom series is Marine Listed, CSA Certified, and UL and cUL Listed.

Applications

The Federal Signal AD-26-1 is designed for industrial and commercial environments where reliable two-way communication is important. Potential applications include:

  • Industrial facilities and manufacturing plants

  • Warehouses and distribution centers

  • Outdoor communication points

  • Commercial and institutional facilities

  • Marine-related installations

  • Other compatible indoor and outdoor communication systems

Product Specifications

Specification Details
Brand Federal Signal
Product Series Atkinson Dynamics
Model AD-26-1
Product Type Wall Mount Intercom
Operating Voltage 12VDC
Communication Single-channel, two-way
Speaker Rating 25 watts
Operating Current 1.47 A
Standby Current 100 mA
Frequency Response 320 Hz – 8.0 kHz
Audio Controls Integrated Volume Control and Talk/Listen Switch
Output Balanced Line Output
Housing Material Cast Aluminum
Finish Rugged Powder-Coated Finish
Circuit Board Conformal-Coated PCBA
Enclosure Rating Type 4X
Certifications Marine Listed, CSA Certified, UL and cUL Listed
Operating Temperature -31°F to 150°F (-35°C to 66°C)
Dimensions 9.88 × 6.50 × 5.03 inches
Net Weight Approximately 9 lb (4.08 kg)

Why Choose Federal Signal AD-26-1 from Deputy Electronics?

At Deputy Electronics, we offer communication equipment and accessories from trusted manufacturers to support industrial, commercial, and professional communication needs.

Whether you are upgrading an existing communication setup or planning a new installation, our team can help you explore suitable products for your application.

Visit www.deputyelectronics.com to explore our product range or contact our team for product information and pricing.

Final Thoughts

The Federal Signal AD-26-1 Atkinson Dynamics 12VDC Wall Mount Intercom combines durable construction, convenient controls, and dependable two-way communication in a heavy-duty design. With its 12VDC operation, 25-watt speaker rating, balanced line output, and Type 4X enclosure, it is designed to support communication requirements in demanding industrial and outdoor environments.

For organizations looking for a rugged wall-mount intercom solution, the AD-26-1 is a practical option to consider.

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Deputy Electronics

Our team of radio and electronics experts shares practical knowledge, product insights, installation guides, and real-world communication solutions.