Communication Systems | McMaster-Carr

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Shielding

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Personnel Communication Features

Amplifier

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Talk/Listen Toggle Switch

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How can we improve?

2,713 Products

Communication

Radios

Everything from walkie talkies to CB and AM/FM radios

36 products

Headphones

Listen to audio while blocking out the noise around you

1 product

Headsets

Make calls from computers and other devices or communicate over two-way radios

7 products

Antennas

Mount on the outside of a vehicle for better radio reception

1 product

Public Address Systems

Broadcast your voice to audiences with the microphone and built-in speaker

1 product

Speaker/Microphones

Connect to your radio to converse without having to unclip it from your belt

2 products

Signal Boosters

Amplify weak cellular signals to reduce dropped calls and improve download speeds

5 products

Intercoms

Talk to people in different parts of your facility with the push of a button

3 products

Microphone Clips

Mount microphones on microphone stands

1 product

Microphones

Communicate through speakers, public address systems, and radios

2 products

Megaphones

Amplify your voice without hooking up to a speaker

3 products

Telephones

Corded, cordless, outdoor, and hazardous location telephones

18 products

Microphone Cords

Plug your microphone into an amplifier or speaker

4 products

Microphone Connectors

Replace or adapt your current microphone connector to fit your system

5 products

Telephone Connectors

Replace the plug on your phone cord, or extend your line by connecting cords together

12 products

Telephone Cords

Connect telephones to data outlets

9 products

Telephone Cord Swivels

Attach to your handset so the cord won't tangle when the handset rotates

7 products

Telephone Splitters

Connect multiple phone lines to a single telephone jack

4 products

RFID Reader/Writers

Scan RFID tags to sort inventory, track items, and control building access

10 products

RFID Readers

Read RFID cards when prototyping systems or scan RFID tags to control circuits

10 products

Electrical Power, Networking, and Controlling

HMIs

Control PLCs, inverters, and other automated equipment

1 product

IO-Link Programmers

Configure your IO-Link devices without a PC, outlet, or separate software

1 product

Computer Monitors

Display information in tough conditions such as on factory floors and outdoor jobsites

9 products

PLCs

Program complex automation jobs by combining the functionality of a relay, timer relay, and switch

77 products

Development Boards

Prototype electronics and build simple automation systems by configuring inputs and outputs

28 products

Single-Board Computers

Combine the functionality of a PC with the flexibility of a development board’s inputs and outputs

19 products

Tablets

Tough enough to withstand drops, grime, and heavy use

12 products

Computers

Sturdy and reliable for harsh industrial jobsites, from frigid freezers to sweltering foundries

18 products

Circuit Board Cable

Flat and flexible, connect circuit boards inside electronic devices

20 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

68 products

Ethernet Cord Reels

Keep an ethernet cord on hand but out of the way

1 product

USB Cords

Transfer data between computers, printers, and mobile devices

259 products

Fieldbus Cable

Connect devices in Fieldbus communication networks

1 product

Ethernet Cords

Send data between computers, printers, servers, and switches

318 products

Control Cable

Send signals to control machinery and automated systems

50 products

Ethernet Cable

Send data between computers, printers, servers, and switches

20 products

Coaxial Cords

Transmit audio, video, and data with minimal signal loss

67 products

Solenoid Valve Cords

Connect solenoid components, such as valves and motors

60 products

Fiber-Optic Cable

Transmit signals between data centers and workstations in fiber-optic networks

12 products

Ribbon Cable

Ultra flexible to connect components inside electronics

6 products

Coaxial Cable

Transmit audio, data, and video signals

8 products

Speaker Cable

Hook up speakers, intercoms, and other low-current devices to a building's wiring

4 products

Video Adapter Cords

Send video between devices with different connections

8 products

HDMI Cords

Send high-definition signals to monitors, TVs, and projectors

21 products

DeviceNet Cable

Connect devices in DeviceNet communication networks

4 products

Fire Alarm Cable

Protected by flame-resistant insulation for critical circuits in fire alarm systems

8 products

Thermostat Cable

Hook up thermostats, air-conditioning units, and other low-voltage equipment

12 products

Mitutoyo Cords

Connect your measuring tool to miniprocessors, multiplexers, or PCs

22 products

Audio Cords

Hook up speakers to an audio signal

13 products

ix Industrial Cords

Send data or signals between equipment, such as a servomotor and encoder

6 products

CAN-Bus Cable

Connect devices in CAN-Bus communication networks

6 products

Power Cords

Connect equipment and devices to a power source

15 products

Profibus Cords

Transmit data in automation systems and other networks

4 products

Profinet Cable

Connect devices in Profinet communication networks

2 products

Profibus Cable

Connect devices in Profibus communication networks

3 products

DMX Cords

Connect to lighting equipment with five-pin XLR connections

3 products

DisplayPort Cords

Send video from computers to monitors and other displays

26 products

Robot Teach Pendant Cords

Connect robot controllers and teach pendants

25 products

Building Cable

With designations such as NM and UF, building cable brings power to wall outlets and outlet boxes

36 products

Modbus Cable

Connect devices in Modbus communication networks

2 products

Security Cable

Connect low-current security and intercom systems

53 products

Thunderbolt Cords

Transmit data and video at high speeds between PCs, mobile devices, and displays

2 products

Robot Controller Cords

Extend the distance between a robot arm and a controller

3 products

D-Sub Cords

Connect computers, monitors, printers, and other devices with DB connections

199 products

Fiber-Optic Cords

Connect computers, servers, and switches in a fiber-optic network

34 products

Sensor Signal Adapter Cords

Send data between sensors and receivers that have different signal types

2 products

Robot Teach Pendant Cord Reels

Keep the cords connecting your robot controller and teach pendant organized and out of the way

16 products

Metric Circular Cords

Send power and signal to equipment with metric connections

420 products

Mini Cords

Often used to send power and control signals to automated systems, motors, and pumps

221 products

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

18 products

Amphenol Connectors

Attach wires to a circuit board

32 products

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

277 products

Measuring and Inspecting

Inertial Measurement Units

Mount to robot arms, cranes, and vehicles to accurately track their movements

1 product

Line Testers

Diagnose issues in telephone lines or Ethernet cables

5 products

Safety Equipment

Earmuffs

Dampen loud noises to protect hearing

10 products

Earplugs

Protect your hearing in loud environments without the bulk of earmuffs

13 products

Earmuff and Headset Covers

Keep shared earmuffs, headsets, and headphones germ-free without sterilizing them

2 products

Fluid Handling

Pressure Transmitters

Send pressure readings to controllers and remote displays

1 product

Lighting

LED Drivers

Deliver the electrical current your LEDs need

2 products