Communication Systems | McMaster-Carr

Filter by

Electrical Connection

1" Circular Connector

10-Pin Mitutoyo Connector

Apple Compatible

Circular Metric

DIN Valve Connection

DT Deutsch Style

Radio Frequency Band

Length

Power

Number of Channels

Gender

Application

Telephone to Handset

Telephone to Wall Jack

Terminal Block to Wall Jack

Color

End Type

Electrical Connection Component

Voltage

Number of Poles

REACH

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Power Source

Shape

Number of Wires

Shielding

Double Shielded

American Wire Gauge (AWG)

End Shape

Adjustable Angle

Personnel Communication Features

Auxiliary Input

Battery Life Indicator

Microphone Knob

Push-to-Talk Button

Squelch Control

Talk/Listen Toggle Switch

Voice Scramble Mode

Material

Silicone Rubber

Stainless Steel

FCC License Required

Width

How can we improve?

2,416 Products

Most Likely Products

Radios

Everything from walkie talkies to CB and AM/FM radios

Headsets

Make hands-free calls from your computer, smartphone, or other device

Speaker/Microphones

Speaker/Microphones

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

Headphones

Listen to audio while blocking out the noise around you

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Antennas

Mount on the outside of a vehicle for better radio reception

All Results

Communication

Radios

Everything from walkie talkies to CB and AM/FM radios

Headsets

Make hands-free calls from your computer, smartphone, or other device

Speaker/Microphones

Speaker/Microphones

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

Headphones

Listen to audio while blocking out the noise around you

Antennas

Mount on the outside of a vehicle for better radio reception

Telephones

Corded, cordless, outdoor, and hazardous location telephones

Telephone Splitters

Telephone Splitters

Connect multiple phone lines to a single telephone jack

Telephone Cord Swivels

Telephone Cord Swivels

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

Telephone Cords

Telephone Cords

Connect telephones to data outlets

Telephone Connectors

Telephone Connectors

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

Microphones

Communicate through speakers, public address systems, and radios

Intercoms

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

Public Address Systems

Public Address Systems

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

Megaphones

Amplify your voice without hooking up to a speaker

Signal Boosters

Signal Boosters

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

RFID Reader/Writers

RFID Reader/Writers

Scan RFID tags and cards to track inventory or grant building access

Computer Monitors

Computer Monitors

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

Electrical

Human-Machine Interfaces

Human-Machine Interfaces

Control PLCs, inverters, and other automated equipment; also known as HMIs

Edge Controllers

Edge Controllers

Use in automated systems to monitor sensors, control actuators, and support wireless connections

Single-Board Computers

Single-Board Computers

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

Development Boards

Development Boards

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

Programmable Logic Controllers

Programmable Logic Controllers

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

Programmable Logic Controller Communication Modules

Programmable Logic Controller Communication Modules

Connect and communicate simultaneously with multiple automation devices

Programmable Logic Controller Input and Output Modules

Programmable Logic Controller Input and Output Modules

Connect switches, transmitters, and actuators to your PLC for complex automation jobs

Programmable Logic Controller Expansion Modules

Programmable Logic Controller Expansion Modules

Increase the number of inputs and outputs for your PLC

Ethernet Switches

Ethernet Switches

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

Computers

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

IO Link Programmers

IO Link Programmers

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

Tablets

Tough enough to withstand drops, grime, and heavy use

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Electrical Cord Reels

Electrical Cord Reels

Neatly store electrical cords for easy access

Electrical Cable

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

Electrical Sockets

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

Electrical Plugs

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

Safety Equipment

Earplugs

Protect your hearing in loud environments without the bulk of earmuffs

Earmuffs

Dampen loud noises to protect hearing

Measuring and Inspecting

Inertial Measurement Units

Inertial Measurement Units

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

Line Testers

Diagnose issues in telephone lines or Ethernet cables

Fluid Handling

Pressure Transmitters

Pressure Transmitters

Send pressure readings to controllers and remote displays

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)