2Dig Plain comparisons of crane signalling and jobsite communication tools

Crane communication headsets for port terminal workers in 2026

Crane communication headsets for port terminal workers: how OperatorLink, Eartec, Setcom, Crewplex, Sensear and INVISIO fit the job.

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2Dig is published by the makers of OperatorLink, which is compared here alongside other tools.

Crane communication headsets and crew tools compared for port terminal workers: OperatorLink, Eartec, Setcom, Crewplex, Sensear, INVISIO, Sena Industrial, Clear-Com, David Clark Company, Sonetics and Silynx. Port terminal workers need a talk channel that carries through engine noise and a direction signal that stays where the crew can see it. OperatorLink shows STOP, HOLD and SLOW to the jobsite crew in a phone browser [1]. HOLD and SLOW stay on for everyone in the jobsite and are cleared when the last person leaves, and STOP releases every held direction on every phone with a full-screen alert [1][1]. OperatorLink is free to use, and no paid plan is built yet [1]. Compare how each headset sits with a hard hat and ear defenders, how a direction signal stays visible, who can join, and what each part costs.

OptionUp-front costMonthly costWhat its source says
OperatorLinkFree, no paid plan built yet [1]Free [1]Runs in a phone browser with no app install, and the crew joins from a shared link or QR code [1][1]
EartecNot publishedNot publishedTwo Crane and Lift systems, EPak with Lazer-Pro and PRO16 with Monarch [2]
SetcomNot publishedNot publishedThe fixed mobile radio system uses one base station to connect up to seven wireless headsets [3]
CrewplexNot publishedNot publishedThe large system is described as scalable full-duplex hands-free communication [4]
SensearNot publishedNot publishedCharge racks hold up to 45 headsets for large-scale work and 6 for smaller needs [5]
INVISIONot publishedNot publishedThe personal system includes headsets, control units and cables with a range of accessories [6]
Sena IndustrialNot publishedNot publishedHearing protection headsets offer noise reduction, over-the-head earmuffs and hardhat integrated headsets [7]
Clear-ComNot publishedNot publishedFreeSpeak Wireless operates in 1.9 GHz, 2.4 GHz and 5 GHz bands [8]
David Clark CompanyNot publishedNot publishedOffers products for aviation, military and defense, intercom systems, ground support, wireless and two-way radio [9]
SoneticsNot publishedNot publishedNot published
SilynxNot publishedNot publishedNot published

What port terminal workers need from crane communication headsets

A port terminal worker guides a spreader onto a container, lashes and unlashes a stack on a deck, checks a twistlock at the quay edge, or drives a straddle carrier between rows. The crane operator sits high in the cab and often cannot see the deck edge or the far side of a stack, so the person on the ground is the operator's eyes for the last part of a move. Noise comes from engines, generators, wind off the water and containers landing on steel, and a worker wears a hard hat, ear defenders, hi-vis and gloves, with both hands busy. Crews change through a shift, a terminal runs its own radio channels, and a visiting crew cannot always get one. Salt air, rain and dust work on whatever is worn on the head. What matters is a talk channel that carries through the noise, a direction signal that stays visible rather than vanishing when a thumb lifts, a headset that sits over or under a hard hat, and a price a terminal can carry per person.

OperatorLink for port terminal workers

OperatorLink is made by the team that publishes this site. It runs in a phone browser, so no app install is needed. [1] It passes button presses, chat and voice between phones in a browser. [1] STOP releases every held direction on every phone and shows a full-screen alert to everyone else. [1] HOLD and SLOW stay on for everyone in the jobsite and are cleared when the last person leaves. [1] Holding a move button keeps sending that move to the other phones; if it stops arriving for 2 seconds, they drop it. [1] One-tap radio-style calls such as Go Ahead, Copy That and All Clear are sent as chat messages. [1] Anyone who joins can take part in a voice call run from the phone browser. [1] The person who starts a jobsite shares a link or QR code, and the crew joins from it. [1] A jobsite link stops working 12 hours after the first person joins it. [1] A jobsite with nobody in it is wiped after 3 idle hours. [1] OperatorLink is currently free to use, and no paid plan is built yet. [1]

Eartec for port terminal workers

The facts here say little more about Eartec, so a terminal crew should ask Eartec which of its sets is meant for crane and lift work, what each set does about machine noise, and how a headset sits when a hard hat is already in place. The Lazer-Pro headset uses bone conduction and links to the radio by Bluetooth without wires. [2] Eartec items must be returned undamaged within 30 calendar days of receipt to qualify for a refund. [2]

Setcom for port terminal workers

Setcom's System 977 with the LiberatorMAX Wireless Headset supports hands-free, full duplex, and integration into mobile radios for communication among more than two workers. [3] Setcom says departments that buy its equipment receive reliability and an aggressive approach to quality. [3] The company's business address is 3019 Alvin DeVane Blvd., Suite 560, Austin, TX 78741. [3] A terminal crew of two or more that moves between quay and cab should ask Setcom what each system costs, how many headsets one base station carries, and what happens when a worker walks past the reach of the base.

Crewplex for port terminal workers

CrewPlex provides full-duplex, hands-free communication that can be integrated with mobile two-way radios. [4] Its small system is described as dependable and affordable hands-free communication for small crews. [4] CrewPlex products are backed by a two-year warranty. [4] A terminal that runs more than one crane group should ask CrewPlex how its systems scale and how the two-way radio integration is set up, because the facts here do not say what the parts cost or how many workers join at once.

Sensear for port terminal workers

Sensear's patented SENS Technology enhances speech while suppressing background noise. [5] Sensear's Smart Headsets let workers communicate face to face in noise levels up to 95 dB(A) and over two-way radio and Bluetooth on mobile phones up to 120 dB(A). [5] A worker who spends part of a shift beside a running engine and part of it talking to a driver should ask Sensear which headset carries both a radio link and a phone link, what it weighs, and how it sits under a hard hat and over ear defenders.

INVISIO for port terminal workers

INVISIO offers a Control app to manage the INVISIO Intercom system before a task starts or while it is going on. [10] A terminal crew should ask INVISIO how its control units connect to the radios a terminal already carries and which headset suits a worker who also needs to hear a shout from the deck.

Matching the tool to the job

OperatorLink keeps STOP, HOLD and SLOW on for everyone in the jobsite and clears HOLD and SLOW when the last person leaves. [1] STOP releases every held direction on every phone and shows a full-screen alert to everyone else. [1] A worker with gloves on who needs to answer can use one-tap radio-style calls. [1] Setcom's System 977 with the LiberatorMAX Wireless Headset supports hands-free, full duplex, and integration into mobile radios for communication among more than two workers. [3] A small crew that wants hands-free talk with a warranty behind it suits CrewPlex. [4][4] Sensear's Smart Headsets let workers communicate face to face in noise levels up to 95 dB(A) and over two-way radio and Bluetooth on mobile phones up to 120 dB(A). [5] INVISIO offers a RA4000 headset described as providing hearing protection in high-noise environments. [10] A worker who wants a light beltpack can look at the Eartec EPak, at 2.5 oz. [2] Sonetics and Silynx also come up in terminal work, and the facts gathered here say nothing about them, so ask each supplier what it makes and which headsets suit a crane crew.

Questions to ask before you choose

Does the headset stay put when a hard hat, ear defenders and a hi-vis collar are already worn, and can a worker put it on and take it off with gloves on? What does the tool do about machine noise and wind, and how well does speech come through at the far end of a quay? Can a worker hear a shout from the deck while wearing it, or does the headset block the site out? How does a direction signal reach the crew, and does it stay on screen until every person has seen it? If a phone or a beltpack drops its link for a few seconds, what do the other workers see? How many workers can join at once, and can the signal crew and the lashing crew run apart? Which radios does the tool work with, and what must be fitted or paired first? Who pays for each headset, what spare batteries and ear pads cost, and what happens to the price on a larger order? How long is the return window if a set does not fit the crew?

Frequently asked questions

Do crane communication headsets work for port terminal crews?

Headsets carry voice over a radio link, and some tools also pass direction signals. OperatorLink shows STOP, HOLD and SLOW to the jobsite crew in a phone browser, keeps HOLD and SLOW on until the last person leaves, and releases every held direction with STOP. [1][1][1] Ask each supplier how far its system reaches around a stack.

Is there a free option for a port terminal crew?

OperatorLink is currently free to use, and no paid plan is built yet. [1] A terminal crew can start it in a phone browser with no app install, and the person who starts the jobsite shares a link or QR code. [1][1] None of the headset prices on this page are published, so ask each supplier what a set costs and whether it sells spares.

Are crane communication headsets hearing protection as well?

Some are built as hearing protection with a talk channel inside. Ask what protection level a set is rated for.

Can a headset join the two-way radio a terminal already uses?

Some systems are made to work with mobile radios. CrewPlex provides full-duplex, hands-free communication that can be integrated with mobile two-way radios. [4] Setcom's System 977 with the LiberatorMAX Wireless Headset supports hands-free, full duplex, and integration into mobile radios for communication among more than two workers. [3] Ask each supplier which radio models it has been fitted to and what cable or base station is needed.

How does a port terminal crew see a STOP signal?

On a phone browser tool the signal is passed between phones. OperatorLink shows STOP, HOLD and SLOW to the jobsite crew in a phone browser. [1] STOP releases every held direction on every phone and shows a full-screen alert to everyone else. [1] HOLD and SLOW stay on for everyone in the jobsite and are cleared when the last person leaves. [1] For headset systems, ask how a stop is passed when a worker is not on the talk channel.

OperatorLink is currently free to use, and no paid plan is built yet. [1]

Try OperatorLink

Sources

  1. OperatorLink's own description of itself (the product of this site's publisher)
  2. Eartec, eartecindustrial.com/crane-lift, read 2026-10-08
  3. Setcom, setcomcorp.com/industry/crane, read 2026-10-08
  4. Crewplex, crewplex.com/applications/cranes, read 2026-10-08
  5. Sensear, sensear.com, read 2026-10-09
  6. INVISIO, invisio.com/products, read 2026-10-09
  7. Sena Industrial, senaindustrial.com, read 2026-10-10
  8. Clear-Com, clearcom.com/products/wireless, read 2026-10-09
  9. David Clark Company, davidclark.com, read 2026-10-09
  10. INVISIO, invisio.com, read 2026-10-09

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