Eartec vs INVISIO in 2026

Q: Does OperatorLink work on iPhone?

OperatorLink runs in a phone browser with no app install . A phone can add it to its home screen as a standalone app . On Android browsers, signals such as STOP make the phone buzz, but iPhone Safari ignores the buzz . A crew with iPhones should check whether the full-screen alert is enough for its needs.

Compare Eartec and INVISIO for a crane crew: what each is built for, its published prices, setup on a jobsite, and how to choose between them.

By 2Dig · 2026-10-13

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

Eartec's page describes two headset systems, EPak with Lazer-Pro and PRO16 with Monarch ^[1], and INVISIO's page describes integrated communication systems for defense and public safety professionals ^[2]. OperatorLink shows STOP, HOLD and SLOW to a crane crew and passes button presses, chat and voice between phones in a browser ^[3]. Which option suits a crew depends on what the crew needs, and the sections below set out what each source covers.

Option	Own fee	Card fee
Eartec	not published	not published
INVISIO	not published	not published
OperatorLink	Free to use; no paid plan is built yet ^[3]	not published

The short answer

A crane crew member needs to get signals to the whole crew while the crane moves, and needs to hear and talk clearly over machinery noise.

Eartec's headsets link to the radio by Bluetooth without wires ^[1], and its page describes noise-canceling microphones that filter out background machinery noise ^[1]. INVISIO's page describes hearing protection headsets and tactical smart hubs, along with a Control app for its intercom system ^[4]. OperatorLink shows STOP, HOLD and SLOW to the crew and passes button presses, chat and voice between phones in a browser ^[3].

Eartec's sources meet a need for noise-canceling talk with multiple users on one setup ^[1]. INVISIO's sources meet a need for hearing protection in high-noise environments ^[4]. OperatorLink's sources meet a need for shared stop, hold and slow signals ^[3]. Neither the Eartec nor the INVISIO sources describe signal alerts such as STOP, so a crew with that need should check it directly with them.

What Eartec, INVISIO is built for

Eartec's page describes two Crane and Lift headset systems, EPak with Lazer-Pro and PRO16 with Monarch ^[1]. Both systems allow multiple users to connect and communicate at the same time on the same setup ^[1], and users can add more crew members at any time ^[1]. The Lazer-Pro headsets carry an IP65 certification, which the page describes as fully dustproof and waterproof ^[1]. The Lazer-Pro headset links to the radio by Bluetooth, without wires or cables ^[1]. All Eartec headsets include noise-canceling microphone technology to filter out background machinery noise ^[1]. The EPak beltpack weighs 2.5 oz and is worn clipped to clothing or tucked inside a pocket ^[1].

INVISIO develops integrated communication systems for defense and public safety professionals, according to its page ^[2]. Its personal, mounted and intercom systems are based on simplicity, modularity and flexibility ^[2]. The personal system includes headsets, control units, and cables, complemented by a range of accessories ^[2]. The RA4000 headset is described as providing ultimate hearing protection in high-noise environments ^[4]. The T7 is a submersible and lightweight tactical over-the-ear hearing protection headset ^[2], and the X5 is an in-ear hearing protection headset with natural situational awareness ^[2]. The H4 is a compact 4-port tactical smart hub ^[2], and the H6 is a 6-port tactical smart hub for complex missions ^[2]. The Control app manages the INVISIO Intercom system pre-mission or on the go ^[4]. INVISIO Link provides unlimited mobility through wireless communications ^[2].

The facts gathered for this page do not say how either tool passes a signal such as STOP to the whole crew, so this page does not state that either one does.

What OperatorLink is built for

OperatorLink is made by the team that publishes this site. For a crane crew member, it shows STOP, HOLD and SLOW to the jobsite crew, and passes button presses, chat and voice between phones in a browser ^[3]. A STOP releases every held direction on every phone and shows a full-screen alert to everyone else ^[3]. HOLD and SLOW stay on for everyone in the jobsite and are cleared when the last person leaves ^[3]. Holding a move button keeps sending that move to the other phones, and if the move stops arriving for 2 seconds, the other phones drop it ^[3]. One-tap messages such as Go Ahead, Copy That and All Clear are sent as chat ^[3]. Anyone who joins can take part in a voice call run from the phone browser ^[3].

Pricing and fees

The facts gathered for this page do not give a price for Eartec headsets, so no Eartec price is stated here. Eartec's page says that if a customer chooses Expedited shipping and returns the set, the shipping fee is deducted from the refund ^[1].

The facts gathered for this page do not give a price for INVISIO products either, so no INVISIO price is stated here.

OperatorLink is currently free to use, and no paid plan is built yet ^[3]. The card fee is not published for any option on this page, so a crew that expects to pay one should ask each provider for it before choosing.

Setting it up on a jobsite

OperatorLink runs in a phone browser with no app install ^[3]. The person who starts a jobsite shares a link or QR code, and the crew joins from it ^[3]. Phones can add the app to their home screen as a standalone app ^[3]. A jobsite link stops working 12 hours after the first person joins ^[3], and a jobsite with nobody in it is wiped after 3 idle hours ^[3]. Button presses, chat and voice pass between phones in the browser ^[3].

For Eartec, the facts gathered here say that users can be added at any time ^[1] and that multiple users can connect on one setup ^[1]. Orders ship within 1-3 business days ^[1], so a crew should plan its order ahead of a job. Beyond the Bluetooth link on the Lazer-Pro headset ^[1], the facts do not describe how the crew is connected to the radio.

The Control app is described as a way to manage the INVISIO Intercom system pre-mission or on the go ^[4]. The facts gathered for this page do not describe how a crew is added to an INVISIO system or how signals pass between its units, so check that with INVISIO before a shift.

Things to check before you choose

Which phones does the crew use? On Android browsers a signal such as STOP makes the phone buzz, but iPhone Safari ignores the buzz, so check whether a buzz alert matters for your crew ^[3].

How many people need to be on one setup? Eartec's systems allow multiple users ^[1], so ask INVISIO how many people its personal system supports before choosing.

Does a jobsite link that stops working 12 hours after the first person joins suit your shifts? ^[3]

What is the return policy, and what will each option cost? Eartec's page says customers can buy a set, try it, and return it for a full refund if they do not like it ^[1]. Items must come back undamaged within 30 calendar days of receipt ^[1]. Ask INVISIO and OperatorLink for their current terms before you choose.

Which signals does the crew need on a jobsite, and how will you test that each option passes them before a lift?

How to choose

If the crew needs a stop that reaches every phone, OperatorLink's sources describe a STOP that releases every held direction and shows a full-screen alert to everyone else ^[3]. If the crew needs HOLD and SLOW to stay on for everyone until the last person leaves, OperatorLink's sources describe that as well ^[3]. If the crew needs headsets with noise-canceling microphones, Eartec's sources describe that feature ^[1]. If the crew needs multiple users on one setup, Eartec's sources describe that ^[1]. If the crew needs hearing protection in high-noise environments, INVISIO's sources describe the RA4000 for that ^[4]. If the crew needs a free start with no paid plan, OperatorLink is currently free to use ^[3]. If the crew wants to try a set and return it, Eartec's page describes a full refund for that ^[1]. A crew that needs both shared signals and headset hardware should check each option against both needs, because no single source here covers both.

Frequently asked questions

Does Eartec offer a full refund if a crew member does not like the set?

Eartec's page says customers can buy a set, try it, and return it for a full refund if they do not like it ^[1]. Items must be returned undamaged within 30 calendar days from the date they were received to qualify ^[1]. If the set was shipped Expedited and is returned, the shipping fee is deducted from the refund ^[1]. The facts gathered for this page do not give an Eartec set price, so ask Eartec for it before buying.

Does INVISIO publish prices for its headsets?

The facts gathered for this page do not give INVISIO prices, so no price is stated here. Its page describes a personal system that includes headsets, control units, and cables, complemented by a range of accessories ^[2]. The Control app is described as a way to manage the INVISIO Intercom system pre-mission or on the go ^[4]. Check INVISIO's current pricing directly before choosing, since no card fee is published here either.

Does OperatorLink work on iPhone?

OperatorLink runs in a phone browser with no app install ^[3]. A phone can add it to its home screen as a standalone app ^[3]. On Android browsers, signals such as STOP make the phone buzz, but iPhone Safari ignores the buzz ^[3]. A crew with iPhones should check whether the full-screen alert is enough for its needs.

Is OperatorLink free to use?

OperatorLink is currently free to use, and no paid plan is built yet ^[3]. The sources cited on this page give no price beyond that. The card fee is not published for any option on this page, so a crew that expects to pay one should check before choosing. Prices can change, so confirm the current terms with the product before a shift.

How long does an OperatorLink jobsite link last?

A jobsite link stops working 12 hours after the first person joins it ^[3]. A jobsite with nobody in it is wiped after 3 idle hours ^[3]. The person who starts a jobsite shares a link or QR code, and the crew joins from it ^[3]. A crew whose shift runs past 12 hours should start a new jobsite with a fresh link ^[3].

OperatorLink is currently free to use, and no paid plan is built yet. ^[3]

Try OperatorLink