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VarAC for EmComm

The ultimate tool
for emergency communications

EmComm: Welcome

When everything fails
VarAC delivers

When confronted with a crisis, VarAC stands as the sole platform offering a complete and all-encompassing emergency communications solution.

VarAC takes on the responsibility of efficiently delivering your critical messages, allowing you to concentrate on effectively managing the crisis at hand.

EmComm: Text
EmComm: Video

Download the VarAC EmComm tactical scenarios guide

Click here for non-english version

EmComm: About Us

VarAC features & values for EmComm

Reliable link

under poor conditions

Low power? Small antennas? Bad location? Portable setup? VarAC has got you covered. VarAC is built from the ground up for QRP operations with challenging SNR levels. Even at -22dB, VarAC is still able to maintain a link and decode incoming traffic.


Lightning fast!

VarAC, powered by the VARA protocol, offers the fastest data transfer rates for HF/VHF/UHF, surpassing any other on the planet:
HF: 1500 Bps (500Hz BW) / 7050 Bps (2300Hz BW)
V/UHF FM 13,000 Bps (Narrow BW) / 25,000 Bps (Wide BW)

Guaranteed delivery

100% rock solid

QSB? Noise? No problem. With VarAC, you can have full confidence that your messages will be delivered using the VARA ARQ mode, ensuring 100% certainty.


Spread the word fast

Send messages to individuals or groups in one transmission, propagate broadcasts through digipeater chains for wider reach, and enable group chat among EmComm operators.

Realtime Alerts

Triggered by tags

Ensure widespread awareness of an incident with just one transmission by sending agreed-upon keywords to trigger visual and sound alerts throughout your entire EmComm chain.

Path finder

Reach the unreachable

Looking to convey an important message without a direct connection? VarAC can assist you in locating the appropriate intermediaries who can effectively deliver your message.

Alert Center

Manage your alerts

A consolidated interface that presents a comprehensive display of incoming alerts originating from various sources such as beacons, data feeds, broadcasts, and CQs. Simply click on an alert to initiate a seamless and user-friendly response.

High concurrency

Using multiple channels

Eliminate the hassle of tracking frequency lists. With VarAC, all EmComm operators can tune in to a single frequency. Leveraging VarAC's slot-based technology, multiple links can occur simultaneously, and VarAC automatically controls your VFO for seamless operation.

Constant beaconing

Track your EmComm team

Ensure constant availability and reachability of your team with VarAC beacons. Utilize beacons as a keepalive mechanism to confirm presence and track propagation among EmComm operators.


And relay notifications

Effortlessly send VarAC Mails (Vmails) to individuals or groups. Benefit from smart relay notifications that promptly alert EmComm operators about pending messages awaiting retrieval.

File transfer

For Forms, Images & more

VarAC offers lightning-fast file transfers, enabling quick sharing of compressed images, documents, and forms. You can accomplish this swiftly, even with unattended EmComm stations.

Forms & Templates

ICS standard and others

Utilize any of the pre-existing ICS message templates available or craft your own as per your requirements.

GPS integration

Reflect current location

Effortlessly maintaining real-time updates of your location during a crisis ensures your team remains informed of your precise whereabouts.

EmComm: List
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