Taking Aviation Communications to New Heights
Empower airports and aviation/aerospace organizations to communicate seamlessly with any comms endpoint, coordinate without delay, and respond to incidents without hesitation.
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Aviation Safety Requires Communication Excellence. REDCOM Delivers.
In aviation, every second counts and every word matters. Whether it’s coordinating flight operations, enabling secure air-to-ground communications, ensuring crew and passenger safety, or communicating with public safety teams, reliable connectivity is mission-critical. REDCOM delivers the technology to make that possible.
Why is REDCOM Sigma a Great Comms Platform for Airports ?
- Unmatched Interoperability
- Quick Adoption & Deployment
- Easy to Learn
- Affordable Licensing Model

We've Created the Gold Standard in Airborne Connectivity
REDCOM Sigma® is a proven command-and-control communications platform engineered for mission-critical environments. Trusted by the U.S Army, U.S Air Force, and other DoD organizations, our products thrive in environments where flawless communication isn’t just a necessity; lives depend on it. Sigma brings the same reliability, flexibility, and security to the aviation and aerospace industries.
Command the Skies with Seamless Communications
Interoperable Comms, Regardless of Endpoint
From the P25 radios commonly used by public safety agencies to cell phones, desk phones, and other endpoints, Sigma can connect them all. Integrating REDCOM Sigma into your organization or airport’s communication plan enables unified communications even when outside agencies use disparate radios and other communications tech.


Unify Airport Communications & Crossband Radio Networks With Sigma XRI
The REDCOM Sigma XRI is a Small-Form-Factor Command and Control (C2) platform featuring voice, video, chat, and radio interoperability, along with an integrated console. It is more than just a basic radio gateway. Users can bridge radio nets, satellite communications, LTE networks, and wired or wireless IP in any form.
Communicate Across Agencies
Instantly link the disparate radios, softphones, and other communication endpoints that different organizations use.
IP-Based PTT Voice Integration
REDCOM Sigma XRI enables seamless interoperability with unicast and multicast RTP-capable radios and PTT apps.
When Every Second Counts, REDCOM Delivers
Control and Organize All Airport Comms From a Single Device
Airports require a high level of communication and coordination. REDCOM Sigma® C2 Console is a powerful app that provides operators with a single pane of glass to monitor and control all communications, including both SIP and radio endpoints.
Operators can create persistent and ad-hoc channels, keeping comms organized. New users can be trained on Sigma in hours or days, not weeks — perfect for airports looking to quickly bring employees up to speed.

Secure, Scalable, and Sky-High Reliable
For over 40 years, REDCOM has powered mission-critical communications for the U.S. military and global partners. That same pedigree of security, reliability, and innovation is now available to the aviation and aerospace industry.
When lives and missions are on the line, REDCOM Sigma keeps you connected — from the runway to 30,000 feet, and beyond.
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