CONTACT · SECURE INTAKE
Let's talk about your spectrum problem.
Program offices, prime integrators, allied partners, and operational end users — we respond to every inquiry within one business day.
PRIMARY POINT OF CONTACT
contact@four-signal.comSend us a short note describing your platform, environment, and mission. If your request is time-sensitive or classified, flag it in the subject line and we will route accordingly.
Programs & Capture
SBIR, OTA, and direct program integrations.
Engineering
Platform fit, radio compatibility, test collaboration.
Operations
Contracting, compliance, and delivery logistics.
Media & Partners
Press, allied government, and strategic partners.