Control boards, radio interfaces, and specialized hardware engineered for real-world repeater, AllStar, and RoIP systems.
Analog control and AllStar integration for Yaesu DR-1X repeater systems while preserving AUTO-AUTO operation without internal modification.
Radio interface for AllStar Link and HamVOIP systems with adjustable audio, DB-9 radio connection, and onboard amplification.
External transmitter RF detection for MABEL installations without opening the repeater to tap an internal transmitter-active signal.
The Custom Communications modular rack system uses a four-position front panel with interchangeable Pi carriers and accessory plates for MMDVM and other radio-project builds.
Starter configurations from $36.99 • Custom four-position builds $46.99
View Rack System →Practical hardware for amateur radio, repeater, linking, and remote communications applications.
Custom Communications focuses on electronics that solve specific radio and repeater problems. The goal is straightforward: useful hardware, understandable connections, and documentation you can actually use at the bench or repeater site.
Built around real installation and service needs.
Accessible connectors, adjustments, and documentation.
Manuals, setup information, parts lists, and schematics.
Purpose-built solutions instead of generic one-size-fits-all boxes.
Technical resources are organized by product so you can get to the information you need without digging through unrelated downloads.
Browse Documentation →For product, compatibility, and ordering questions, email Custom Communications.