Motorola x Gamma Roundtable | Doing BDAs Right, Uplink Commissioning, and Protecting Public Safety

Das Talk

Welcome to a special episode of DAS Talk, presented by DAS University and hosted by Peter (VP of Gamma Electronics). This time, we’re on-site at Motorola’s Fort Lauderdale headquarters for a powerful roundtable conversation with Rich Jimenez (Motorola Solutions) and Rick Rausch (Gamma Electronics). In this extended discussion, we dive into one of the most critical issues in the world of in-building communications: how to properly design, deploy, and maintain BDAs (Bi-Directional Amplifiers) and Public Safety DAS systems without creating interference or compromising the macro network. What you’ll learn in this episode: • Why “doing BDAs right” matters for public safety—and what happens when they’re done wrong. • Real-world case studies: dual BDA installs causing cross-oscillation, uplink noise, and control channel failures. • The importance of 20 dB isolation above system gain and how to prevent oscillation feedback. • The dangers of the “more power is better” myth—and how it raises the noise floor for entire jurisdictions. • How uplink commissioning works and why it’s the most overlooked (yet critical) step. • Campus solutions: one head end with fiber-fed remotes vs. multiple competing BDAs. • How Motorola became manufacturer-agnostic and works with partners nationwide to ensure systems are clean and reliable. • The role of training for every stakeholder: AHJs, inspectors, integrators, installers, and radio network managers. • A look into P25 technology improvements and why jurisdictions are expanding acceptable RSSI thresholds (from -95 down to -102 dBm). This conversation is technical, detailed, and packed with lessons for integrators, AHJs, engineers, and first responder agencies navigating the future of ERRCS. DAS Talk is your source for bridging the gap between technology, safety, and communication. Stay tuned for more episodes as we continue bringing you insights from the leaders shaping the future of in-building public safety communications.