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One week before exhibiting at IWCE 2026 Catalyst CEO Robin Grier announced in an interview with Donny Jackson, editor or Urgentcomm, that interoperability solutions provider Catalyst Communications has confirmed that its Catalyst Dispatch platform will be integrated with FirstNet Fusion, the next-generation mission-critical communications (MCX) ecosystem being developed by the FirstNet unit of AT&T. FirstNet is the contractor responsible for building and operating the United States’ nationwide public-safety broadband network (NPSBN).