Mobile technology changed society by giving individuals a personal communications link to family, friends and the office. While business use has always been part of the mobile technology story, the consumer focus and best-effort service delivery for Internet access created limitations for mission critical enterprise operations. The latest LTE advancements radically change this picture and set the stage for flexible large-scale mission critical systems for public safety operations and key sectors including public safety, transport, utilities, oil and gas. Innovations that leverage these networks will speed delivery of emergency services to citizens in need, saving lives and enhancing safety. CritComm Insights tracks these critical communications innovations serving these vital sectors.