CritComm Insights is an industry research firm focused on mobile wireless critical communications technology that supports governmental public safety operations and enterprise life-safety processes. With market research that covers public safety broadband networking (PSBN), TETRA, and Project 25, CCI is the leading voice on the technology transformation from land mobile radio/professional mobile radio to mobile broadband. In addition to research on radio evolution, CCI tracks the emerging software technologies built upon the mission-critical broadband capabilities of LTE and 5G. These technologies include situational awareness tools, digital command systems, and personnel location capabilities.

CCI provides pro bono assistance to Government agencies navigating the changing technology options. For suppliers and service providers, CCI offers market research and go-to-market consultancy.

Research topics include:

  • Networks (LTE, 5G, LMR infrastructure and operator offers).
  • In-building access (small cells, DAS, vehicle repeater systems).
  • Communications devices (LMR and LTE/5G evolution).
  • IoT for public safety (drones, sensors).
  • Applications (location tracking, digital command platforms).

We analyze the evolution of these technologies and their operational impact on agencies and communities.


Ken Rehbehn

Founder & Principal Analyst,
CritComm Insights

Founder and Principal Analyst Ken Rehbehn delivers industry analysis addressing the international landscape of systems, networks, professional services, devices, and applications that provide a thriving ecosystem for public safety/industrial communications innovation. He tracks changes in mobile broadband network evolution (LTE, 5G), critical communications group voice (3GPP Mission-Critical Push-to-Talk, DMR, TETRA, and Project25), location capabilities, NG9-1-1/112, Public Protection and Disaster Relief (PPDR) spectrum issues, and public safety/industrial Internet of Things (IoT).

Ken combines decades of experience in data communications technology with an extensive background as a former 9-1-1 dispatcher and paramedic. He is currently an active firefighter/EMT with Montgomery County Fire and Rescue Services in Bethesda, Maryland. As a first responder, he uses the Project 25 (Motorola APX series) and LTE (FirstNet and Verizon) devices and applications during incident responses. This hands-on experience with trunked radio systems and public safety mobile data applications brings first-hand experience & understanding from the user's perspective. 

As a long-time wireless industry analyst, Ken has tracked 2G/3G/4G/5G 3GPP radio access network (RAN) technology solutions providing value to consumers, enterprises, and government. Beyond 3GPP technologies, Ken monitors the impact of mission-critical LTE/5G on TETRA and Project 25 narrowband group voice technologies. His research on radio technology elements encompassed 2G/3G/4G/5G macro base stations, small cells, cell site antennas, Distributed Antenna Systems (DAS), RAN service assurance, and RAN planning software.

Ken is a frequent speaker at industry conferences, webinars, and internal strategy sessions conducted by network operators and equipment suppliers. Past public speaking appearances have included Brooklyn 5G Summit Master of Ceremonies (2015 and 2016), Critical Communications World (2018, 2019), APCO International annual conference (2018), IWCE (2012 to 2021), 5G World (2018), and other significant events in North America, Europe, and Asia.

As a strategic thinker, Ken is frequently sought for strategy development and product message testing. His ability to quickly grasp complex industry and government policy challenges and communicate actionable recommendations makes him a valuable partner for innovative agencies and companies.