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Power Resilience at Hybrid LMR and Broadband Sites Under Longer Outage Conditions

Power Resilience at Hybrid LMR and Broadband Sites Under Longer Outage Conditions Legacy radio frequency (RF) transmission towers are no longer simply about transmitting, receiving, combining, filtering, feeding and connecting signals via antennas. Many of today’s sites are equipped with internet protocol (IP) based communication devices, broadband routers, timing devices, remote monitoring equipment, network switches,

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August 18, 2026 No Comments

Indoor DAS Monitoring as an Early Warning Layer for Signal Booster Instability and Hidden Coverage Loss

Coverage Can Change Between Formal Tests After formal acceptance and certification of an indoor public safety radio coverage system, there are several ways that radio frequency (RF) conditions can be altered. Some of the common causes for changes include tenant improvements; new walls constructed; moving equipment, damaging cables; changing antennas; adjusting amplifiers; and altering the

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August 13, 2026 No Comments

Annual ERCES Testing Becoming a Data Continuity Problem for Building Owners, AHJs, and Field Service Teams

Annual Testing Has Become A Continuity Requirement For Emergency Responder Communication Enhancement Systems (ERCES) Public safety radio coverage is now considered a continuous maintenance requirement and not a “one-and-done” installation that gets forgotten about until something goes wrong. According to the 2024 International Fire Code (IFC), there is an obligation to maintain the functionality of

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August 11, 2026 No Comments

Field Service Is Becoming Part of Compliance for Public Safety Radio Coverage Systems

Field Services Compliance Has Moved Into The Operating Phase No longer considered static, public safety radio coverage systems are no longer simply “accepted” once and then ignored until there is a failure. Public safety radio coverage systems have entered buildings that are being renovated, re-arranged, leased, enlarged, and interconnected with additional radio frequency (RF) systems

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July 30, 2026 No Comments

MCX Interoperability Maturity Increasing Pressure on Legacy LMR Sites to Support Broadband Voice, Data, and Video Coexistence

MCX Maturity Moving Toward Operational Interoperability Broadband for mission critical applications is transitioning from standards discussions into actual operational interoperation. ETSI’s tenth Mission Critical Services Plugtests, which tested mission critical services (mc) in 4g and 5g networks, indicated an interoperability success rate of approximately 92% of the overall tests conducted. The tests evaluated mission critical

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July 28, 2026 No Comments

P25 Control Channel Decode Margin Loss Under Dense Broadband, BDA, and Mobile Command RF Activity

Hidden Failures of the P25 Trunked System Control Channel Public Safety Communications (PSC) agencies rely upon reliable P25 trunked system control channels for successful registration, affiliation, assignment of channel grants, and attachment to a given system resource. While the failure point is typically identified as poor voice audio quality, the first indication of a “hidden”

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July 16, 2026 No Comments

AI Video, Drone Telemetry, and Incident Broadband Cells Increasing Temporary RF Noise Exposure Around P25 Command Post Receive Paths

Incident broadband load becomes the receive path problem Incident scenes today have more transmitters than there are frequency slots in the static LMR plans. In addition to P25 portable repeaters and interoperability gateways, incident scenes have vehicular routers, body camera docks, unmanned aircraft controllers, broadband modems, satellite terminals, temporary LTE or 5g cells, etc. In

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July 9, 2026 No Comments

Satellite to Cellular Public Safety Coverage Extensions and RF Coexistence Pressure Around Ground Based LMR Gateway Sites

Satellite Access Moves to a Public Safety Coverage Layer The new FCC framework for supplemental coverage from space (SCS) allows satellite and terrestrial operators to utilize terrestrial mobile spectrum via defined authorizations and interference protection. This framework utilizes FirstNet licensed 700 MHz public safety BroadBand spectrum, often referred to as Band 14, for SCS purposes

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July 7, 2026 No Comments

Band 14 Growth Changes the Receiver Protection Problem

Band 14 Growth Changes the Receiver Protection Problem The growth of public safety broadband isn’t eliminating LMR from critical communications architecture. Rather, it’s moving broadband systems closer to narrowband P25 receivers that were designed for earlier assumptions regarding rf density. FirstNet will continue to utilize Band 14 spectrum for public safety broadband purposes as part

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June 23, 2026 No Comments

Code Driven Coverage Expansion and RF Density

Code Driven Coverage Expansion and RF Density Radio Frequency (RF) emergency responder communication coverage systems have evolved from an infrequent special purpose installation to a standard component of public safety communications planning in new buildings, renovated facilities, tunnels, campuses, hospitals, schools, high-rise structures, and hardened public venues. The International Fire Code utilizes emergency responder communication

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June 19, 2026 No Comments
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