Project 25

Harris announces completion of P25 system in Wisconsin

An eight-site VHF simulcast system operating on 10 channels, the Washington County network replaces a legacy conventional system, satisfies the county’s obligation to meet the FCC’s narrowbanding mandate.

Harris P25 units to be used on Oregon statewide network

The state will purchase Harris’ Project 25 ISSI-compliant mobile and portable radios for multiband capabilities within a single radio unit.

Kenwood, PowerTrunk to partner on P25 systems

The two companies would jointly market Project 25 systems that would feature the former’s mobile and portable subscriber units and the latter’s IP-based infrastructure.

Article

How to test a Project 25 system

Though they share the same common air interface and modulation, tests methods for conventional and trunked systems are quite dissimilar.

Kenwood P25 portables pass immersion tests

TK-5220/5320 P25 UHF/VHF portables comply with the IP67 immersion specification for submergibility and extreme wet operating conditions.

Research firm releases P25 status report

This report analyzes phased development of P25 radio, its market and technological specifics. It provides results that are useful for first responders organizations, technical department of security agencies and vendors of public-safety radio.

Moducom develops DFSI for conventional P25 base stations

Moducom recently unveiled Ultra-Com IP25, the latest version of its E911/radio dispatch control system that now supports the Project 25 Digital Fixed Station Interface (DFSI). The first DFSI-compliant system produced by the company integrates with radios manufactured by Tait Radio Communications.

EFJ unveils fireground software suite

EF Johnson Technologies introduced FIRESafe, a software suite that complements their new fire radio. The software addresses firefighters concern about digital radios’ reliability on the fireground, said Ed Kelley, the company’s vice president of marketing and business development.

Off to a good start

It’s early in the evolutionary cycle, but multiband radios already are having a positive effect on interoperability.

Field tested, firefighter approved

Motorola collaborates with Florida department to develop P25 multiband radio

Harris announces completion of P25 system in Wisconsin

Harris P25 units to be used on Oregon statewide network

Kenwood, PowerTrunk to partner on P25 systems

Article

How to test a Project 25 system

Kenwood P25 portables pass immersion tests

Research firm releases P25 status report

Moducom develops DFSI for conventional P25 base stations

EFJ unveils fireground software suite

Off to a good start

Field tested, firefighter approved

Commentary

Latest 3GPP standards-development work includes new classes of HPUE, progress on mission-critical services

Is LMR the best solution for first responders? Should 4.9 GHz license go to the FirstNet Authority?

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