P25: The Proven Standard for Public Safety Radio Communications

P25 systems are built with public safety in mind, with increasing adoption across utilities, transportation and federal. These systems work well for everyday communications, yet are specifically designed to meet operational voice and data requirements for critical communications during instances of community disasters, terrorist threats and other natural catastrophes.

EXPLORE THE BENEFITS OF P25

With P25, you can be confident that you have the best radio technology available to meet your communication needs.

Delivers exceptional coverage in both urban and rural environments
Offers mission-critical grade reliability and performance
Enables interoperability between different public safety agencies, transportation and utility at local, state, federal and tribal levels
Broad user base including over 3000 public safety, federal or government systems throughout the U.S.
Ensures secure voice and data communications including end-to-end 256-bit AES encryption
Supports all LMR frequency bands including UHF, VHF, 700/800 and 900 MHz
Recognized as an approved radio technology for federal grant applications
Provides a diverse range of interoperable products and service choices with various supplier pricing tiers

P25 COMPLIANCE ASSESSMENT PROGRAM (CAP)

The P25 Compliance Assessment Program (P25 CAP) provides independent, standardized testing conducted by accredited laboratories to verify that equipment identified under P25 complies with program standards. L3Harris is credited with the first P25-compliant device and has been committed to the program ever since. This testing and documentation instills confidence in the reliability and performance of communications equipment, and ensures seamless interoperability between agencies and organizations. This matters because it isn’t just about meeting criteria; it’s about instilling confidence in the reliability and performance of your communications equipment.

EXPLORE FURTHER:

Resources and Guidelines for Understanding and Navigating the P25 Compliance Assessment

For organizations seeking comprehensive information on standards and compliance test protocols for interoperability and P25 CAP, visit:

Department of Homeland Security (DHS)

Project 25 Technology Interest Group (PTIG)

UNDERSTANDING P25 SYSTEM INTERFACES: THE BACKBONE OF INTEROPERABLE COMMUNICATIONS

A key element to P25 is its defined system interfaces that are integral to building P25 communication networks. P25 defines various interfaces to enable seamless communication between different components within the network including:

COMMON AIR INTERFACE (CAI)
Provides a standard way for P25 subscriber units to communicate with each other and P25 Radio Frequency Subsystems (RFSSs).

INTER SUBSYSTEM INTERFACE (ISSI)
Provides a secure interoperable method to interface P25 RFSSs. These RFSSs may be from different manufacturers or the same manufacturer.

CONSOLE SUBSYSTEM INTERFACE (CSSI)
Provides a secure interoperable method to interface P25 consoles with P25 RFSSs.

DIGITAL FIXED STATION INTERFACE (DFSI)
Provides the capability to interface P25 Conventional systems with Dispatch.

KEY FILL DEVICE INTERFACE (KFD)
Provides a standard capability to interface a keyloader with 25 Subscriber Units (SU).

The defined system interfaces in P25 play a crucial role in ensuring seamless communication and interoperability within P25 networks. They enable different components to communicate effectively, regardless of the manufacturer or agency involved. This standardization promotes efficiency, reliability and enhanced coordination around public safety organizations.

FLEXIBILITY WITH P25

The P25 standard is a mature and versatile technology that can easily adapt to unique user needs and budget constraints. Its flexible configurations make it an ideal choice for various applications, providing a reliable and cost-effective solution for critical communications.

Connect with a product specialist to learn more about P25 compliancy requirements and the right solutions for today and in the future.

EMT using portable radio with connectivity graphic background

Capabilities

XL Connect™ 45P Portable Radio

Delivers all the essentials for critical connectivity and an affordable path to leading-edge communications.

XL Connect™ 95P Portable Radio

Flexible. Affordable. Unstoppable. Communicate on the move with Wi-FI® voice and data, and enjoy advanced features including GPS, instant recall and clear audio via dual microphones with advanced noise cancellation.

XL Converge™ 150P Single-Band Portable Radio

The XL-150P is the first Land Mobile Radio (LMR) in its class with a built-in LTE option, Wi-Fi®, Bluetooth® and GPS. This single-band, highly-affordable solution is AT&T and Verizon Certified and FirstNet Ready™.

XL Converge™ 185P Single-Band Portable Radio

Crystal-clear audio over your P25 radio system, data sharing over nationwide broadband networks. More ways to connect. Rugged, familiar form factor.

XL Onboard™ Series of Mobile P25 Radios

Relentlessly Reliable. Road-Ready. When your mission requires you to be mobile, you need a smart radio that can move with you.

XL Converge™ 200P Multiband Portable Radio

XL 200P multiband LMR with LTE delivers leading-edge P25 connectivity across VHF, UHF, 700/800 MHz and broadband LTE. Loud and clear audio with advanced noise cancellation.

XL Extreme™ 400P NFPA compliant

Designed by and for Firefighters, the XL Extreme 400P can take on the heat and keep you connected. This P25 radio features heat-resistant seals, thermal display and speaker materials.