P25: The Difference Between Life and Death

In an emergency situation, time is of the essence. A brief delay could be the difference between life and death. Often, the equipment used during an emergency contributes to the efficiency of the communications needed to coordinate help. Here are a few reasons that P25 radios can ensure

Why Police Officers Need P25 Radios

Police officers have one of the most important responsibilities in our society. They are on the front lines on the streets, the first people that are called when there’s a problem, and they are the ones that literally have “gunfire” as one of the risks the potentially face

Who Are P25 Radios For?

In 1989, a joint venture by the Association of Public-Safety Communications Officials (APCO), the National Association of State Telecommunications Directors (NASTD), federal agencies, and the National Communications System (NCS) developed a new set of standards for radio systems. The purpose of these standards was to create better interoperability for public

From APCO P16 to P25

With the establishment of Project 25 (P25) by the Association of Public Safety Communication Officials (APCO), the association set new standards that would greatly increase interoperability. The importance of interoperability is that it allows public safety officials to perform their work much more efficiently and safer than in the

P25 Radios Protect You on New Year’s Eve

As the clock strikes midnight and the calendar turns to another year, billions of people celebrate around the world by lighting up the night’s sky with fireworks. This time-honored tradition is an essential part of ringing in the new year, but it does not come without risk. If those lighting

P25 Radios Key for Public Safety During Christmas Season

Christmas is a great time for people spend quality time with friends and family. However, it is also a dangerous time when it comes to fires. Arriving in the middle of winter, many people like to light fires in the fireplace and burn candles. Additionally, electrical problems have the ability

Tis the Season to Use P25 Radios

The holiday season is among us. For most citizens, that means the usual hustle and bustle of preparing for holiday events and enjoying merriment with loved ones. Although the holiday season is viewed as a generally jolly time of year, for some it is viewed as an opportunity for crime.

Comparing Conventional and Trunked P25 Radio Systems

If you have heard about P25 radios, you have probably heard about the two different systems; conventional P25 radios and trunked P25 radios. There is a misconception that these two systems of P25 radios are quite different when it comes to their functionality. However, they are actually quite alike.

What is P25 CAP?

Project 25 is a set of standards that are designed to create interoperability for users. This allows for users, often public safety officials, to effectively communicate across different manufacturers. In emergency situations, this is critical for the safety of both the officials and the public. To ensure that the

P25 Common Air Interface and It’s Effect on Communication

P25 Common Air Interface (CAI) is a standard for digital audio that specifies the type of digital signals that are transmitted by radio. When P25 was launched, the goal was to create a significant amount of interoperability so those who need it, such as public safety officials, could work

Communication Protects Firefighters During Wildfires

The dry parts of the year are a danger for many parts of the country. If these areas are covered by foliage, wildfires can blaze through communities causing damage to nearly everything it encounters. When these fires roar through wooded areas, they threaten the homes and lives of many of

P25 Radios Shine During Hurricane Season

One of mother nature’s most dangerous contributions, hurricane season is a busy time for public safety officials. Home damage, power outages, and tornados are all possible when a tropical storm or hurricane hits an area. With public safety officials always on alert to help those in need, they rely on

National Park Service Celebrates 100th Anniversary

Today, August 25, 2016, the United States National Park Service celebrates its 100th anniversary. It’s a crowning achievement for the federal service that exists to provide visitors the opportunity to experience the country’s natural beauty.

On March 1, 1872, the United States Congress established Yellowstone National Park in the Montana and

What is Radio Frequency?

If you’ve ever read or heard about two-way radios, you’ve probably heard about radio frequency. But what exactly is radio frequency and what does that have to do with two-way radio communication.

Radio frequency is when an alternating current (AC) has the characteristics that if put into

Do You Really Need P25 Radios?

If you’re in charge of an emergency response team, you may be asking yourself why you need P25 radios. After all, you’ve gotten this far seemingly without any trouble. But these radios have become a necessity, even if you don’t realize it yet.

Every month, more emergency response departments are making

Importance of P25 Radios on 4th of July

In times of emergency, public safety personnel depend on Project 25 (P25) radios to effectively communicate. This is especially important for the Fourth of July. Due to the widespread use of fireworks and a high volume of travelers on that day, Independence Day is the most dangerous American holiday.


The Eight P25 Open Interfaces

Project 25 (P25) is the set of standards that guides public safety communication towards interoperability. Within these standards are eight open interfaces, the ability for devices from separate manufactures to connect with each other. These open interfaces are the key to interoperability and, subsequently, keeping residents safe.

Common Air Interface

What Does Interoperability Look Like for the Next Generation?

When disaster hits and emergency response teams are called into action, they need to be able to effectively communicate. With interoperability of paramount importance, P25 radios give emergency crews the ability to communicate with other response agencies. But as with most technological advancements,

National Public Safety Telecommunicators Week (NPSTW)

This week is National Public Safety Telecommunicators Week (NPSTW), a week where we honor telecommunications personnel in the public safety community. Held annually through the second week of April, the week is dedicated to the men and women who serve our communities as public safety communicators.

How Did States and Territories Afford P25 Radios?

Project P25 (P25) portable radios have become a necessity for public safety. The digital radios allow different departments to come together to help those in need during emergency situations eliminating interruption and confusion. But these systems can be expensive for state organizations attempting to better their communications and protect

The Importance of Interoperability of P25 Two-Way Radios

Whenever P25 two-way radios are mentioned, the word interoperability is mentioned with it. But what is interoperability of P25 radios and why is it so important?

In short, interoperability gives multiple agencies from different jurisdictions the ability to seamlessly communicate. Too many times in the past, a lack of communication

Importance of Phase Two P25 Radios for Public Safety

The job of a police officer can be a dangerous one, especially for an officer that works alone. In the 80 years since the invention of two-way radios, police officers have come to rely heavily on both their in-car radio and their portable radio. With phase two P25, this

The Origin of Two-Way Police Radio Communication

In March of 1933, the Bayonne Police Department of Bayonne, New Jersey initiated the first regular two-way police radio communication in patrol cars. The advancement would have an impact on emergency communication that is still felt today.

On April 7, 1928, Detroit Police Department Patrolman Kenneth Cox and engineering student

The Importance of P25 Two-Way Radios

One of the most important changes in emergency communication was the establishment of Project 25 (P25). Started in 1989, P25 is a set of standards created to improve interoperable, digital, two-way wireless communication. The project was a collaborative effort between the Association of Public Safety Communications Officials International (APCO), the

Product Feature Spotlight: 5 Reasons to Rely on KNG Command Radios

At BK Technologies, we look to supply public safety, federal government, and business sector clients with reliable, high-performance communication technology. While we’re also proud to offer top-of-the-line products to meet the needs of commercial and industrial users, our BK Radio Products, typically used by professional radio operators, boast

Celebrating 178 Years Since the Beginnings of Long-Distance Communication

On January 6th, 1838, Samuel Morse demonstrated his telegraph system for the first time. The telegraph, which would eventually revolutionize long-distance communication, is a device that uses electric impulses to transmit encoded messages by wire. Morse spent several years developing a prototype

Thank You to Our Clients of 2015!

As 2015 draws to a close, Relm Wireless would like to take a moment to thank all of the agencies, departments, and organizations that have allowed us to be a part of fulfilling their mission in the past year. We know that reliable two-way radio communication is an integral part

Looking Back on Radio…The First Atlantic Wireless Transmission

December 12th marked 114 years since one of the early pioneers of radio – Guglielmo Marconi – successfully sent the first transatlantic message. Early skeptics believed that the curvature of the Earth would limit radio transmission to distances of only 200 miles, but Marconi’s simple message (the Morse-code

The Latest in Two-Way Radio Features and Technology

Speaking of technology and two-way radios may seem contradictory to some, but in fact radio capabilities and features have advanced in several key areas. At Relm Wireless, we supply two-way radios to government entities, public safety agencies, and business clients alike. Each of these sectors has a different set of

Identifying and Overcoming Perceived Obstacles to P25 Radio Systems

Though P25 radios are becoming the premier standard in land-mobile radio communications, several perceived obstacles persist. Two of these obstacles are cost and implementation. However, with hundreds of thousands of these radios in use- and many more department or agencies looking to add this equipment to their communications plan, it’s

On the Job: 3 Reasons to Choose Two-Way Radios for Worksite Communication

Communication on a job site is an important part of keeping the project running smoothly and efficiently. Coordinating equipment, materials, and people requires a reliable mode of communication. Two-way radios have long been relied upon in the construction environment, but in recent years smartphones have become an option also. But

8 Important Criteria for Evaluating a Two Way Radio System

If you’re in the market for a two way radio system, you have many criteria to meet and a wide array of options. Navigating through the sea of options can seem daunting, but letting the current and future needs of your agency or department guide the purchasing process can help

Raging Wildfires Highlight the Importance of Two-Way Radio

So far, 2015 has been a record year for wildfires in the United States. According to recent statistics from the National Interagency Fire Center, more than 8 million acres of land have been devastated by wildfire thus far. And the damage doesn’t stop there – at the beginning

Cellphone Vs. Two-Way Radio – Choose the Right Mode of Communication

Organizations with a need to equip their personnel with communications solutions may be faced with a decision: choose conventional two-way radio, or choose a cellular platform to keep everyone in the loop. It may seem that ‘smartphones’ offer more features, but the decision isn’t easily won by the bells and

Measuring P25 Signal Quality and Coverage

P25 radio communications are the gold standard in terms of interoperability and radio advancement. But if your coverage isn’t adequate or your signal is weak, your gold standard may be sounding a little tarnished. What are the main indicators of P25 quality and how is coverage and reliability

Conventional Vs. Trunked P25 Radio Systems

There are many decisions to be made in choosing a two-way radio system. One common decision to be made is choosing a conventional or trunked P25 radio system. Many agencies wonder what the differences are between the two and what they can expect the advantages of each to be.


Communications Crossroad: Upgrade or Replace Your Two Way Radio System

In today’s world of two way radio systems, there are a variety of decisions to be made. One of the biggest crossroads that agencies face is when components of the existing system have begun to fail. Do you slip replacement pieces into the existing system, or do you begin the procurement

From Our Files: A Brief History of P25 Radios

P25 (or Project 25 as it was originally named) was the result of cooperation between various regulatory agencies and leaders in the telecommunications industry. Recognizing a need for a uniform means of communication, standards for digital LMR (Land Mobile Radio) were established in 1989. The result is a

Bridge the Communication Gap with P25

Imagine a scenario in which establishing order is absolutely critical, and cooperation among agencies is essential. But there’s one big problem – no two groups are speaking the same language, and even within agencies, departments are speaking different languages. The language barrier makes it nearly impossible to work cohesively or

Hurricane Season is Here – Is Your Communications Plan In Place?

June 1st marked the official start of hurricane season. Is your public safety department ready? There are numerous practical considerations that need to be made, but having a solid plan for communication is vital. Being able to communicate within your department, or even across public safety agencies, is critical in