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Features

Police Radios Transition into a New Era

Law enforcement communications tools now offer a variety of ways for officers to maintain contact both within and without their agencies.

November 17, 2015  |  by - Also by this author

Although they aren't as sexy as the other contemporary tools of law enforcement that make more headlines like body-worn cameras and high-tech forensics equipment, no technology is more vital to your mission than your communications equipment.

Since the late 1990s law enforcement communications tools have been transitioning, first from analog to digital signals, then to advanced digital processing and narrow banding to meet the Project 25 (P25) standard, and now from land mobile radio portables into hybrid radio and cellular wireless portables.

In 2015 the revolution in law enforcement communications tools continues on a variety of fronts. Here's what's happening to make your mission-critical voice communication tools more capable and more useful.

Improving the Portables

Portable radios are some of the most rapidly evolving tools used in law enforcement. Harris, Kenwood, Motorola, Tait, and other players are all competing in this market to provide the most innovative and useful features and clearest sound for law enforcement operations.

Harris released its new XL-200P in August. The XL-200P is a full-spectrum radio that offers single- and multi-band capability. Bands can be added with a simple software upgrade. Mark Tesh, Harris' product manager for advanced development says the new portable "performs seamlessly across all bands." The XL-200P is lighter than the company's previous law enforcement portables, but offers excellent audio quality, extended battery life of more than 10 hours, Bluetooth and Wi-Fi connectivity, and GPS tracking. Tesh says despite its compact size and light weight, the XL-200P is "brilliantly loud and brilliantly clear in the loudest environments." He explains that Harris achieved the sound quality through an innovative design of a woofer and tweeter with tuned cavities. Should a user miss a message or not understand part of a message, the XL-200P stores the last five messages for replay. "It's a simple solution to a really common problem," Tesh says.

Kenwood's latest P25 Phase II portable is the TK-5410D. It offers enhanced microprocessing for coverage of the entire 700 MHz and 800 MHz voice bands and MIL-STD-810 toughness and IP-54/55 moisture and dust protection. Some of the features include: 100 zones with 1,024 channels, a backlit dot matrix LCD, 16-character alphanumeric aliases, a three-digit sub-display, and several encryption keys.

Motorola added the APX 8000 to its product line of public safety portables in March at the International Wireless Communications Expo. The all-band, WiFi-enabled P-25 radio features an adaptive audio engine and a 1-watt speaker for sound quality and vocal clarity.

Tait's latest public safety portable is the TP9400, which offers multiple operating modes. The TP9400 can operate in analog mode and in 12.5 KHz P25 Phase 1 FDMA conventional/trunked, upgradeable to 6.25 KHz (equivalent) P25 Phase 2 TDMA trunked and LSM (CQPSK). Tait says having all of this decode capability in a single device allows users to transition into upgrades according to their needs. Features include GPS positioning, Bluetooth connectivity, and officer down functionality. The TP9400 meets MIL-STD-810G standards for ruggedness and IP67 for water and dust resistance.

Wireless Mics

There was a time when very few law enforcement agencies would even think of allowing their officers to use Bluetooth to pair a headset to their portable radios. That's changing now as more portable radios offer reliable Bluetooth signals and a variety of companies make Bluetooth mics suitable for law enforcement operations.

Motorola's Mission Critical Bluetooth Earpiece consists of a PTT module that clips onto the officer's shirt or vest and connects via a 9-inch or 12-inch coiled cord to the earpiece. The PTT Module houses the technology and a lithium battery pack. The mic is designed for use with Bluetooth-enabled portables radios but an adapter is available if agencies want to add Bluetooth to older portables. Maximum range is 33 feet.

Pryme Radio Products is one of the leaders in adding Bluetooth functionality to law enforcement public safety radios. The company is developing both new products for Bluetooth connectivity and modifying some of its existing products for wireless use. For example, one of Pryme's most popular mics is the SPM-100, which has now been modified for Bluetooth as the BTH-SPM100. The mic has a 10-meter range and a 10-hour battery life.

LTE Radios

Law enforcement communications experts have been talking about the convergence of portable radios with smartphone and handheld devices for more than a decade. Today we are seeing some of this prophecy coming true.

Harris and Motorola are two of the industry leaders who are driving the convergence between portable radios and cellular devices. Their two latest public safety handsets feature LTE connectivity so officers can communicate via radio or via cellular data transmission on commercial or dedicated public safety spectrum (FirstNet).

No officer in the field is going to use the tiny display on a portable radio for viewing video or even a detailed map, but there are some solid benefits of having LTE on a portable radio. LTE radios can be used to send texts from the field. This could be mission-critical in situations where the radio signal is too weak to communicate information to dispatch or to fellow officers.

Texting from a radio could be very useful for an officer in the field, but the most likely use for the LTE connectivity on the latest generation of portable radios will be radio management. Radios equipped with LTE connectivity can be programmed and configured in the field with no interruption in voice communications. This can save agencies time and money, and it can even make the radio network more secure. With non-LTE radios, communications managers have to take the radios out of the field to change the security keys, which makes changing the security keys on a frequent basis time-consuming and expensive. Because the cellular signal on LTE radios can run in the background while the officer still uses the radio, communications managers can change security keys on radios while they are in use.

For More Information

Comtronics

www.comtronics.com

Discount Two-Way Radio

www.discounttwo-wayradio.com

Earphone Connection

earphoneconnect.com

Easy to Get Wireless

easytogetwireless.com

EF Johnson

www.efjohnson.com

Freelinc

www.freelinc.com

Harris

www.harris.com

ICOM

www.icomamerica.com/en/

Kenwood

www.kenwood.com/usa/

Motorola

www.motorolasolutions.com

Mutualink

www.mutualink.net

Pryme

www.pryme.com

Setcom

www.setcomcorp.com

Silynx Communications

www.silynxcom.com

Push-to-Talk Apps

The convergence of portable land mobile radios and Smartphones works both ways. There are apps that add PTT capabilities to smartphones, essentially converting the cellular devices into land mobile radio handsets. These apps can be used in a pinch when radios fail or to listen to your agency's radio traffic or contact fellow officers when you are outside of the radio network. Some have compared apps such as Harris' BeOn and Motorola's Wave Broadband Push-to-Talk to Skype.

Harris sells a ruggedized Android phone specifically for use with BeOn. The InTouch RPC-200 sports a 23mm thick display. The standard glass on an Android phone like the Samsung Galaxy is about 10mm thick. The InTouch also has a more powerful battery than a commercial cellphone, which gives it longer use time.

Motorola's Wave Broadband PTT is a cellular PTT solution for iPhones, Android phones, and Blackberry phones. It also works with tablets, and even laptop and desktop PCs. Motorola says its solution is the most widely deployed broadband PTT software because of its military and government customers. Wave Broadband PTT integrates with Astro 25 systems via Motobridge radio gateways.

Pryme Radio Products' new BT-PTT-Mini is a low-cost wireless PTT all-in-one package that turns a smartphone or tablet into a PTT device when used with walkie-talkie mobile apps like Zello.

Cross Talk

Since before 9/11 and certainly after, public safety experts have been well aware that a multi-jurisdictional, multi-agency critical incident can lead to communication breakdowns as responders who operate on different frequencies or spectrum try to share information.

In the past, solutions to this problem have been less than elegant. Worst of all, they often involved dispatchers relaying information back and forth between responders. Special, and often very expensive, equipment has also been used to bridge the frequencies.

Now the equipment and software needed for interoperability has become much less complex and expensive. One of the more innovative and interesting interoperability tools is Mutualink, which is produced by a company of the same name. Mutualink is a combination software and hardware solution for interoperable communications. It's relatively easy to use and was designed with the street cop in mind.

The hardware side of Mutualink is a box about the size of a digital video recorder. The software is reportedly very user friendly and the company even makes an app for handheld devices that officers can use in the field.

This combination of equipment and software comprises a solution that allows an agency, when granted permission, to patch directly into a predetermined channel on the network of another agency. Both agencies have to have Mutualink, which requires an $8,000 investment by each agency.

Many communication experts believe worries about interoperability may soon be a thing of the past as more agencies adopt LTE-equipped radios. As previously discussed, communications managers can use the cellular data capabilities of multi-band LTE radios to reprogram the radios. This can be used to set up the portables for interoperability with another agency while they are in use in the field. "Reprogramming radios on the fly means you don't have to pick up a loaner or take a radio to a service center for multi-agency response or response outside your normal jurisdiction," Chuck Phillips, Motorola's VP for product planning said last year in an interview about the company's APX 7000L portable. "Your radio can be reconfigured while you travel. When you get there, there's no delay and you will be capable of instantly responding with the resources that are already on the scene.  

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Comments (1)

Displaying 1 - 1 of 1

Bradley Kitson @ 6/6/2016 6:00 AM

Very nice blog. Motorola offers high-powered two-way radios in all range of frequencies and configurations, most of the customers ask whether they should choose VHF or UHF two way radios. Twowaycity.com/ is offering special offers on motorola two way radios accessories

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