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Motorola Operation Critical Wireless Bluetooth Earpiece System

One of the least known, but arguably one of the most important accessories for modern Motorola digital-series MOTOTRBO two way radios is the Operation Critical Wireless Bluetooth Earpiece System.
Motorola Operations Critical Wireless Earpiece Kit

Err… Operation Critical? What does that mean?

Before we explain what the wireless bluetooth earpiece system is an how it works, let’s explore what Motorola means by Operation Critical.

Operation Critical, sometimes termed as Mission Critical, is Motorola’s clever marketing way of saying unlikely to fail. That doesn’t, by any means, mean that it can’t fail. Afterall the Titanic had watertight bulkheads and was unlikely to sink. Yet it did sink – because more than the critical number of bulkheads were breached. In the same way, Motorola’s Operation Critical equipment is built to such a high standard that it’s very unlikely to fail, but if dropped so many times, it will eventiually stop working.

If you take care and look after your Motorola operation-critical equipment there is no reason that it shouldn’t work indefinitely.

Operation Critical Wireless Bluetooth Earpiece System

This wireless earpiece system is probably one of the best innovations from Motorola Solutions in recent times. There are several parts to this system. The Bluetooth Module and earpiece options. Then there are charging options. We’ll cover all these options step-by-step below.

Only For Bluetooth-Enabled Motorola Two Way Radios

At this stage it’s important to note that, in order to use the Bluetooth system, you will need a Bluetooth-enabled two way radio. Note the word enabled here. This is beause some Motoorla two-way radios are provided as capable and require licence keys (enablemnet ID codes, or EID codes) to enable the Bluetooth feature within the radio.

We have a guide on this website as to which radios are Bluetooth-capable and which are Bluetooth-enabled.

Bluetooth Logo

Bluetooth Module

At the heart of the system is the Bluetooth Module. This is the part that wirelessly connects to the radio. and contains an internal lithium battery. On the top is the on/off and Bluetooth connect switch. In the middle is the connectivity LED indicator. On the other side is the earpiece jack socket. There are only a selected numer of earpieces compatible with this module which are shown below.

Motorola Bluetooth Wireless Module

Earpiece Options

At present, there are two earpiece options for this system. The first is the PMLN6397 swivel earpiece eith a combined microphone and push-to-talk module. The second HKLN4514 is also a swivel earpiece but this one has a boom type microphone.

Note: Unfortunately, these earpieces are not available individually, ony available in packages. See the ordering guide below.

Motorola Operation Critical Wireless Module Earpieces

Ordering Guide

U.S. Model EMEA Model Description
Individual Parts
HKLN4512 PMLN6396 Bluetooth Module
HKLN4513 PMLN6397 Swivel Earpiece (Inline Mic. & PTT) aka PMLN6397, HKLN4513
HKLN4514 Boom Earpiece (Boom Mic. & Inine PTT)
Packages
PMLN7369 3x Bluetooth Module
RLN6500 Bluetooth Module, PMLN6397 Swivel Earpiece, HKLN4509 Charging Cradle, PS000132A01 US Power Supply
PMLN6463 Bluetooth Module, PMLN6397 Swivel Earpiece, Charging Dock, No PS000042A13 UK Power Supply
PMLN7181 Bluetooth Module, HKLN4514 Boom Earpiece, Charging Dock
RLN6556 Bluetooth Module, HKLN4514 Boom Earpiece, HKLN4509 Charging Cradle, PS000132A01 US Power Supply
RLN6550 RLN6550 3x PMLN6397/HKLN4513 Swivel Earpiece
PMLN7203 PMLN7203 3x HKLN4514 Boom Earpiece
Chargers
HKLN4509 Bluetooth Module single unit charger, excludes PSU.
HKLN4508 HKLN4508 Bluetooth Module charger slot for HKPN4007 (USA) and IXPN4029 (UK)

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Beneficial Accessories

Chargers

Multi-Chargers are a highly recommended product by Radiotronics. Many variants are available, these including the readymade 6-way charger, or a rack mounted charger that allows for the user to expand their charging facilities alongside the addition of new radios. Multi-Chargers allow for all radios to be kept in a centralised location when not in use, this meaning that the potential loss of single chargers is removed whilst also minimizing the likelihood of losing a radio.

Something never before seen with a two way radio was the ability to wireless charge, this however was implemented when Hytera introduced the PD365. The new wireless charging feature will allow for the radio to be placed on charge and ejected easily, allowing for the fast access of the device should immediate contact need to be made.

Carrying Solutions

There are many different carrying options with two way radios, with the choice you make being heavily dependent on your working environment. Shoulder and wrist straps allow for a radio to be carried close to hand, allowing for fast use should it be needed, these methods of carrying also mean that the risk of dropping the radio and damaging it is removed. A strap is tightened around the body part that the user is carrying it by, meaning that should the radio be accidently dropped it will not come in contact with the floor minimizing the risk of fall damage.

Belt clips are the most common carrying solution of two way radios. Almost all radios supplied with one upon purchase, a belt clip attaches directly to the battery meaning that they are easy to attach and detach when necessary. Belt clips allow for the user to connect a radio to their person so that it is in reach at all times, with a quick release function often being implemented to allow the user to quickly detach the radios when needed.

Leather cases help to protect the radio from various aspects of damage. These cases are often connected via a belt clip, dependent on the style of case purchased this will either be connected to the case or a space will allow for one connected to the actual radio to be pulled through. A leather case will help to protect the radio from both dust intrusion and damage, helping to ensure the lifespan of the radio is protected.

Radiotronics can supply shipping cases to help with the transport and storage of your two way radio equipment. With two-layers the case has space for 6 radios and a multi-charger, custom cut foam helps to protect the contents of the case meaning that radios are protected against bumps and scrapes that may occur. The shipping case is an ideal investment should you need to transport your radios between locations or for storage when not in use, a central location will mean radios aren’t lost and also don’t suffer damage.

Earpieces

There are many different variants available when looking to purchase a headset. The earpiece style can be dependent on the noise levels of the environment you are in, with a covert earpiece allowing for operatives in loud facilities to hear any transmissions clearly.

The microphone style/placement is also a variant with the option of having an in-line microphone similar to that on a set of cellular mobile headphones, or a boom mic attached. VOX Voice activation is available with selected headsets, although not always used the most common users of voice activation as a function are retail and hospitality, the hands-free use allows for staff members to remain presentable at all times.

Remote Speaker Microphones

The use of remote speaker microphones is most commonly associated with the emergency services.  These can be used in a variety of different working situations, allowing for the user to use the radio without having to continuously unclip and clip the radio from their belt. Noise cancelling technology ensures that messages transmitted from the microphone are not disturbed by noisy environments, whilst these can also be paired with a separate compatible earpiece to receive incoming messages.

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