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The Motorola Difference

Motorola has developed two-way radios with a number

of key factors in mind to provide you with great quality

and enhanced value. These key factors represent the

essential elements you depend on and expect in your

communication – and Motorola brings them all together

for you!

• Value to ensure you get the most for your

communication dollars

• Reliability so you can depend on your radio, even in

harsh environments

• Ease of Use for simple operation and customization

• Audio Quality to get your message through loud

and clear

• Size and Weight to provide convenient installation

or easy portability

• Battery Life to give you the power you need to

communicate – as long as you need

• Programmable to customize features of each radio

for each user

• Range that lets you reach coworkers across the street

or across town

Motorola – A Name You Know

and Trust

For 75 years, Motorola has been a leader in creating

state-of-the-art wireless communication for people like

you. The PR400 portable and PM400 mobile two-way radios

continue to uphold that standard of excellence that

Motorola is known for. Each radio is backed by a limited

two-year* warranty on parts and labor. So when you

select the PR400 or PM400, you will experience the same

exceptional quality you have come to expect from

Motorola products.

Trunked Radio Systems

A trunked radio system allows a large number of users

to share a relatively small number of frequencies without

interfering with each other. The air time of all the repeaters

in the trunked system is pooled, which maximizes the

amount of air time available to any one radio, and

minimizes channel/talkgroup congestion.

Some of the benefits of trunked two-way radio systems are:

• No channel/talkgroup monitoring

required prior to transmission.

• Improved system access.

• Automatic channel/talkgroup selection.

• Increased privacy among members

of the same group.

LTR Trunked Systems

LTR (Logic Trunked Radio) is a transmission-based trunking

protocol developed by the E.F. Johnson Company for

primarily single-site trunking applications. In transmission

trunking, a repeater is used for only the duration of a single

transmission. Once a transmission is completed, that

repeater becomes available to other users. This means

that a conversation comprised of many transmissions may

occur over several different channels/talkgroups within

the LTR system. This method of trunking provides system

efficiency by making repeaters available to all users after

every transmission. When an LTR trunked radio user

wants to communicate with other people, the user’s radio

sends a “channel/talkgroup request” to the home repeater.

The system then sends back a “channel/talkgroup grant”

to the user’s radio. The channel/talkgroup grant message

contains the number of a “go to” repeater to tell the radio

which repeater to use. This “go to” repeater can be the

same as the radio’s home repeater or another repeater

in the system. The radio uses the “go to” repeater for

transmission. Once the transmission has ended, this

repeater is available for other users.

*Radio accessories are covered by Motorola’s one-year accessories warranty.

Superb Performance,

More Channels …

Still Affordable

The PR400 portable and PM400 mobile

two-way radios are easy to use. The time-

tested durability of Motorola’s two-way

radios represents an exceptional value

when you consider the life span of the

radios and minimal downtime for replace-

ment parts and repairs.

The PR400 and PM400 are ideal for small

businesses and companies that need reli-

able communication that delivers every

time, while also providing an affordable

communication solution with the

features you need and Motorola’s

renowned quality.

MOTOROLA DIFFERENCE

The PR400 and PM400 two-way radios

are ideal for many businesses and

industries including:

• Agriculture

• Hospitality

• Light Construction

• Light Industrial

• Manufacturing

• Public Administration

• Delivery Services

• Security

• Taxi and Limousine Services

• Transportation/Fleet

• Utilities

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