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Police Communication Manual

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the link between correspondents; communication is established through various forms such as radios, phones, books, magazines, brochures, banners
speakers, the human voice and others.

Communication is so closely linked to human daily life from birth, that his condition as a social being makes him
communicate with your peers for your coexistence in the different stages of your life.

The police, as an institution responsible for social security, develops its communication according to its needs for the successful achievement of its
committed.

COMMUNICATION IN THE POLICE

The media in the police constitute one of the basic elements for the fulfillment of their mission, hence the importance and the
the need to grow alongside the institution.
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We know that the police have a very complex mission within society; for this, they must have the appropriate means to
to develop in the different situations in which one must act.

The police use wired and wireless communication methods, through these means permanent and timely links are established.
in each case of its multiple functions; through an adequate exploitation of the available means, the effectiveness of the services is multiplied,
one of the factors that enables the prevention and repression of crimes.

Through communication channels, all orders given regardless of the distance, can be received by the affected personnel in the shortest time possible.
to be informed and ready to comply with the orders.

DEPARTMENT OF COMMUNICATIONS

Creation: it was created by a resolution of the police chief in October 1966, as a directorate, with the exact date unknown.
the resolution number due to lack of documents.
By law no. 309, the police organic law that has been in effect since January 1972, it becomes the transmissions department.

By resolution no. 45 of the police chief on May 7, 1991, it is renamed communications department, in replacement of
transmissions, consists of three sections of utmost importance for the fulfillment of its purpose, which are:

Radio

Telefónica and

Technique.

FUNCTIONS BELONGING TO THE COMMUNICATIONS DEPARTMENT.

1. Organize and maintain the institution's overall communication system.

2. Establish rules for maintaining security in the institution's communications.

3. Conduct studies of materials, equipment, and supplies and propose their acquisition.

4. Establish rules and programs to train and prepare your staff.

5. Coordinate with other institutions the use of frequencies.

6. Establish rules for the functioning of communication services.

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MEANS OF COMMUNICATION USED IN THE POLICE.

The communication systems used by the police are:

1. Wired system and

2. Wireless system.

WIRING SYSTEM: these are all systems that must necessarily have a line to provide communication. Examples:
telegraph, telephone, fax, etc.

WIRELESS SYSTEM: these are all systems that communicate by emitting electromagnetic waves. Examples: radio, the
cell phone.

RADIO COMMUNICATION. CONCEPT:

Radio communication is the emission of electromagnetic waves produced by radio devices, and through this, it establishes a link with the
correspondents.

RADIO. CONCEPT:

It is a communication device that emits and receives electromagnetic waves, through which it establishes communication with correspondents.

PARTS OF A RADIO.

The radio devices consist of:

a. Transceiver device;

b. Power supply; and

c. Antennas.

TRANSMITTER RECEIVER:

It is the medium through which I receive or emit signals to establish communication. There are several models, therefore it has
variations in terms of their power, frequency, and types, which is why it is necessary to choose the type of device according to the intended use.
to give; taking into account the desired range and the type of modulation.

POWER SUPPLY:
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It is what provides energy to the receiving or transmitting device so that it can function. The power supply uses current for its operation.
alternating or direct current.

ANTENNAS:

The antenna is an element capable of radiating general radio electric signals in the circuits of the broadcasters and therefore is the element without
which would make communication impossible. It is essential for the antenna to be the correct and effective one, as more than 50% of the quality depends on it.
broadcasting, to such an extent that a mediocre radio station with a good antenna is more effective than a high-quality station with a bad one
antenna.

TYPES OF RADIO USED IN THE NATIONAL POLICE

The radio equipment, including portable, mobile, and base units used by the police, is from Motorola of American origin and comes in different
models:

HANDIE - WITH

HP 440

HP 600

GP 300 WITH IDENTIFICATION

* P 200

* P 110

Each of these devices differs from one another in its power source (battery), in the model and cannot be used interchangeably.

All of their batteries are rechargeable.

In all these devices, the accessories consist of their corresponding chargers and antennas.

When the battery is in good condition, it can be used for about 12 full hours.

When it is going to be charged, the device should be turned off, which is why the charging battery heats up and the temperature can destroy the
radio components.

RADIO SYSTEM USED IN THE POLICE HF - VHF - UHF

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HF 'High Frequency' (high frequency). It is characterized by propagating through refraction in the atmosphere. Its range varies with the time of day and
of the night, of the season of the year, and of the state of solar spots. The wavelength of these frequencies is between 10 and
100 meters. It is used in all types of communications, at medium and long distances.

VHF 'Very High Frequency'. Its propagation is direct through the lower atmosphere, from the transmitter's antenna to the antenna.
of the receiver. It is widely used for short-range communication services, frequency modulated radio broadcasts, and television.

UHF 'Ultra High Frequency' (Ultra High Frequency). It propagates directly through the lower atmosphere. The covered distance is reduced.
so it needs repeaters for the prolongation of its waves.

Repeaters

Function: it is to receive a radio signal by the receiver, retransmitting it while increasing the power, giving it greater range. Example:
a radio communicates from Caacupé with another from Asunción through the Repeater at Km. 48.

Location: for the installation of a repeater, a high place should be sought, free of obstacles in order to gain greater range; the higher, the better.
the larger the antenna, the greater the range.

RADIO NETWORK

Through this, a link is established with the correspondents, in radio communication by the emission of electromagnetic waves produced
through radio devices, linked and interconnected.

Operator

It is the staff responsible for operating a radio equipment. The operator must be in their optimal mental state and health so that they can fulfill
efficiency of its mission.

The operator must be prudent, loyal, and have an unwavering commitment to the services they are involved in; if they do not possess these qualities, they will never be able to be.
A good operator, recklessness can jeopardize the safety of communication.

RULES THAT A GOOD OPERATOR SHOULD OBSERVE

To avoid interference with other station transmissions, you must listen before transmitting on the network.

2. Make the transmission as brief as possible for stations, they must listen before starting to transmit.

3. Use the queue 'Q' correctly.

4. Transmit at a speed that is easily understood and when conveying messages do so at a slow pace such that
the correspondent can easily copy. Read Full Essay

5. Respond promptly to all calls that require an answer.

6. When going off the network (equipment turned off), communicate to the central radio station and the reason.

7. Conduct the equipment test daily and at the scheduled time.

8. Do not allow the use of equipment by unauthorized persons.

9. Do not use rude phrases or terms as an observation.

10. Take care of the position of the school and the channel

11. Respond to the team with the feature and not the name or rank of the operator

CORRECT USE OF THE MICROPHONE

The microphone should be held correctly to achieve better results.

2. Press the microphone switch firmly and continuously while transmitting, release it when receiving. With the switch pressed, it is
impossible to receive.

3. Hold the microphone vertically to the plane of your face.

4. Don't speak from the corner of your mouth.

5. Do not keep the microphone away from the mouth.

6. Understand perfectly what you are going to convey before doing it.

RECOMMENDATIONS FOR THE PROPER MAINTENANCE AND CONSERVATION OF EQUIPMENT

1. When operating a device with a direct current power supply (12-volt battery), attention must be paid to
proceed to connect correctly, taking polarity into account.

A wrong connection can burn out the equipment.

3. Check that the batteries are charged and perform the required periodic maintenance on them.

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4. The connection of the antenna to the equipment must be well secured, as well as the other connections.

5. Proceed to disconnect the equipment from the power supply and the antenna when there is an electrical discharge.

6. Avoid wetting the equipment.

7. Avoid falls and impacts to the equipment.

8. Make sure the microphone is clear, because by being careless, I might leave some object that could press the switch.

CODE

It is a communication system where one, two, or three groups of letters form pronounceable words, chosen arbitrarily or randomly.
replaces sentences, characters, or numbers in messages, text, or an established communication system.

In a code communication system, it is essential that the correspondents have identical copies of the document in order to communicate.
with one another.

CODE SYSTEM FOR PROCEDURES IN THE NATIONAL POLICE

Group 100

110 Homicides

120 Attempted homicide

130 Bodily Injury

140 Fight

150 Corpse Findings

160 Home invasion

170 Forensic medical request

180 Duty Judge

190 Request for assistance

Group 200
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210 Armed robbery

220 Assault

230 Vehicle theft

240 Theft of commercial establishment

250 Residence Theft

260 Smuggling

270 Usurpation of authority (military or police)

280 Assault inside vehicle (public transportation)

290 Abandoned vehicle

Group 300

310 Police or military injured

320 police or military dead

330 Suicide

340 Abandoned minor

350 missing persons

360 Mental illness

370 Passenger fall

380 Traffic accident with victim

390 Traffic accident without victims

Group 400

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410 Gunshot

420 Gambling

430 Fire

440 Violation of a person (sexual coercion)

450 Assault against modesty

460 State of intoxication

470 Prison escape

480 Electrocution

490 Suffocation

Group 500

510 Disorder in a state of intoxication

520 Disorder in public places (offense against public peace)

530 Drug users

540 drug traffickers

550 Undocumented person

Group 600

610 Kidnapping

620 Suspicious person

630 Attack against authority

640 Gunshot wound

650 Stabbing injury

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PASSWORDS. DEFINITION.

It is a conventional signal made up of letters or combinations of letters and characters used to speed up communications. The passwords
They understand in a conventional way certain orders, instructions, or information that is frequently used in relation to the
communications.

The passwords must be memorized by the radio operator.

MOST USED PHRASES IN POLICE COMMUNICATION

QSL - Acknowledgment of receipt

QRX - I'm calling again

QRU - No news

QTH - Location of the correspondent

QRT - I turn off my equipment

QTR - What is the exact time

QSA - Signal Strength

QSA1 - Barely noticeable

QSA2 - Weak

QSA3 - Media

QSA4 - Good

QSA5 - Excellent

I can communicate with

QRA - Name of your station

QRM - I am being interfered with

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Message

QRK - Signal Readability

QRK1 - Illegible

QRK2 - Legible sometimes

* QRK3 - Legible with difficulty

QRK4 - Legible

QRK5 - Perfectly legible

QAP - Attentive

QAM - Time Status

QRN - Atmospheric disturbance

OK - Received

INTERNATIONAL PHONETIC ALPHABET

Special procedures are required for radio-telephonic communities to pronounce letters and numbers to avoid confusion and errors.

Character | Word | Character | Word | Character | Word

Alfa

Alpha

Charlie

Delta

E | Eco | O | Oscar | Y | Yankee

France

Golf
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H | Hotel | R | Romeo | | |

I | India | S | Sierra | | |

J | Juliet (Japan) | T | Tango | | |

NUMERIC ALPHABET

First

Second

Third

Fourth

5 = Fifth

Sixth

Seventh

Eight

Ninth

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