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What is the difference between a repeater and a booster?

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If you use a mobile phone, you probably rely on some kind of signal enhancement device to improve your network coverage and quality. But do you know the difference between a repeater and a booster? These are two common types of devices that can help you get better reception, but they work in different ways. In this article, you will learn how repeaters and boosters function, what are their advantages and disadvantages, and how to choose the best one for your needs.

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Sanjay Yadav

IP Optical Pre-Sales| Optical Networking Solutions | Network Automation Professional | Tech Blogger at MapYourTech
Graham B.T Zimunya

Electronic and Communications Engineer

1 Repeater Basics

A repeater is a device that receives a signal from a base station or a donor antenna, amplifies it, and retransmits it to a target area. A repeater usually consists of two antennas, one for receiving and one for transmitting, and an amplifier that boosts the signal strength. Repeaters are often used to extend the coverage of mobile networks in areas where the signal is weak or blocked by obstacles, such as buildings, mountains, or tunnels.

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Sanjay Yadav

IP Optical Pre-Sales| Optical Networking Solutions | Network Automation Professional | Tech Blogger at MapYourTech
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Adding some perspective from optical communication domain; repeater and booster has following significance:- *** Repeaters *** - Regenerate optical signals for long-distance transmission. - Convert signals to electrical, process, and retransmit optically. - Add noise, increasing system noise and reducing OSNR over distance. - Essential for offsetting signal loss and maintaining signal integrity. *** Boosters *** - Positioned immediately after the transmitter to amplify signals. - Crucial for extending transmission range with minimal loss. - Use (EDFA) Erbium-Doped Fiber Amplifiers for handling large inputs. - Added noise by booster is less critical due to high initial SNR, hence mitigates subsequent noise.

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Graham B.T Zimunya

Electronic and Communications Engineer
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In my line of work i have found that it's imperative to know when to use a repeater or a booster. To determine whether you need a repeater or booster, it's important to consider the scale of the area you want to cover and the signal strength you're starting with. If you need to amplify a signal over a larger area or overcome significant signal degradation, a repeater is more suitable. On the other hand, if you have a relatively stronger signal but need to boost it within a small area, a booster is the better choice.

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Thomas Birkner ????

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Zusammengefasst kann man sagen, da? ein Repeater die Reichweite erh?ht, in dem er zwischen Sender und Empf?nger eine Funkbrücke bildet und zwischen den beiden Ger?ten platziert wird.

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金燕

Shanghai Shuncom AIOT Co.,Ltd - Business Development Specialist
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In our real application ,we choose repeater more. Because most communication is Zigbee for us, router and repeater function plays a significant role in our smart lighting controllers usages .Especially in the zigbee network coverage.---- Shuncom Eileen

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Avrajyoti Dutta

Multimedia Researcher at AGH University of Krakow | Electronics | Telecommunications | Networking | Security | Highly Skilled IT Support | Hands-on Experienced | Polish Language Level: B1
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A repeater and a booster both aim to enhance signal strength but function differently. A repeater receives, amplifies, and retransmits signals to extend coverage, whereas a booster amplifies the existing signal without retransmission, essentially strengthening the signal in a localized area.

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2 Booster Basics

A booster is a device that improves the signal quality of a mobile phone by reducing the interference and noise. A booster usually consists of an external antenna that picks up the signal from the nearest base station, a coaxial cable that connects the antenna to the phone, and a cradle or a patch that attaches to the phone. Boosters are often used to enhance the performance of mobile phones in areas where the signal is poor or unstable, such as rural areas, basements, or cars.

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Thomas Birkner ????

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Sehe ich etwas differenzierter: Ein Booster empf?ngt das Signal, reinigt es von St?rungen und verst?rkt den Signalpegel. Der Booster sitzt in der Regel direkt beim Empf?nger und per Kabel oder Antenne mit dem empfangenden Ger?t verbunden sein. Es gibt auch Sende-Booster, die direkt beim Sender den Signalpegel anheben.

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Guilherme Fran?a

Bom Senso | Gerenciamento de projetos | Servi?os | Energy Storage
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Boosters s?o elementos ativos que atuam no sinal, geralmente filtrando antes de inserir potência na sua retransmiss?o. N?o alteram frequências, modula??o mas, melhoram a qualidade do sinal no processo.

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3 Repeater Pros and Cons

One of the main advantages of a repeater is that it can cover a large area and serve multiple users at the same time. A repeater can also improve the voice quality and data speed of the mobile network, as well as reduce the battery consumption of the mobile phones. However, a repeater also has some drawbacks. For instance, a repeater may cause interference or feedback if it is not properly installed or configured. A repeater may also require a license or an approval from the network operator or the regulator, depending on the country and the frequency band.

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Thomas Birkner ????

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Sehe ich anders. Repeater werden meist im WLAN-Bereich verwendet und erh?hen den Bereich mit gutem Empfang von Ger?ten, die über WLAN kommunizieren.

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David Patrick Bogner

Probiere was dich interessiert, schaffe es und werde glücklich, scheitere und überlege dir L?sungen
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Okay, das ist jetzt die offizielle Lehrbuchsichtweise aus Forschungsergebnissen. Klingt für einen Laien meist etwas unverst?ndlich, ich würde dazu den Vergleich zum alten "kindertelefon" aus Schnur und pappbecher heranziehen und dabei den repeater als einen Gegenstand oder Person beschreiben, welcher dabei dafür sorgt, dass die Schnur sch?n gerade gespannt bleibt, damit das Kind am anderen Ende der Schnur auch das h?ren kann, was das eine Kind durch dessen Becher spricht.

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4 Booster Pros and Cons

One of the main advantages of a booster is that it is easy to install and use. A booster does not need any power supply or configuration, and it can be moved from one place to another. A booster can also improve the signal quality and reliability of the mobile phone, as well as extend its battery life. However, a booster also has some limitations. For example, a booster can only serve one phone at a time, and it may not work with all models or networks. A booster may also have a limited range and effectiveness, depending on the external signal strength and quality.

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Thomas Birkner ????

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Ein Booster wird meist verwendet um Mobilfunkfrequenzen zu verst?rken. Hat der keinen Stromanschlu? kann er nur St?rungen filtern, zu einer Verst?rkung des Signals kommt es dann nicht.

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David Patrick Bogner

Probiere was dich interessiert, schaffe es und werde glücklich, scheitere und überlege dir L?sungen
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@thomas birkner aus diesem Grund würde ich wenn m?glich repeater und booster in Serie hintereinander schalten, damit das mit der signalverst?rkung am besten funktioniert.

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5 How to Choose

The best device for your needs depends on several factors, such as the size of the area you want to cover, the number of users you want to serve, the type of network you use, and the budget you have. Generally speaking, a repeater is more suitable for large and fixed areas, such as homes, offices, or hotels, where you need to improve the coverage and capacity of the mobile network. A booster is more suitable for small and mobile areas, such as cars, boats, or RVs, where you need to improve the quality and stability of the mobile phone signal. However, before you buy any device, you should always check the compatibility, legality, and warranty of the product, and consult with the network operator or the manufacturer if you have any doubts or questions.

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Nikiforos Kourmpetis

Medical Physicist at EEAE - Greek Atomic Energy Commission
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Repeater receives a signal, amplifies it, and then transmits it again, while a booster simply amplifies the signal that it receives.

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Thomas Birkner ????

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Falsch: Repeater verbessern das WLAN, nicht das Mobilfunknetz. Booster wurden meist bei fest im Auto verbaut, als die GSM-Netzabdeckung noch nicht fl?chendeckend war. Aus heutiges Sicht finden sie kaum noch Anwendung.

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Johannes Jooste

Principal Engineer Principal Signalling Specialist at PRASA HO
(已编辑)
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With Railway Signalling we have 'Fail Safe Data Transmission' system FSDT system, with a probability as low as 1X 10E-10 for a Wrong-side Failure not detected, because of the encryption on the data. Repeater you can afford on a FSDT (Signal received and amplified - the dataspeed nor the data changed in anyway), and then Transmitted again, to extend the range to the receiver equipment. Boosters, I don't know much off, they not allowed to be used on FSDTs, I think they can improve S/N ratio (so affecting the data and even increasing dataspeeds). All not acceptable for FSDTs.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Omogbai Martins

Incident Management Specialist || Telecommunications Generalist || Engineering Professional || Fiber Optics Specialist || Research and Technical Writing Consultant || RF Optimization (Planning) Engineer
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Repeaters and boosters serve similar purposes in telecommunications, but they operate differently and are used in distinct scenarios. Repeater: Useful for extending coverage in large areas like campuses, urban environments, or along highways. Booster: Useful for improving cellular signal strength in specific locations like buildings, basements, or remote areas. In summary, while both repeaters and boosters amplify signals, and the choice between a repeater and a booster depends on the specific needs of the telecommunication application.

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David Patrick Bogner

Probiere was dich interessiert, schaffe es und werde glücklich, scheitere und überlege dir L?sungen
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@omogbay yes, very good explain for the functionality of repeater and booster. Have you learned this or Do you have experiences at your work from this?

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What is the difference between a repeater and a booster?

1

2

3

4

5

6

1 Repeater Basics

2 Booster Basics

3 Repeater Pros and Cons

4 Booster Pros and Cons

5 How to Choose

6 Here’s what else to consider

Telecommunications Engineering

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What is the difference between a repeater and a booster?

1

2

3

4

5

6

1 Repeater Basics

2 Booster Basics

3 Repeater Pros and Cons

4 Booster Pros and Cons

5 How to Choose

6 Here’s what else to consider

Telecommunications Engineering

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