Discover the internet that can do more

The most commonly used fixed line internet in the Czech Republic.

Smart Wi-Fi function
Smart Wi-Fi function
Workplace security
Workplace security
Speed up to 1000 Mb/s
Speed up to 1000 Mb/s
1.5 mil addresses accelerated
1.5 mil addresses accelerated
Revolutionary 5G network
Revolutionary 5G network

Check out what tariffs we offer

At 99 % of addresses
PROfi Internet OPTIMAL HD

up to 20 Mb/sUpload up to 2Mb/s

399 CZK
Favorite
PROfi Internet AKTIV HD

up to 50 Mb/sUpload up to 5Mb/s

449 CZK
349 CZK
549 CZK
449 CZK
PROfi Internet PREMIUM HD

up to 100 Mb/sUpload up to 10Mb/s

549 CZK
449 CZK
649 CZK
549 CZK
PROfi Internet ULTRA HD

up to 250 Mb/sUpload up to 25Mb/s

649 CZK
549 CZK
749 CZK
649 CZK
New
PROfi Internet EXKLUSIV HD

up to 1000 Mb/sUpload up to 100Mb/s

849 CZK
749 CZK
949 CZK
849 CZK
We give you an O2 Smart Box modem with super fast Wi-Fi for CZK 99 per month or a standard modem for CZK 49 a month with the Internet HD.
You can activate everything easily using a self-installing package for CZK 99.
More information about terms and conditions and prices

Fast and strong Wi-Fi in the entire house

Many households need to solve problems with Wi-Fi connection quality even when they have a sufficiently fast connection. That is why we have created a super efficient modem O2 Smart Box, which will cover your entire house with a signal. Seven Wi-Fi aerials will take care of high-speed data transfers without any variations in performance. The Smart Wi-Fi function chooses the most suitable broadcasting frequency (2.4 and 5 GHz) so that you do not get disturbed by your neighbors’ signal.

Watch HD quality videos without waiting

Before you watch your favorite video on your monitor, it often needs to travel incredible distances. Servers can be as far as 1,000 kilometers away. This decreases its uploading speed and it can sometimes get jammed. That’s why we have saved majority of videos from the most viewed websites directly in our network and thus we have increased your way to them.

How to check the uploading speed and video quality

1) Play the YouTube video below. In the bottom right-hand corner click on the settings wheel icon and switch the video to HD quality (ideally 1080p). 

2) Check how quickly the video uploads and if it plays without jamming.

3) Right click on the video. Choose the "Statistics for experts" icon and check the following parameters:

  • Buffer Health is a very important value. It tells you how the video is uploading and how many seconds of the video you have downloaded ahead of time. The higher the value, the better. If the buffer is getting close to a zero, your video will jam. 
  • Connection Speed shows how quickly the video uploaded. Nevertheless, this is not the connection speed.
  • Dropped Frames informs you about your connection or modem errors. The fewer there are, the better your video watching experience is.

Security and other benefits of a smart household

O2 Smart Box is not just a super efficient modem. You can connect your door or window sensors, fire detectors, smart outlets or movement detector to it. Simply install a mobile app to your phone and you will become the ruler of your smart household. What does it look like is entirely up to you. For starters we will give you a door sensor worth CZK 999 for free with your k O2 Smart Box.

We will make sure that your internet runs the way it should

We have added the exceptional O2 Virtual technician function to Internet HD. We check each internet connection quality online. Thanks to this we can immediately identify and eventual connection problem and fix it as soon as possible.

O2 TV with O2 internet for a subsidized price

Get O2 TV with a multi-dimension thanks to which you can watch sport transfers from more camera angles, record programs or retrospectively watch programs that were aired up to 50 hours earlier. We will give you a subsidized price together with Internet for Home.

Detailed information about Internet HD

What happens once you have ordered it

We will call you

Once you have sent your order we will call you within 5 business days. We will confirm that a connection is available at your location. If you need to have a connection line set up or if you need the help of a technician, we will arrange a meeting straight away.

We will send you everything

A self-installing package, which contains a modem or a set-top box, all the needed cables and a detailed manual will be delivered by the Czech Post. You can easily carry out the installation according to the manual on your own.

Terms and conditions and prices for the xDSL / Fiber technology

Regular monthly payments

Service Internet OPTIMAL HD Internet AKTIV HD Internet PREMIUM HD Internet ULTRA  Internet EXKLUSIV 
Monthly fee CZK 499 CZK 549 CZK 649 CZK 749 CZK 949
Download up to 20 Mb/s up to 50 Mb/s up to 100 Mb/s up to 250 Mb/s up to 1000 Mb/s
Upload up to 2 Mb/s up to 5 Mb/s up to 10 Mb/s up to 25 Mb/s up to 100 Mb/s

One-off payments when activating the service

Item Payment
Activation CZK 99
Installation CZK 99 with a self-installing package
CZK 399 O2 Comfortable Installation

Majority of our customers install the internet on their own using a so called self-installing package. It contains a modem, all the needed instructions and a contact for technical support specialists, who are ready to help you with the connection of your modem at any time.

Payment for a connecting modem

You can choose one of two modems for your Home Internet:

O2 Smart Box Super efficient modem CZK 99 monthly or CZK 4,752 in a one-off payment
ZTE ZXHN H267A Standard modem CZK 49 monthly or CZK 2,352 in a one-off payment

The offer applies always if you sign a commitment for 24 months. Monthly internet prices are guaranteed for the entire time the commitment lasts.

If you do not arrange a new commitment, once the old one runs out, your tariff is changed to a tariff without a commitment:

  • Internet OPTIMAL HD for CZK 649 per month 
  • Internet AKTIV HD for CZK 699 per month 
  • Internet PREMIUM HD for CZK 799 per month 
  • Internet ULTRA HD for CZK 899 per month 
  • Internet EXKLUSIV HD for CZK 1099 per month 

You will be informed ahead of time about the date when your commitment runs out.

You will get the modem from us for good – when you activate the service it becomes your property and you do not need to return it even when you stop using our services.

More information and prices of older tariffs can be found in our Pricelist (PDF CZ only).

Set-top-box for O2 TV

We now provide you with a small and unobtrusive set-top box with O2 TV. Only with this type your new O2 TV will work properly. 

  One-off payment 48 monthly payments
set-top box CZK 2,352 CZK 49

All mentioned prices are with VAT.

When you get a modem or a set-top box to be paid for in installments, it is not possible to change the installments’ amount once you start paying them. Nevertheless, you can pay for the device early, if you need to cancel the service, e.g. when you move. The remaining amount that is due can be always found on your billing for O2 services.

 

Terms and conditions and prices for the LTE technology

Regular monthly payments – Internet OPTIMAL HD tariff

Monthly fee CZK 499
Download  up to 20 Mb/s
Upload  up to 2 Mb/s

One-off payments when activating the service

Activation free
Installation self-installation
SIM card activation 99 Kč

Payment for a connecting modem

ZyXEL LTE4506 Premium modem CZK 99 monthly or CZK 4,752 in a one-off payment
TP-Link ARCHER MR 200 Basic modem CZK 49 monthly or CZK 2,352 in a one-off payment

The modem price can be paid for in a one-off payment or in 48 monthly installments without a price increase, if it is bought at a shop or via phone. When the modem is bought in our e-shop it can only be paid for in a one-off payment.

When you get a modem to be paid for in installments, it is not possible to change the installments’ amount once you start paying them. Nevertheless, you can pay for the device early, if you need to cancel the service, e.g. when you move. The remaining amount that is due can be always found on your billing for O2 services.

More information and prices of older tariffs can be found in our Pricelist (CZ only).

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