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Hundreds of categories, thousands of products, millions of details and user reviews for sim cards. How can you make sense of all of this? Try our Alza Test, which guarantees an objective selection based on customers' experiences. How the products from sim cards rank are based solely on various data and feedback from actual people who have purchased the products.
35
Results
SIM Card - data only, ideal for devices such as cameras, photo traps or security systems, 50 GB available for 365 days, connection to 5G network anywhere in the Czech Republic
Amazing Deal
699,-
Save 300,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
O2182
SIM Card - data only, ideal for devices such as cameras, photo traps or security systems, 15 GB available for 365 days, connection to 5G network anywhere in the Czech Republic
Discounted -9 %
499,-
549,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
O2181
2,999,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
O2189
SIM Card - Includes 1.5GB of data + unlimited calls within the Vodafone network for the first month included in the price + 100 CZK of credit valid for 45 days
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
150,-
In stock 4 pcs
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Order Code:
VDF1006b
SIM Card - 1 GB of data for one day and unlimited calls to all networks in the Czech Republic for CZK 29 per day, you will receive a credit of 50 CZK, SMS for 1,90 CZK, The daily window is activated by calling or dating and is valid until midnight, bonus credit of CZK 300 for the first top-up of at least CZK 300, only days are paid, when the customer makes a phone call or uses the internet, after 1 GB is used up, automatic renewal of 300 MB of data for 19 CZK until the end of the day
79,-
In stock > 20 pcs
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O2186
SIM Card - 10 GB of data and 100 minutes of calls for CZK 299 per month including VAT, SMS for 1,90 CZK, 300 CZK bonus on the first top-up of 300 CZK, automatic tariff renewal after 30 days, calls after the units are exhausted for 4.90 CZK/min
299,-
In stock > 10 pcs
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O2185
SIM Card - for children, 2 GB of data and 200 minutes of calls to all networks for CZK 199 per month, SMS for 1,90 CZK, 300 CZK bonus on the first top-up of at least 300 CZK, automatic renewal of the tariff after 30 days if you have enough credit, calls after the units have been used up for CZK 4.90/min, the possibility of activating autopay, Full Data package option with unlimited data for 24 hours
199,-
In stock > 10 pcs
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Order Code:
O2187
SIM Card - Twist prepaid card, 50 minutes of calls and 5 SMS to all networks and up to 2 GB of data (1 GB in the base and 1 GB to be picked up in the My T-Mobile app), afterwards the package will not be automatically renewed and will be deactivated, you can renew it in the My T-Mobile app for 149 CZK including VAT
99,-
In stock > 20 pcs
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Order Code:
TW133b
SIM Card - Includes 10GB of data + 5GB in the My Vodafone+ app, unlimited SMS within the Vodafone network for the first month included in the price + 50 CZK credit valid for 45 days
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
Amazing Deal
199,-
Save 50,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
VDF529b
SIM Card - Includes 100GB of data for the first month at no extra cost + 50GB each subsequent month when you renew your plan
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
349,-
In stock > 10 pcs
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Order Code:
VDF531b
SIM Card - Includes 3.5GB of data + unlimited calls and texts within the Vodafone network for the first month, included in the price + 100 CZK of credit valid for 45 days
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
199,-
In stock > 10 pcs
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Order Code:
VDF1005a
SIM Card - T-Mobile, prepaid, for the first 30 days after card activation 10 GB of free data and a bonus credit of 100 CZK valid for 1 year, after 30 days from activation the data package is renewed for another 30 days for 279 CZK, for the first recharge within 30 days from activation a bonus of 100 CZK valid for 30 days
Great price
139,-
Save 10,-
In stock > 10 pcs
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Order Code:
TW127a
SIM Card - T-Mobile, prepaid, for the first 30 days after card activation 15 GB of free data and a bonus credit of 100 CZK valid for 1 year, after 30 days from activation the data package is renewed for another 30 days for 399 CZK, for the first recharge within 30 days from activation a bonus of 100 CZK valid for 30 days
179,-
In stock > 10 pcs
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Order Code:
TW127b
SIM Card - 15 GB of data, 50 minutes of calls to all networks, free calls to the O2 network, international calls to Ukrainian numbers 1 CZK/min, pre-loaded bonus credit of 50 CZK, automatic activation, valid for 30 days, then recovery option
299,-
In stock > 10 pcs
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Order Code:
O2175
SIM Card - 100 GB of data for 30 days, connection to 5G network anywhere in the Czech Republic, unlimited calls per day for 15 CZK, SMS for 2 CZK, possibility of transferring the current number to this SIM card
449,-
In stock > 10 pcs
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Order Code:
O2184
SIM Card - eSim, 100 GB of data for 30 days, connection to the 5G network anywhere in the Czech Republic, unlimited calls per day for 15 CZK, SMS for 2 CZK, possibility to transfer the current number to this eSIM card
449,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
O2184e
SIM Card prepaid SIM card, 100 CZK credit for FREE, The monthly flat rate for CZK 69 includes 150 MB of data, automatic data package renewal after a month (can be cancelled, increase, etc. )
SIM Card - Includes 100 CZK in starting credit, data, voice, and text message packages as needed, 2.50 CZK per minute for calls, 1.90 CZK per text message, and 99 CZK for 1GB of data per month
SIM Card - Includes 100 CZK in starting credit, data, voice, and text message packages as needed, 2.50 CZK per minute for calls, 1.90 CZK per text message, and 99 CZK for 1GB of data per month
SIM Card - Cactus with 2 GB of data for free for the first 30 days, Initial credit 100 CZK valid for 12 months, calls to all networks for CZK 2.50/min and SMS for CZK 1.50, unlimited calls on the Kaktus network when topping up from CZK 200 per month, the possibility to choose advantageous data and calling packages, easy management of credit and services in the My Cactus app, credit top-up from 50 CZK, compatible with Neřesto tariffs with connection speeds up to 2 Mbps
99,-
In stock > 20 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
TW138b
SIM Card - Includes 10GB of data + 5GB in the My Vodafone+ app, unlimited SMS within the Vodafone network for the first month included in the price + 50 CZK credit valid for 45 days
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
199,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
VDF529be
SIM Card - Includes 2.5GB of data + unlimited calls within the Vodafone network for 6 months, all included in the price + 50 CZK in credit valid for 45 days
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
399,-
In stock > 10 pcs
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Order Code:
VDF533b
SIM Card - 8 GB of data for the first month included (after that 249 CZK per month), pre-charged credit 100 CZK, price of calls in the Czech Republic 1.80 CZK/min. and good prices abroad, SMS for 1,50 CZK, no commitment or contract, the ideal choice for foreigners in the Czech Republic, customer support in six languages, 300 CZK credit bonus on first recharge min. 300 CZK
149,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code:
O2188
SIM Card - Includes 100GB of data for the first month at no extra cost + 50GB each subsequent month when you renew your plan
+Gift Service Alzaplus+ monthly subscription, gift with a value of 59,-
GoogleGoogle na Android Show 2026 ukázal Gemini Intelligence, Googlebook, Android 17 a další novinky
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noveltySony Xperia 1 VIII (PREVIEW): Sony přidává AI Camera Assistant, klasické Xperia prvky ale drží dál
Nová Sony Xperia 1 VIII přichází s novým teleobjektivem, AI nástroji pro focení i přepracovaným vzhledem zadní strany. Současně ale zachovává prvky, které už u většiny současných vlajkových telefonů téměř mizí – 3,5mm jack, microSD kartu nebo displej bez průstřelu. Co...
mobile phonesSamsung Galaxy S26 Ultra a jeho Privacy Display: Funkce, která chce změnit pohled na soukromí u mobilu
Samsung Galaxy S26 Ultra přichází s technologií Privacy Display, která mění způsob, jakým vnímáme soukromí na mobilu. Displej dokáže omezit viditelnost z bočních úhlů, aniž by zásadně ovlivnil obraz při přímém pohledu. Jde o praktický nástroj, nebo jen efektní...
speculationGoogle Pixel 11 (SPEKULACE): Úniky naznačují nový Tensor G6, AI funkce i čtyři modely včetně Foldu
Google Pixel 11 se již pomalu blíží a v důsledku toho se začínají objevovat první úniky. Spekuluje se o čtyřech modelech, čipu Tensor G6, AI funkcích Gemini i systému Pixel Glow. Internetem už kolují první rendery i technické informace o připravovaných novinkách.
Qualcomm právě oficiálně představil novou generaci procesorů Snapdragon 6 Gen 5 a Snapdragon 4 Gen 5. Oba čipy najdeme především v levnějších a středně drahých smartphonech. Přinášejí několik funkcí, které bylo doposud možné najít jen u výrazně dražších telefonů.
oneplusNovinky OnePlus Nord CE6 a CE6 Lite přinášejí velké baterie, rychlé displeje, ale i nejistou budoucnost
OnePlus představilo dvojici novinek Nord CE6 a Nord CE6 Lite. Oba telefony lákají hlavně na nadstandardně velké baterie, 144Hz displeje a Android 16. Pokud vás telefony zaujmou, musíme upozornit na jednu věc, kterou je nejistota ohledně dostupnosti těchto telefonů, i...
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