Datový limit je malý.

The subject is datový limit.

• limit = limit / cap
• datový = data-related

Together, datový limit means data limit or data cap.

In this sentence, datový limit is what the sentence is talking about, so it is the subject.

In Czech, it is very common to use an adjective where English uses a noun as a modifier.

So:

• English: data limit
• Czech: datový limit

Here, datový is an adjective meaning data-related. It comes from data, but it is changed into adjective form so that it can agree with the noun limit.

This is a very normal Czech pattern:

• mobilní telefon = mobile phone
• jazyková škola = language school
• datový limit = data limit

Because malý has to agree with limit.

The noun limit is:

• masculine
• singular
• nominative

So the adjective also takes the masculine singular nominative form:

• malý

If the noun were different, the adjective would change too:

• malý limit
• malá cena
• malé množství

This is one of the most important things in Czech grammar: adjectives change to match the noun they describe.

Je means is.

It is the 3rd person singular present form of the verb být = to be.

So:

• Datový limit je malý.
• The data limit is small.

A very common pattern in Czech is:

[noun] + je + [adjective]

For example:

• Dům je velký. = The house is big.
• Auto je nové. = The car is new.
• Datový limit je malý. = The data limit is small.

It is in the nominative case.

Why? Because it is the subject of the sentence.

In a basic sentence with to be, the thing being described is usually in the nominative:

• Student je unavený.
• Telefon je drahý.
• Datový limit je malý.

So both datový and limit are in nominative singular.

It can often feel like low in English, depending on context.

Literally, malý means small. But with things like limits, amounts, or quantities, English often prefers low rather than small.

So in natural English, this sentence could be understood as:

• The data limit is small.
• The data limit is low.

If this is about a phone plan or internet plan, low data cap may sound especially natural in English.

Yes, Czech word order is flexible, but the basic neutral order here is:

Datový limit je malý.

That is the most natural, straightforward version.

You could change the order for emphasis, but it would sound marked or stylistic. For a learner, the standard pattern is best:

• subject + je + adjective

So if you are producing your own Czech, stick with: Datový limit je malý.

A simple approximate pronunciation is:

DA-to-vee LI-mit ye MA-lee

A few useful notes:

• á is a long vowel
• ý is also a long vowel
• j is pronounced like English y in yes
• je sounds roughly like ye

Stress in Czech usually falls on the first syllable of each word:

• DAtový
• LImit
• JE
• MAlý

Yes. Limit is a normal Czech word, even though it is a loanword.

It is used in everyday Czech, especially in technical, financial, and telecom contexts.

For example:

• rychlostní limit = speed limit
• časový limit = time limit
• datový limit = data limit

So although it may look similar to English, it behaves like a regular Czech noun.

Yes, very often.

In real life, datový limit is commonly used for:

• mobile data plans
• internet packages
• data caps from providers

So if you see: Datový limit je malý, it often means something like:

• the mobile data allowance is small
• the data cap is too low

The exact meaning depends on context, but this is a very common real-world use.