التغطية مستقرة.

A good MSA-style pronunciation is:

at-taghṭiya mustaqirra

A few notes:

• الـ in التغطية is pronounced at-, not al-, because ت is a sun letter, so the l sound assimilates.
• غ is a throaty sound, often approximated as gh.
• ط is an emphatic t.
• مستقرة has a doubled r sound because of the shadda on ر in the fully vowelled form.

If you read it with full case endings in very careful formal Arabic, it would be:

at-taghṭiyatu mustaqirratun

But in normal written MSA reading, learners often say simply at-taghṭiya mustaqirra.

Because Arabic usually omits the present-tense verb to be.

So:

• التغطية مستقرة = The coverage is stable

This is called a nominal sentence in Arabic. It has:

• التغطية = the subject
• مستقرة = the predicate

In the present tense, Arabic normally does not say a separate word for is.

But in the past or future, Arabic does use a verb:

• كانت التغطية مستقرة = The coverage was stable
• ستكون التغطية مستقرة = The coverage will be stable

Word by word:

• التغطية = the coverage
• مستقرة = stable, steady, settled

So the sentence is literally:

• The coverage stable

Which in natural English becomes:

• The coverage is stable

Because التغطية is a feminine singular noun, and Arabic predicates/adjectival forms commonly match in gender.

So:

• مستقر = masculine
• مستقرة = feminine

Since التغطية ends in ـة and is grammatically feminine, the sentence uses:

• التغطية مستقرة not
• التغطية مستقر

This is grammatical gender, not biological gender. English speakers often need time to get used to that.

Because this is a normal Arabic sentence pattern:

• definite subject
  • indefinite predicate

So:

• التغطية = the coverage (definite)
• مستقرة = stable (indefinite predicate)

That is the usual way to say The coverage is stable.

If you made both words definite:

• التغطية المستقرة

that would usually mean:

• the stable coverage

That is a noun phrase, not a complete sentence.

The key clue is definiteness.

In Arabic:

• التغطية مستقرة = a sentence
  • The coverage is stable
• التغطية المستقرة = a noun phrase
  • the stable coverage

Why?

Because when an adjective directly describes a noun in Arabic, it normally matches it in:

• definiteness
• gender
• number
• case

So if مستقرة were simply an adjective attached to التغطية, it would usually also need الـ:

• التغطية المستقرة

Without الـ, مستقرة is understood as the predicate of the sentence.

In fully vowelled formal Arabic, the sentence is:

• التغطيةُ مستقرةٌ

Both words are in the nominative here:

• التغطيةُ = the subject (mubtadaʾ)
• مستقرةٌ = the predicate (khabar)

In everyday reading of MSA, those short final vowels are often not pronounced, so people commonly just read:

• التغطية مستقرة

But it is useful to know the underlying grammar.

Because ت is one of the sun letters.

With sun letters, the l sound of الـ assimilates to the first consonant of the word. So:

• written: التغطية
• pronounced: at-taghṭiya

Not:

• al-taghṭiya

This is a very common feature of Arabic pronunciation.

التغطية comes from the verb غطّى meaning to cover.

So:

• غطّى = he covered
• تغطية = covering / coverage

With الـ, it becomes:

• التغطية = the coverage

Depending on context, التغطية can refer to things like:

• network coverage
• media coverage
• general covering/coverage

So the exact English translation depends on context.

مستقرة is the feminine form of مستقر.

It comes from the verb استقرّ, which means things like:

• to settle
• to become stable
• to become steady

So مستقر / مستقرة can mean:

• stable
• steady
• settled

In this sentence, مستقرة functions as the predicate: it tells you the state of التغطية.

Yes, Arabic can sometimes vary word order for emphasis.

The basic neutral order is:

• التغطية مستقرة

You may also see:

• مستقرة التغطية

but that is less neutral and more marked stylistically. For most learners, the normal and safest version is:

• التغطية مستقرة

That is the standard straightforward way to say The coverage is stable.