Telstra Group Ltd (ASX: TLS) is one of those ASX dividend shares that many investors already know well.
But for investors thinking about passive income, does Telstra still have the right mix of cash flow, reliability, and yield to deserve a place in a long-term income portfolio?
In my view, the answer is yes.
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A business people keep using
The reason I like Telstra for income is not just that it pays dividends. It is that the business sits behind a huge amount of daily activity.
Every time people use mobile data, stream content, run a business from a phone, process digital payments, work remotely, check maps, use apps, or stay connected while travelling, telecommunications infrastructure is doing part of the work.
That gives Telstra a useful role in the economy. It is not selling a product customers buy once and forget. It is providing connectivity that people and businesses keep using every day.
That does not make Telstra immune from competition. Mobile plans, customer churn, network investment, satellite internet, and regulation are all worth keeping an eye on. But I think the underlying demand for reliable connectivity is about as durable as it gets.
The yield looks attractive
Telstra shares are currently trading around $5.07.
According to CommSec consensus estimates, the company is expected to pay dividends per share of 21 cents in FY26 and 21.5 cents in FY27.
At the current share price, that implies forward dividend yields of around 4.1% and 4.2%.
It may not offer the highest yield available on the ASX, but I think income investors should be careful about chasing a bigger number. A slightly lower yield from a more dependable business can be far more useful than a larger yield that later gets cut.
A $10,000 investment at $5.07 per share would buy about 1,972 shares. Based on the FY26 forecast dividend, that holding could generate roughly $414 in annual dividend income. Based on the FY27 forecast, the income would be around $424.
That is before tax and any franking credits. That looks attractive to me, especially for a business with defensive characteristics.
Why I'd buy
I think Telstra's appeal comes from the combination of everyday demand and improving focus.
The company has spent years simplifying itself, investing in its networks, and leaning into its strongest asset: connectivity. That may not sound exciting, but I think it can be valuable for passive income investors.
Telstra's mobile network remains a major competitive advantage. Customers may look for value, but reliability, coverage, and speed still count. For households and businesses, losing connection is more than an inconvenience.
That gives Telstra pricing power that many companies would like to have.
There are risks. Capital expenditure is ongoing, competition remains active, and dividend growth is unlikely to be dramatic every year.
But I think Telstra offers something useful in an uncertain economic environment: a business built around a service that remains essential even when consumers are watching their budgets.
Foolish takeaway
I think Telstra shares are a buy for passive income.
The forecast yield is attractive, but the bigger appeal is the nature of the business behind it. Connectivity is now woven into work, payments, entertainment, travel, security, and everyday communication.
That gives Telstra a defensive quality I value.
The shares may not deliver explosive growth, and investors should still watch competition and network spending. But for those wanting ASX passive income from a business with steady demand, I think Telstra looks like a strong option to buy today.
