Tellabs (Nasdaq: TLAB) is expected to report Q1 earnings on April 25. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict Tellabs's revenues will wane -17.6% and EPS will remain in the red.

The average estimate for revenue is $212.5 million. On the bottom line, the average EPS estimate is -$0.04.

Revenue details
 Last quarter, Tellabs notched revenue of $242.2 million. GAAP reported sales were 24% lower than the prior-year quarter's $316.8 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 Last quarter, non-GAAP EPS came in at $0.01. GAAP EPS were -$0.07 for Q4 compared to -$0.02 per share for the prior-year quarter.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
 For the preceding quarter, gross margin was 38.6%, 390 basis points worse than the prior-year quarter. Operating margin was -4.3%, 320 basis points worse than the prior-year quarter. Net margin was -9.6%, 810 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $906.3 million. The average EPS estimate is $0.00.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 382 members out of 430 rating the stock outperform, and 48 members rating it underperform. Among 87 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 79 give Tellabs a green thumbs-up, and eight give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Tellabs is hold, with an average price target of $3.30.

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