Iridium Communications (Nasdaq: IRDM) is expected to report Q4 earnings on Feb. 28. 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 Iridium Communications's revenues will grow 3.3% and EPS will expand 90.9%.

The average estimate for revenue is $98.1 million. On the bottom line, the average EPS estimate is $0.21.

Revenue details
 Last quarter, Iridium Communications booked revenue of $100.4 million. GAAP reported sales were 1.6% lower than the prior-year quarter's $102.1 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, EPS came in at $0.23. GAAP EPS of $0.23 for Q3 were 44% higher than the prior-year quarter's $0.16 per share.

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 71.9%, 280 basis points better than the prior-year quarter. Operating margin was 33.5%, 980 basis points better than the prior-year quarter. Net margin was 17.8%, 600 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $389.4 million. The average EPS estimate is $0.84.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 209 members out of 216 rating the stock outperform, and seven members rating it underperform. Among 61 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 58 give Iridium Communications a green thumbs-up, and three give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Iridium Communications is outperform, with an average price target of $10.50.

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