Allot Communications (Nasdaq: ALLT) is expected to report Q4 earnings on Feb. 5. 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 Allot Communications's revenues will increase 35.4% and EPS will increase 14.3%.

The average estimate for revenue is $29.8 million. On the bottom line, the average EPS estimate is $0.16.

Revenue details
 Last quarter, Allot Communications booked revenue of $27.8 million. GAAP reported sales were 38% higher than the prior-year quarter's $20.1 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, non-GAAP EPS came in at $0.15. GAAP EPS of $0.07 for Q3 were 13% lower than the prior-year quarter's $0.08 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 69.5%, 200 basis points worse than the prior-year quarter. Operating margin was 9.1%, 60 basis points worse than the prior-year quarter. Net margin was 8.6%, 170 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $108.5 million. The average EPS estimate is $0.61.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 120 members out of 130 rating the stock outperform, and 10 members rating it underperform. Among 27 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 23 give Allot Communications a green thumbs-up, and four give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Allot Communications is outperform, with an average price target of $28.91.

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