"Despite the stomach churning volatility that we've seen recently with Towerstream (TWER), nothing has really changed regarding the firm's bullish outlook," says tech expert Paul McWilliams.

The editor of Next Inning newsletter explains, "Towerstream provides enterprise WiMax broadband services. Its base model is growing fairly steadily and should continue to do so going forward.

"Since there is very little new capital cost that has to be invested in this model, the marginal profit from this growth is very high. Therefore, time is on our side when it comes to making money from the base model.

"QuickLogic (QUIK) recently reported fourth quarter revenue slightly below its revised guidance, and forecast that Q1 new product revenue would be down roughly $100K," notes tech sector specialist Paul McWilliams.

In his Next Inning newsletter, he explains, "Both are clearly disappointing pieces of news. However, as I see it, the disappointment ends there, and I continue to own these shares.

"The semiconductor company makes products that enable customers to add new features, extend battery life and enhance images on mobile and consumer products.

This post is one in a series in which more than 60 newsletter advisors share their Top Stock Picks for 2011. This special report is courtesy of TheStockAdvisors.com.

"PMC-Sierra (PMCS) is a top speculative investment for the coming year," says tech sector specialist Paul McWilliams. Incidentally, Paul's selection of EZChip in last year's Top Picks report rose 135%.

Regarding his new top pick, the editor of Next Inning says, "PMC Sierra is a leader in integrating more functions into a single chip.

"When it comes to indispensable and compelling technologies, none can compete with mobile phones. That's where InterDigital (IDCC) comes in," says growth stock specialist Lou Basense.

The contributing editor to Investment U explains, "To say InterDigital invented wireless technology is no exaggeration. After 37 years in business, its inventions are now used in every digital cell phone.

"So why haven't you heard of it, given such broad market penetration? That's simple. The company doesn't manufacture a single product. Instead, it sells 'know-how.'

"Our latest featured breakout stock is American Tower (AMT), which recently moved to a new 10-year high," says Leo Fasciocco.

The editor of Ticker Tape Digest, who focuses on stocks breaking out of technical basing patterns, explains, "With annual revenues of $1.9 billion, the company operates wireless communications towers, broadcast communications towers and distributed antenna system networks.

"The firm's wireless and broadcast towers consisted of towers that it owned and towers that it operated pursuant to long-term lease arrangements. They include 20,000 towers in the U.S. and 7,000 towers in Mexico, Brazil and India.

"Research In Motion (RIMM) is clearly undervalued at 9.7 times forward EPS; investor's concerns regarding the intense competition in the smart phone market have caused the stock price to decline 26% during the past seven months," says value investor J. Royden Ward.

The editor of Cabot Benjamin Graham Value Letter explains, "We believe exciting new product introductions will boost sales and earnings growth more than expected during the next couple of years.

"I still see fresh opportunities in this market, such as Vodafone (VOD), the world's leading mobile telecommunications company," says Mark Skousen.

The editor of High-Income Alert explains, "The company has a significant presence in North America, Europe, the Middle East, Africa and Asia. It currently has more than 350 million customers.

"The company operates under a number of brand names. In the United States, the group markets its products through Verizon Wireless.

"Qualcomm (QCOM) is benefiting from consumers' continued love affair with mobile phones," notes growth stock specialist Stephen Leeb.

The editor of The Complete Investor explains, "The San Diego-based company licenses mobile technologies to cell phone manufacturers; its royalties rise as phone prices go up.

"In the latest quarter the company beat expectations, and going forward it forecasts strong unit sales and higher average prices as well.

"You may currently use your smartphone for making calls, checking the Internet and snapping the occasional photo; but wouldn't it be convenient if it served as a credit card as well?" asks Dr. Melvin Pasternak.

The editor of Double-Digit Trading suggests, "Sound unreal? It's not. Mobile banking is a new and fast-growing trend. And one company making this possible is VeriFone Systems (PAY).

"Using small chips that emit short-wave signals, banking information can be securely transmitted from your smartphone to the cash register. You can make purchases by simply waving your phone over the store's chip.

"Based on its underlying fundamentals, one company you need to put at the top of your 'Buy' list right now -- InterDigital (IDCC)," says Louis Basenese.

The contributing editor to White Cap Research explains, "The company is a verifiable patent machine. It focuses exclusively on creating technologies for the wireless communications market.

"In my view, no matter what happens to global GDP growth rates, the wireless market will continue to expand and evolve. Meanwhile, the company's fundamentals are top-notch.

"In a number of respects, Motorola (MOT) is the quintessential 'special situations' stock; indeed, I like the various investment angles -- company break up, asset sales, buying by a big insider, a re-energized product line," asserts Chuck Carlson.

The editor of The DRIP Investor explains, "The firm is in the midst of a major restructuring, which includes selling off assets and splitting the company into two separately traded entities.

"The breakup, scheduled for next year, will separate the company's handset phone business from its enterprise mobility business.

"The amount of data being transmitted over mobile networks is exploding. Cisco estimates that global mobile data traffic will jump 39 times the current usage by 2014. The only rub? The networks aren't equipped to handle such a massive influx. Not even close," says Lou Basenese.

The editor of White Cap Research Group explains, "A bandwidth crunch is looming just on the horizon, threatening to cripple any network caught with its pants down. And that's where our newest recommendation -- InterDigital (IDCC) -- comes in.

"To say InterDigital invented wireless technology is no exaggeration. After 37 years in business, its inventions are now used in every digital cell phone. So why haven't you heard of it, given such broad market penetration?

"Cellcom Israel (CEL), Israel's leading mobile-phone company, delivered decent fourth-quarter results, highlighted by modest +4% top-line growth but more robust +11% net income growth," says Amy Calistri.

The editor of The Daily Paycheck explains, "That caps off a fiscal year that saw impressive expense control, and a shift to higher-margin offerings. So the full-year results were even more dramatic than the quarterly trend, with net income soaring almost +20%."

"Qualcomm (QCOM), a $63 billion San Diego-based company, has become that rare creature: a true technology franchise," says growth stock expert Stephen Leeb.

In his The Complete Investor, he explains, "With more than 11,600 U.S. and 54,100 international patents and patent applications, Qualcomm is the leader in wireless technology, supplying semiconductor chips to a huge array of wireless companies - from mobile phone companies to notebook computer manufacturers - around the world as well as licensing its technology for a fee."

Usage and demand for wireless data services is surging; according to the U.S. FCC data use has soared by over 700% in just the past four years alone," says Neil George.

In his Stocks that Pay You, he says, "We suggest you look at four companies involved in different aspects of the developing 4G network, which will provide for easier handling of more data, particularly in mobile devices."