The grades of three Communications Equipment stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

PC-Tel Inc. (NASDAQ:PCTI) is making progress this week as its rating of C (“hold”) from last week increases to a B (“buy”) rating this week. PCTEL develops and supplies software-based connectivity solutions. Shares of PCTI have increased 13% over the past month, better than the 1% increase the Nasdaq has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of PCTI stock.

Harris Corp. (NYSE:HRS) gets a higher grade this week, advancing from a C last week to a B. Harris is an international communications equipment company focused on product, system, and service solutions. Investors have pushed the stock price up 9.2% over the past month. For more information, get Portfolio Grader’s complete analysis of HRS stock.

This week, Symmetricom (NASDAQ:SYMM) pushes up from a C to a B rating. Symmetricom generates, distributes and applies precise time for the communications, aerospace/defense, IT infrastructure and metrology industries. Wall Street seems to agree with the upgrade and has propelled the stock up 11.3% over the past month. For more information, get Portfolio Grader’s complete analysis of SYMM stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.