The grades of 5 Communications Equipment stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Ubiquiti Networks, Inc. (UBNT) gets a higher grade this week, advancing from a B last week to a A. Ubiquiti Networks, Inc. designs, manufacturers and sells innovative broadband wireless solutions worldwide. The company also gets A’s in earnings momentum and return on equity. For more information, get Portfolio Grader’s complete analysis of UBNT stock.

The rating of Silicom Ltd. (SILC) moves up this week, rising from a C to a B. Silicom Ltd. designs, manufactures, markets, and supports Multi-Port Gigabit-Ethernet Server Adapters. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of SILC stock.

This week, ParkerVision, Inc.’s (PRKR) ratings are up from a C last week to a B. ParkerVision, Inc. designs, develops, and markets solutions for wireless products. For more information, get Portfolio Grader’s complete analysis of PRKR stock.

AudioCodes Ltd. (AUDC) boosts its rating from a B to a A this week. AudioCodes Ltd. designs, develops, and markets products for voice and data over packet networks. For more information, get Portfolio Grader’s complete analysis of AUDC stock.

This week, Extreme Networks, Inc. (EXTR) pushes up from a B to a A rating. Extreme Networks, Inc. provides network infrastructure equipment and services for enterprises, data centers, and service providers. The company also gets A’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of EXTR 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.