Bermuda-based Tyco Electronics Ltd. plans to sell its radio-frequency components and sub-system business as in a bid to divest or exit non-strategic businesses.

The operations for sale brought in about $500 million in the fiscal year 2007, representing 56 percent of the total sales recorded by Tyco's wireless-systems sector.

But it does not plan to divest the remaining parts of that segment - the public safety/land-mobile radio systems and products business.

The business being divested - which makes amplifiers and antennas as well as circuits for the aerospace, defense and commercial markets - employs some 2,000 employees throughout the US and Europe. Tyco Electronics, which employs about 94,000 globally, did not say if it will cut jobs as part of the divestiture.

The company said the move does not affect earnings expectations for the quarter ending this month, which remain 60 cents to 62 cents a share. Analysts' latest mean estimate was 63 cents a share.

Tyco Electronics' wireless business has seen slow growth with a two percent revenue gain in the fiscal first quarter ended December 31 and flat earnings. Operating margins for the segment are around seven percent, by far the lowest of the company's four major divisions.

Tyco Electronics was created in June when it split from Tyco International Ltd. Since then, it has been trying to shed non-strategic assets. As part of that effort, the company sold its electronics power-systems business at the end of December to investment firm Gores Group for $100 million.

Earlier on Thursday, Tyco said its board authorised a $500 million increase to its share-buyback programme.