ETFs Pentastone Electronics, Inc.

Pentastone Electronics Inc, formerly Wireless Power Amplifier Module Inc, is a Korea-based company engaged in the manufacture and sale of power amplifier modules for wireless communication. The Company operates its business through five segments. The Mobile Electronics segment manufactures and sells products such as mobile radio frequency front-end (RFFE), micro electro-mechanical systems (MEMS) microphones, and sensors. The Vehicle Electronics segment manufactures and sells products such as vehicle RFFEs and vehicle electrical components. The System and Equipment Solutions segment manufactures and sells products such as Korea Electric Power Corporation (KEPCO) power line communication (PLC), and automated production equipment. The New Technology Investment segment engages in new technology investment business. The Other segment engages in leasing and other businesses.