CIJ Corp.

This company, which was established through ETRI laboratory on 2000. 3.1, develops and produces mobile communication RF parts.

This company focuses on IMT-2000 duplexer and RF modules and currently under r preparatio
n to mass-produce duplexers for PCS.
Duplexer, one of the main components, is a filter positioned under the lower part of
the antennae of the mobile communication equipment that separates and filters the send and receiving frequencies. Recently, due to miniaturization trend of the equipments, the duplexers are required to be smaller and lighter.

The market is expe
cted to grow explosively in future due to IMT-2000. This company has secured independent design and manufacturing process to achieve best quality and improve productivity through reforming main processes.

We are planning to expand into RF modul
e markets, and establish a lab for further researches and expand our market share in the world market. communication equipment that separates and filters the send and receiving frequencies.

Recently, due to miniaturization trend of the equipmen
ts, the duplexers are required to be smaller and lighter.
The market is expected to grow explosively in future due to IMT-
2000.