- Yusung C&C
- Headset,Spaceball - Presentation RF Mouse,Viewtrans 200,LabEar Control Console,Wireless Headset,RF Module,Freecom,Talky-M,Voice Pack - Wireless Microphone,Note Pack,Labear (Two-Way Multimedia Communication System),Labear,Portable Battery Charger.
- Address:865-13,Bangbae-dong ,Seocho-gu
- WIRELESS ENGINEERING INC
- Bluetooth , 2. 4GHz RF Trackball Keyboards,Mouse,Keyboards.
- Address:# 404 Daegyo Bldg. 56-4 Wonhyoro-3ga, Yongsan-Gu
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