1) Compact and thin (3.2 x 2.5/4.0 x 2.5/5.0 x 3.2/6.0 x 3.5/7.0 x 5.0mm types) 2) Standard nominal frequency for PLL-system are lined up (ex. GSM, PDC, CDMA, PHS, MP3, MP4, etc.) 3) Excellent electrical characteristics and environmental performance for applications in mobile communications