Standard Compliances CDMA2000 1x 800MHz or 1900MHz (backward compatible to IS-95) IS-98E QCELP and EVRC Vocoder Basic Features Large 128x64 Dot-Matrix Graphic LCD Yellow-Green LCD Backlight 25 Keys with On/Off Key Speaker Phone for Ringing and Hand-Free Mode USB1.1 Interface (Maintenance and/or Data) Mechanical Power Switch for Complete Power-Off Charger AC Input : 90 ~ 240 VAC, 50~60Hz Charger DC Output : 6.6VDC @800mA / 5.3VDC @800mA Battery Capacity : 1200mAh NiMH Battery (Li+ Battery optional) Battery Operation Time : Talk 3hrs / Standby 96hrs Size : 200(L)x175(W)x67(H) mm Weight : < 1.0kg Antenna Conn Type : TNC Network Dependent Features Call Waiting, Forwarding, 3-Way Calling Caller ID Voice Mail Two-Way SMS Messaging OTA (IS-683 / IS-683A) User Interface Features 200-Entry Contacts + Contacts in UIM (if used) 200-Items SMSs + SMS in UIM (if used) Call History Calendar, Schedule, Alarm Clock Screen Saver with Date/Time Display Speed-Dialing Polyphonic Ring Tones Selectable Features R-UIM or Non R-UIM Languages: English, Spanish, Chinese, Arabic, Others can provided as required AC Plug Type for Charger Casing Colors: White, Black, And Grey Call Meeting Function (if network supports)