NEXTEL I833 Estimated talk time: up to 4.5 hours (with standard battery) Estimated standby time: up to 5.21 days (with standard battery) Weight: Approx. 116 grams Size: 8.8 x 5.0 x 2.4 cm Nextel's Direct Connect two-way radio service Built-in microbrowser for Wireless Web Services Downloadable ringtones and Java applications Integrated Global Positioning System (GPS) Nextel Online – attach your phone to a PDA or laptop and use as a wireless modem Easy Tegic T9™ Text Input Built-in fraud and cloning protection 250-Entry Consolidated Phonebook in a 32k