This clamshell phone combines Push To Talk with basic 3G data in a clamshell form factor. Extra features include Bluetooth, a VGA camera, speakerphone, quad-band GSM for roaming, multi-tasking, and over-the-air software updates.
Only CU400 variant has a camera
| Specs | Compare side-by-side vs... | 
| Display | 176 x 220 pixelsType: LCD (TFT/TFD) | 
| Battery | 1100 mAh LiIonRemovableTalk: 5 hours max.Standby: 300 hours max. | 
| Processor | ? | 
| Storage | Not expandable | 
| Camera | Some versions onlyVGA (640 x 480)CU400 onlymulti-shot, self-timer functionsbrightness, white balance controlsVideo: QVGA (320 x 240)15 fps / 3GPP format / 5-14 minutes | 
| Weight | 3.27 oz 93 g | 
| Dimensions | 3.36 x 1.89 x 0.9 in 85 x 48 x 22.9 mm | 
| OS / Platform | (proprietary) | 
| Modes | 
      WCDMA  2 / 5GSM  850 / 900 / 1800 / 1900
      | 
| Data Technology | WCDMA (UMTS)plus EDGE | 
| Phone Book Capacity | 500 | 
| SIM card size | Traditional / Mini 2FF | 
| Features | Ungroup Features Show all features | 
| Accessibility | |
| Hearing Aid Compatible | Rating: M3, T3 (mostly tele-coil compatible) | 
| Multiple Languages | Yes | 
| TTY/TDD (Digital) | Yes | 
| Alerts | |
| Extra Display | monochrome LCD / 96 x 64 pixels | 
| Vibrate | Yes | 
| Connectivity | |
| Bluetooth | Supported Profiles: HSP, HFP, DUN, OPP, FTPversion 1.2 / supports PTT | 
| USB | Yes | 
| Contacts | |
| Picture ID | Yes | 
| Ringer ID | Yes | 
| Customization | |
| Custom Graphics | Yes | 
| Custom Ringtones | Yes | 
| Real-Music Ringers | Yes | 
| Data & Network | |
| Data Tethering | Yes | 
| Flight Mode | Yes | 
| WAP / Web Browser | Yes | 
| Input | |
| Predictive Text Entry | Technology: T9 | 
| Side Keys | up/down, PTT keys on left / camera key on right | 
| Messaging | |
| Instant Messaging | Networks Supported: AOL, MSN, Yahoo! | 
| MMS | Yes | 
| Text Messaging (SMS) | Yes | 
| Text Messaging Templates | Yes | 
| Software | |
| Games | Yes | 
| Java (J2ME) | Version: MIDP 2.0 | 
| Voice | |
| Headset Jack (2.5 mm) | Yes | 
| Push-To-Talk | Type: Kodiak RTXsupports Bluetooth | 
| Speaker Phone | Yes | 
| FCC IDs | BEJCU400 » approved Aug 10, 2006BEJCU405 » approved Jan 22, 2007 |