SIM Card Backup Device Supporting Data Exchange between GSM and CDMA (Model 274)

Feature:

• Applicable to GSM and CDMA system
• Backups telephone directory information of all kinds of SIM card
• Restores telephone directory information saved in backup device to phones
• Capacity:32KB, can back up information of four SIM cards, total 1000 telephone records
• Device independent, no PC or PDA required
• Don't worry losing information when battery is dead - information can be saved in backup device for over three years
• Display the backup status - number of directories stored
• 24 hours clock function & Clock setup function
• Dimension:77*39*12(mm)
• Color: silver
• Weight: 29.3g