1. Backup and restores phonebook data from sim card

2. Memory: 32KB-1000telephone records. 4different sim card data storage, each 250 records

3. Password lock&phonebook viewing

4. Can set up company logo display when switching on it

5. Support data exchange among different sim cards

6. Easy to operate, user-frinedly operation interface supported

7. Device indepent, no pc or pda required

8. The data stored in thg device won't lost, even if out of electricity

9. The device is accordance with iso/iec 7816-3 gsm11.11ang gsm11.12standard, it can support 3V simcard and r-uim card