Features:1) Frequency: GSM 850 / 900 / 1,900MHz, GSM 900 / 1,800MHz,GSM 900 / 1,800 / 1,900MHz2) Supports carrier lock3) Convenient operations4) Phone book5) Intelligent power management6) Random PIN

Features:1) Supports fax and telephone ports2) Phone book3) Intelligent power management4) Attached small keyboard5) Long distance call locking6) Supports carrier locking7) Supports keyboard locking8)

Features:1) Supports carrier lock2) Network management to modify parameters remotely3) Phone book4) Supports barring calls5) Attached small keyboard6) 5-second prompts to switch7) Call records8) Suppo

Features:1) Supports carrier lock2) Good design3) Displays battery level and signal strength4) Phone book5) Intelligent power management6) Random PIN code protection7) Long distance call locking8) Cal

Features:1) Supports carrier lock2) Supports normal extension port3) Phone book4) Intelligent power management5) Attached small keyboard6) Long distance calls locking7) Supports keyboard locking8) Sup

Features:1) With SIM card2) Convenient operations3) Phone book4) Intelligent power management5) Random PIN code protection6) Long distance calls locking7) Call records8) Supports carrier locking9) Han

Features:1) Supports carrier lock2) Good appearance3) Convenient operations4) Phone book5) Intelligent power management6) Random PIN code protection7) Long distance call locking8) Call records9) Suppo

Features:1) Supports carrier lock2) Supports normal extension port3) Phone book4) Intelligent power management5) Attached small keyboard6) Long distance calls locking7) Supports keyboard locking8) Sup

Features:1) Supports carrier lock2) Good appearance3) Convenient operations4) Phone book5) Intelligent power management6) Random PIN code protection7) Long distance call locking8) Call records9) Suppo