GSM-TIT901 Wireless Telephone possesses all the functions of ordinary telephone. It imports industrial communication module, has exquisite design, clear tone and strong reception signal. It is easy to operate, especially suitable to use in the family and office. Main Functions & Characteristics 1.Adopt advanced integrate circuit. The movement is stable and the performance is predominant. 2.Suitable for GSM900/1800MHz network. 3.Easy to operate. It can be setup to add IP prefix number automatically when dialing the long-distance telephone calls. 4.Adopt rechargeable battery. It can still have 6 hours to talk on the phone or 30 standby hours when the power supply is cut off. 5.Display of electric consumption of battery and signal intensity. 6.Set clock display inside. 7.Sweet ringing tones for choice at will. 8.The dialed digits display and caller ID. 9.The volume is adjustable. 10. Display of call time. 11. Can search for received, dialed and missed calls. 12. Strong antenna signal and the sensitivity is high. 13. Can set mutual-lock of phone and SIM card, lock network and sector.