... battery .11. Displaying date, time, week, battery status, and signal strength on the LCD.12. Displaying the numbers and current ... dialed calls . Handset function: 1. 2.4 G digital wireless phone.2. Locking keypad.3. Calculating call duration.4. Adjusting ... products which can be divided into sixteen category, including wireless telephone, GSM terminal, wireless network card, PBX related to GSM, CDMA, ...