GSM беспроводной телефон-автомат GDF2000-DMS

The wireless payphone is a 3-in-1 type of payphone. The various tariff setting can meet the requirements of nowadays telecom market, such as different charging rates for the first timing unit and the following timing unit for the same call, different charging rate for different time in one day and different charging rate for weekend and holiday and working day. Remote network manage system reduce the expenses and duration of maintenance. Double sides LCD are more convenient for the costumers and the owner of the payphone to look at the call information such as call duration and call numbers. Main Features l Dual-display: Supports 420 chars display.l Tariff setting: Supports 15/20/230 kinds of tariffs.l Supports short messages.l Hand Freel Remote Network Management (SMS)l Supports data management via wire (PTP)l Locking keyboardl Inquire call recordsl Call records: 40 dialed calls, 20 incoming calls and 10 missed calls can be saved respectively.l Locking telephone, locking SIM card, locking GSM network IDl Automatically call pre-set gateway (optional)l Add pre-set access code automatically(optional)l Optional ring (optional): 10 kinds of fair-sounding ring are optional to the userl Supports prepaid and postpaid mode (optional)l locking BTS cells (optional)l E-Purse (optional)l Print call records(optional)Technical Specifications .Environmental Temperature: -10 to +40 .Relative Humidity: 10% to 95% .Air Pressure: 86Kpa to 106Kpa .Environmental Noise: ≤60dB(A) .Working Frequency: Automatically switch between GSM 900 and GSM1800MHz (GSM850Mhz and GSM1900Mhz are optional) .Frequency Stability: Better than 2.5 PPM .Signal Sensitivity: -103dBM .Transmit Power: 2W .Power supply: AC 220V±15V and rechargeable battery back-up