GSM-WT2000SS HANDSFREE GSM Desk Phone
	Product Description The large LCDs are more convenient for the customers to retrieve call information such as caller numbers and call durations. Key Features: - Dual-display - Network management - Display caller numbers - Add prefixal code automatically - Hands free - Charge rate settings - Lock keyboard - Call records - Locking telephone, SIM card, service provider & district - Receive or send short messages Technical Specifications: - Relative Humidity: 10% ~ 95% - Air Pressure: 86Kpa ~ 106Kpa - Environmental Noise: <= 60dB(A) - Working Frequency: automatically switch between GSM 900MHz and GSM 1800MHz - Stability of Frequency: better than 2.5PPM - Signal Sensitivity: -103dBM - Transmit Power: <2W - Power supply: AC 220V ± 15V and charge battery back-up