... - Strong signal,clear voice - Wholesal GSM/900//1900MHZ GSM Fixed Wireless LS-960 Model: GSM/900//1900MHZ GSM Fixed Wireless LS-960 ... ~+45°C2,Relative Humidity:10%~90%3,Working Frequency:GSM/900//1900MHZ (850/1900 MHZ)4,Working Voltage:AC100-220V,50HZ ... can set your alarm clock as your cell phone. GSM/900//1900MHZ GSM Fixed Wireless phone FWP-960 mainly for South ...