GSM Baby call phoneItem No.: KT1000 (52W)-Baby call typeBasic Features1.Anti-riot type,Website: , suitable for corridor and outdoor place2.One SIM card inside3.Pick up handset to call out4.External Antenna 5.No need cable 6.Large Dot-Matrix Graphic LCD 7.Caller ID 8.Yellow-Green LCD Backlight 9.16 Keys 10.Emergency call 11.Baby call 12.Inside Adapter AC Input : 100 ~ 240 VAC, 50~60Hz 13.Inside Adapter DC Output : 4.6VDC @1000mA 14.Antenna : Columnar antenna 15.Weight : ``lt'' 4.0kg Technical Specifications ItemsParametersWorking FrequencyGSM900/DCS1800MHzCarrier Spacing200KHzMax output power33dbm±2db@900MHZ 30dbm±2db@1800MHZReceiver Sensitivity``lt''-104dBm-104dbm