[ 148 ]• TECHNICAL INFORMATIONFeature SpecificationWeight 3.2 oz. (92 grams) with BLD-3 720 mAhLi-Ion batteryWireless networks GSM 850, 1800, and 1900 networksSize (volume) 4.6 cubic inches (75 cubic centimeters)Frequency range (Tx) GSM 850: 824-849 MHzGSM 1800: 1710-1785 MHzGSM 1900: 1850-1910 MHzFrequency range (Rx)GSM 850: 869-894 MHzGSM 1800: 1805-1880 MHzGSM 1900: 1930-1990 MHzTx output power 2 W (GSM 850 max)1 W (GSM 1800/GSM 1900 max)Battery voltage 3.7 VdcOperating temperature +14°F to +131°F (-10°C to +55°C)Number of channels GSM 850: 124GSM 1800: 374GSM 1900: 299Memory locations Up to 500 in phone memory
