Nokia 3100 and Nokia 3120 User Guide 103 Copyright © 2004 NokiaTechnical information27 Technical information(3100 and 3120)Feature SpecificationDimensions Width 1.68 in (42.8 mm)Height 4.00 in (1.08 mm)Depth 0.76 in (19.6 mm)Weight 87.4 gmwith BL-5C Li-Ion BatteryWireless networks GSM 900, 1800, and 1900 networksSize (volume) 4.09 cu in (67 cu cm)Frequency range (Tx) GSM 900: 880–915 MHzGSM 1800: 1710–1785 MHzGSM 1900: 1850–1910 MHzFrequency range (Rx) GSM 900: 925–960 MHzGSM 1800: 1805–1880 MHzGSM 1900: 1930–1990 MHzTx output power 2W (GSM 900 max)1W (GSM 1800/GSM 1900 max)Battery voltage 3.7 VdcNumber of channels GSM 900: 174GSM 1800: 374GSM 1900: 299