SP1030Portable GPS +Cellphone Jammer Max 450mW Specifications (A)TX Frequency: 870~96 0 MHz (B)TX frequency : 1575MHz (C)TX frequency: 1805~ 1850 MHz (A) output power: 100 ~150 mW (B) output power ï¼ 100 ~150 mW (C)Output Power: 100 ~150 mW Total Output Power: Max 450mW Battery : LI battery DC 5V / 1500mA / H Antennas: External Omnidirectional Continue using time: 2 ~3 hours Jamming Range: Radius 5 ~ 12 M The jamming radius still depends on the strength signal in given area Dimension: 95?5?18 mm Weight: 150 g