Technical Specifications Jamming Range is 5- 15 meters Jamming Frequencies: 2320-2345MHz, 2345-2400MHz, 167-173MHz Blocking Range:5- 15 meters Output Signal Strength: Total 900mw Power Supply: 200 mA DC 12 V Battery Specifications: 4600 mAh, (3 hours of operation, recharging takes up to 6 hours) Impedance: 50 ohm Size: 186 mm x 64 mm x 34 mm Weight: 0.600 kg Working Temperature: -10 C to +60 C Note: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.