CT-3024N WIFI 11b/g/n 2.4Ghz High Power 20W Desktop portable Jammer up to 1500m Model specialized to totally block only 2.4Ghz signals. The effective blocking range is 500 to 1500+ meters. Do not blocking GSM Cell phones. Working time is 24 hours without stop. 1 Band/Antenna Frequency: 2.4 GHz 1 x 20W TOTAL : 15W Jamming Range: Radius 500~1500+ meters The jamming distance will be varied depending on the signal strength, antennas and location. 100% Safe VSWR over protection (Isolator) for modular Power OFF/ ON, Max output power only. Power supply: AC110 or 220-240V /DC 27V Working time: Without the time limit, may continue to work Antennas Omni 500mm long Dimension: 410 x 235 x 95mm Weight: 10Kg Package contents: 1 pc Desktop Jammer 1 pc AC 110 or 220V or 27V 20A power supplier 1 pc Antennas Omni 500mm long Additional antenna options: - Directional External Patch Panel Antenna + 30$ - Omni car magnetic antenna bases + 30$ Power source additional order options: - External battery that can works about 3-5 hours ( 24V/20AH LiFePo4 ) + Charger + 380$ - DC 12V to AC 220V inverter 2000W, to use normal car battery DC 12/80-100AH +120$ Wireless remote control in order option + 50$ 1 Year warranty, Taiwan quality made in Hong Kong R&R GROUP INTERNATIONAL Taipei Taiwan, Hong Kong, Dubai UAE