18 Antennas 42W High Power Cell Phone Signal Jammer with 40m Jamming Radius

This 18-antenna cell phone jammer SA-018B is our latest model, designed to block all 2G, 3G, and 4G mobile phone signals, while also jamming Wi-Fi 2.4G/5GHz, GPS LOJACK, RF 315MHz/433MHz, VHF/UHF Walkie-Talkie, and wireless headset/microphone signals. This all-in-one jammer provides powerful signal blocking with a jamming radius of up to 40 meters. The device can be used directly in vehicles with DC12V car charger and features built-in cooling systems for continuous operation.

• Jam Signal Type:
  • SA-018A: Full Bands Mobile Phone 4G/3G/2G + WiFi 2.4G + GPS L1-L5 + Walkie-Talkie UHF/VHF
  • SA-018B: Full Bands Cellphone 4G/3G/2G + WiFi 2.4G + GPS L1-L5 + Full Bands Walkie-Talkie 135-500MHz
  • SA-018C: Full Bands Mobile Phone 4G/3G/2G + WiFi 2.4G/5GHz + GPS L1-L5 + Walkie-Talkie UHF/VHF
• Output Power: Total 42W, 1-3W per band
• Jam Radius: 2-40 meters
• Power Supply: AC 110V or 220V to DC12V
• Cooling System: High efficiency aluminum alloy radiator with built-in 5 cooling fans
• Working Time: Continuous operation
• Product Size: 460 × 238 × 60 mm (excluding antennas)
• Product Weight: Approximately 7.5 kg

• Full bands 18-channel design with customization for special frequency bands
• High output power up to 42W with jamming range up to 40m (dependent on signal strength in area)
• External omni-directional antennas covering all TX frequencies (downlink only)
• Compatible with car storage battery charger DC12V for vehicle use
• Built-in efficient cooling system for continuous operation
• Individual band adjustment or shutdown without affecting other bands
• 2-5 meter infrared remote control for power on/off operation

Note: Shielding radius of 2-40 meters at -75dBm. Actual performance depends on signal strength in given area. VHF/UHF signal shielding radius approximately 10 meters.

Ideal for meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, buses, and other locations requiring silence, confidentiality, and information security.

For sensitive locations such as hospitals and gas stations, please conduct field testing first to ensure no interference with normal equipment operation.

• Jammer Host × 1
• AC Adapter × 1
• Antenna × 18
• Car storage battery cable × 1