27 Antennas Portable Signal Blocker for Mobile Phones GPS WiFi 2G 3G 4G 5G RF Jammer

The 27 antennas multifunctional portable Signal Jammer is designed to block all common communication frequencies including 2G, 3G, 4G, 5G networks, GPS tracking, WiFi signals, UHF/VHF bands, RF frequencies and LOJACK systems. This comprehensive frequency coverage makes it suitable for various security and privacy protection applications.

Featuring a compact handheld design with built-in cooling system, this jammer offers excellent portability and continuous operation capability. The device comes with 27 independent antennas covering different frequency bands, allowing for selective jamming of specific signals while maintaining other communications.

The advanced cooling system with 3 high-speed fans and large aluminum alloy heat sink ensures stable performance even during prolonged use. The built-in 15000mAh rechargeable battery provides over 90 minutes of continuous operation, while the power display shows real-time working status including battery percentage and voltage.

With adjustable DIP switches, users can easily enable or disable specific frequency bands according to their requirements. The shielding radius of 10-25 meters (depending on local signal strength) makes it effective for most indoor applications while maintaining compact portability.