This advanced handheld signal jammer effectively blocks CDMA/GSM/2G/3G/4G/5G, WiFi, GPS, and VHF/UHF signals within 5-20 meters. Featuring independent antenna switches, aluminum cooling shell, and car charger compatibility, it offers portable and reliable signal shielding for various environments.
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The Handheld Signal Shielding Device utilizes advanced patch components and integrated circuits to provide stable performance across multiple wireless communication standards. This high-tech product effectively disrupts various signals while ensuring no interference to surrounding electronic devices.
Key Features:
10 independent antenna switches for selective frequency control
Effective shielding radius: 5-20 meters
Aluminum shell with advanced oxidation treatment
Built-in cooling fan for optimal performance
2-3 hours battery life with car and AC charger support
Compact size: 165×97×45mm
Low power consumption, environmentally friendly
Frequency Coverage:
4G: 700/2300/2600MHz | 3G: 2000/2100MHz | 2G: 900/1800MHz
5G: 2600/3400/4800MHz | WiFi: 2400/5800MHz
GPS: 1200/1500MHz | VHF: 135MHz | UHF: 470MHz
CDMA: 800MHz | PHS: 1900MHz
Applications: Ideal for personal privacy protection, secure meetings, and any scenario requiring wireless signal control.
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