This 12-channel handheld signal shielding device effectively blocks 2G/3G/4G/5G mobile signals, WiFi, and GPS within a 5-20 meter range. Featuring individual channel control switches, aluminum cooling shell, and car charger compatibility, it offers portable and reliable signal jamming for various environments.
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The 12-channel Handheld Signal Shielding Device represents advanced jamming technology, designed to meet evolving international wireless communication standards. This high-performance portable device effectively disrupts all major cellular networks (2G-5G), WiFi signals (2.4GHz/5.2GHz/5.8GHz), and GPS tracking within a 5-20 meter radius while ensuring no interference to other electronic devices.
Key Features:
12 independent frequency channels with individual on/off switches
Effective shielding radius: 5-20 meters
Aluminum shell with advanced oxidation treatment and cooling fan
LED indicators for power and channel status
Car charger included for vehicle use
2-5 hours battery life after full charge
Low power consumption, environmentally friendly
Frequency Coverage:
5G: 3400MHz | 4G: 700/2300/2600MHz | 3G: 2100MHz | 2G: 900/1800MHz
CDMA: 800MHz | WiFi: 2400/5200/5800MHz | GPS: 1500MHz | PHS: 1900MHz
Applications: Perfect for meetings, examinations, government facilities, and any scenario requiring communication silence and privacy protection.
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