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Rectangular Cell Phone Jammers with Built-in Antennas

These mobile phone signal blockers are characterized by their rectangular, block-like design. This "brick" form factor provides a robust physical structure and a balanced internal layout—often featuring integrated internal antennas—resulting in a streamlined appearance that efficiently accommodates electronic components while maintaining a minimalist, practical design.

The brick-style design allows for convenient portability, placement, and operation across various environments, making it instantly recognizable among portable jammers talking in mobile.

Pocket size internal antenna GSM Jammer

SPY-8 - Rectangular 8 bands internal antenna GSM Jammer

Save $132.00 · 41%

The SPY-8 internal antenna eight-frequency Mini jammer blocks GSM, WiFi, GPS, and more within a 5m range but suffers from poor heat dissipation due to its outdated design, limiting effectiveness. It runs for 90 minutes and supports car and AC charging.

$322.09$190.09
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Important things

1.Please install the antenna before using the signal jammers

2.Most Portable cell phone jammers have dip switches on the side. After turning on the main power switch, activate the dip switch—the red or green light will indicate it's on. Each switch controls a specific signal (Refer to the frequency table on the packaging for details).

3.Avoid using the jammer while charging.

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