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DTSTART;VALUE=DATE:20250329T000000DTEND;VALUE=DATE:20250329T000000DTSTAMP:20250329T074945ZUID:cotosaga.com/event/1671223CLASS:PUBLIC
CREATED:20250329T074945ZDESCRIPTION:How to build an efficient signal blockerLAST-MODIFIED:20250329T074945ZLOCATION:SEQUENCE:0
SUMMARY:How to build an efficient signal blockerTRANSP:OPAQUE
URL:http://18.179.212.46/event/1671223DESCRIPTION:Recommended high-efficiency signal blocker products<br />
1. CM4 Box portable GSM/GPS jammer<br />
<a href='https://www.thejammerblocker.com/buy-cm4-box-portable-jammer-for-gsm-gps-locator/' target='_blank'>https://www.thejammerblocker.com/buy-cm4-box-portable-jammer-for-gsm-gps-locator/</a><br />
CM4 is designed to block GSM communications and GPS positioning signals. Its features include:<br />
- Coverage frequency: GPS L1 (1575MHz), GSM 850/900/1800/1900MHz<br />
- Interference range: 5-15 meters (depending on the environment)<br />
- Built-in rechargeable lithium battery, 2-4 hours of battery life<br />
- Lightweight and portable design (12×8×3cm), suitable for carrying around<br />
- One-button operation, simple and easy to use<br />
<br />
2. G9-Pro Compact USB GSM/GPS Jammer<br />
<a href='https://www.thejammerblocker.com/g9-pro-compact-usb-gsm-gps-jammer-plug-and-play/' target='_blank'>https://www.thejammerblocker.com/g9-pro-compact-usb-gsm-gps-jammer-plug-and-play/</a><br />
G9-Pro stands out with its unique USB interface design:<br />
- Plug and play design, powered by USB port<br />
- Covers GSM 2G/3G/4G and GPS L1 bands<br />
- Compact size (8×5×2cm), easy to hide<br />
- No built-in battery, relies on external power supply, suitable for vehicle or fixed use<br />
- Low power consumption design, low heat generation during operation<br />
<br />
3. P-US-F5 Ultrasonic Recording Jammer<br />
<a href='https://www.thejammerblocker.com/p-us-f5-ultrasonic-recorder-jammer-mobile-power-bank/' target='_blank'>https://www.thejammerblocker.com/p-us-f5-ultrasonic-recorder-jammer-mobile-power-bank/</a><br />
- Emits 20-24KHz ultrasonic waves <br />
- Disguised as a mobile power bank, highly concealed<br />
- 10000mAh large-capacity battery, also used as a power bank<br />
- Does not affect normal calls, only targets recording devices<br />
- Effective range 3-8 meters<br />
<br />
4. D-004 200W vehicle-mounted FPV drone signal blocker<br />
<a href='https://www.thejammerblocker.com/d-004-200w-4-bands-vehicle-fpv-drone-signal-blocker/' target='_blank'>https://www.thejammerblocker.com/d-004-200w-4-bands-vehicle-fpv-drone-signal-blocker/</a><br />
D-004 is a high-power professional-grade blocker:<br />
- 200W high power output, interference range can reach 300-500 meters<br />
- Covers 2.4GHz/5.8GHz WiFi and FPV drone control bands<br />
- Designed for vehicle-mounted use, supports 12/24V power input<br />
- Four-antenna system, full coverage<br />
- Metal casing, excellent heat dissipation performance<br />
<br />
<a href='https://www.thejammerblocker.com/a-tag-smart-apple-air-tag-tracker-mfi-certified-anti-lost-locator/' target='_blank'>https://www.thejammerblocker.com/a-tag-smart-apple-air-tag-tracker-mfi-certified-anti-lost-locator/</a>END:VEVENT
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