High Power 22W Cell Phone Signal Jammer Built In Directional Antenna
Signal Jammer Introduction:
This Built in Antenna High Power 4G Mobile Phone Jammer introducing here is a jammer device that designed with high power and inside antennas. This is a 22W high power jammer which can cut off the signals of the newly 3G 4G mobile phone signal and the normal 2G phone signals as CDMA, GSM, DCS, and PCS as well.
In total this 22W high power jammer can block 8 frequency bands.
And since designed with 22W high power and using the outer detachable power supply the jamming range is up to 30 meters depending on the signal strength in the given area.
Thus this jammer device can work continuously with nonstop working.
This jammer is wonderful gadget ,and good cooling fan inside and stable capability make it more attractive.
And as owning such excellent characteristics this 3G 4G mobile phone signal jammer now is suitable to be used in places like the library, church, meeting room, classroom and so many other places where need quiet condition.
Besides it can also be used in places where mobile phones are prohibited to be used like the military, prison, government department and so on, really owns wide application areas.
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Signal Jammer Applications:
For prison, military,museums, galleries, theatres, concert halls and churches, car, bus, meeting rooms, conference rooms,
Signal Jammer Features:
1). 22 Watts output power in total.
2). Block all cell phone signal, WiFi and GPS at the same time.
3). Inside cooling fans and heat sink design ensure the device to work continuously.
4). Jamming 10-60 meters depending on local signal strength
5). User-friendly ON/OFF switch make it use more helpful.
6). With good-looking appearance
7). With built-in directional antennas
8). Can customize other cellular standard in the world.
Such as Walkie Talkie,450MHz,GPRS,iDEN,GPS, Galileo,Compass,Glonass,UMTS,WiFi,AWS,LTE 4G.
Signal Jammer Data Sheet:
| Output port | Frequency | Output Power |
| CDMA800 | 851-894 MHz | 35dBm |
| LTE700 | 725-770 MHz | 35dBm |
| GSM900 | 925-960 MHz | 35dBm |
| LTE800 | 791-821 MHz | 35dBm |
| DCS1800 | 1805-1880 MHz | 35dBm |
| PCS1900 | 1920-1990 MHZ | 35dBm |
| 3G2100 | 2110-2170 MHz | 33dBm |
| GPSL1 | 1570-1580 MHz | 33dBm |
| WIFI2.4G | 2400-2500 MHZ | 33dBm |
| LTE2600 | 2620-2690MHZ | 33dBm |
| LTE2500(Option) | 2500-2700 MHZ | 33dBm |
| Power supply: AC adapter (AC220V-DC19V) | ||
| The frequencies can be customized as the specific requirement | ||
| Semidiameter of interception:10-60m (depend on the signal strength and environment condition) | ||
| RF output power :22 Watts Gross weight: 3.6KG | ||
| Size:350X278X98mm Working Hours:continuous | ||
| Humidity: 30%-95% Running Temperature: -20 to +55 Celsius Degree | ||
• Scenario 1: Luxury hotel or executive lobby mobile-denial installation
In luxury hotels, executive lobbies or reception areas, maintaining a high-end design aesthetic is critical while also controlling mobile communications for privacy, confidentiality or regulatory compliance. Deploying the Antenna Integration High-Power 4G Mobile Phone Signal Jammer as Artwork allows the security or facility team to install a wall-mounted panel in the lobby or VIP lounge that discreetly denies mobile phone traffic within the area. Guests may not notice the hardware, but mobile phones inside the zone will lose 4G connectivity. The artwork-style installation preserves the ambience, aligns with interior design, and gives the facility control over mobile usage without visible deterrence. This is ideal for spaces hosting government delegations, corporate board meetings or confidential client interactions.
• Scenario 2: Boardroom or executive meeting space privacy control
Executive boardrooms, high-level negotiation rooms or secure client interview suites often require communication denial to prevent leaking, eavesdropping or mobile data transmissions. The jammer installed as an art piece or ceiling panel provides mobile phone denial for 4G signals while being visually neutral. Participants in the room may find their mobile connectivity disabled or degraded, ensuring the space is isolated from external mobile networks. Facility managers can activate the system for scheduled sessions, conceal control behind design elements, and ensure that communications channels are locked down without disrupting the professional aesthetics of the meeting environment.
• Scenario 3: High-profile event venue or gallery requiring mobile-denial coverage
Events hosted in upscale venues, art galleries, corporate showcases, or VIP gatherings may require mobile network control—either to enforce privacy, restrict data streaming, or mitigate drone reconnaissance via mobile tethering. The art-style jammer system can be installed in event rooms, corridors or waiting areas as a decorative installation. As guests move through the venue, the integrated jammer denies 4G mobile traffic discreetly. Since the installation looks like décor, the ambience remains unaffected while event organisers gain the ability to control mobile communications in real time. The system supports temporary or permanent setups, making it ideal for one-off high-profile events or recurring luxury functions.
• Scenario 4: Secure facility, government complex or private club mobile-denial zone
Certain facilities—private clubs, government buildings, executive residences—require mobile network suppression in specific zones for confidentiality, regulatory compliance or asset protection. Installing this jammer as an artwork panel or discreet wall fixture allows facility management to impose mobile phone signal denial in designated zones (executive suites, briefing rooms, safe zones) without visible security hardware. The high-power 4G suppression ensures any mobile device entering the zone loses connectivity, while the integration into décor maintains the facility’s high-end appearance. Control can be scheduled or remotely managed, giving security teams full operational flexibility. This scenario highlights the device’s dual role: advanced mobile-denial performance and refined installation design for sensitive spaces.
Shenzhen Greetwin Technology Co., Limited is a national high-tech enterprise founded in 2016, specialising in the research, development, design and production of radio-frequency sensing, jamming equipment and wireless communication coverage systems. The company focuses on low-altitude security and control solutions—including drone detection, identification, positioning, tracking and counter-UAV operations—and combines that with excellence in wireless network coverage hardware such as 2G/3G/4G/5G repeaters and signal boosters. Greetwin’s product portfolio spans drone jammers and UAV counter-systems, mobile phone signal jammers, handheld and portable jamming systems, vehicle-mounted platforms, fixed installations, RF repeater and booster solutions for telecom operators. With OEM/ODM customisation services, clients can adapt output power, frequency bands, antenna types and form-factors to their mission or regulatory requirements. The company’s export footprint covers more than 60 countries across Southeast Asia, Africa, Europe, South America and the Middle East, serving government agencies, military units, law-enforcement bodies, telecom operators and private industrial and high-security clients. Greetwin is committed to delivering professional, reliable, high-performance solutions that operate in demanding environments and support evolving RF threat and coverage landscapes. By combining deep expertise in RF jamming, spectrum analysis and wireless coverage deployment, the company positions itself as a full-spectrum partner for organisations working in communications resilience, air-space defence and mobile-network security.
Q1: What mobile network types does this jammer affect?
A: This device is engineered to suppress 4G mobile phone signals—including voice, SMS and data—via integrated antenna architecture.
Q2: Is the installation discreet?
A: Yes, the system is designed as an artwork-style panel or decorative fixture to conceal its jamming function and blend into premium installation environments.
Q3: Can the unit be integrated with building systems?
A: Yes, it supports integration into facility management, building automation or security command systems for scheduled activation and remote control.
Q4: What kind of area coverage can it provide?
A: Coverage depends on installation environment, antenna placement and local signal strength. It is optimized for indoor or semi-open spaces where the integrated antennas can propagate suppression across the designated zone.
Q5: Is this suitable for permanent or temporary installations?
A: Yes — it supports both permanent fixture installations (boardrooms, lobbies, secure zones) and temporary event setups demanding discreet mobile-denial capability.
