Introducing the MOP-SJD-20B-155W: A New Benchmark in RF Signal Denial
nnIn an era where wireless communications are ubiquitous, ensuring information security and operational privacy has become paramount. The MOP-SJD-20B-155W emerges as a premier solution, a high-performance desktop type signal blocker engineered for professional applications that demand comprehensive RF signal disruption across multiple frequency bands. This advanced RF frequency jammer is not merely a tool; it is a critical component of modern security infrastructure, delivering a formidable total output power of 155W. This positions it as one of the most powerful fixed jammer solutions available for secure facilities, government installations, private enterprises, and any environment where unauthorized signal transmission must be neutralized.nnIts sophisticated modular architecture allows for unparalleled flexibility. Each of its 20 independent frequency bands operates at fully adjustable power levels—from maximum output down to a complete shutdown at 0W—offering precise, granular control over jamming operations. As a long range jammer, the device effectively neutralizes signals within a 20 to 60-meter radius under standard conditions (-75dBm sensitivity), ensuring reliable coverage in diverse spaces like conference rooms, open-plan offices, and restricted zones.nn
Versatile Application Areas and Strategic Deployment
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Primary Application Zones
nnThe desktop type signal blocker is designed for straightforward deployment in critical environments where signal control is essential. Its primary application areas include:nn- Corporate and Government: Meeting rooms, conference rooms, and executive offices where confidential discussions occur.n- Public and Event Venues: Museums, galleries, theaters, concert halls, and places of worship (churches, temples) where silent or disruption-free environments are desired.n- Education and Training: Classrooms, training centers, and examination halls to prevent cheating or distraction.n- Industrial and Financial: Factories, banks, and trading floors where sensitive data or operations must be shielded.n- Transportation: Train cars and buses to enforce device-free zones or prevent surveillance.nn
Special-Purpose Locations and Important Precaution
nnFor some locations of special purpose such as hospitals, gas stations, and more, it is crucial to conduct a field test first. This ensures no interference occurs with the normal operation of critical equipment and sensitive instrumentation. The fixed jammer’s adjustable power per band is a key advantage in such scenarios, allowing operators to minimize disruption while still achieving their security goals.nn
Technical Architecture and Frequency Coverage of This RF Frequency Jammer
nnThe core strength of this long range jammer lies in its comprehensive frequency coverage. It supports a wide spectrum, including 4G LTE (720-805MHz, 2300-2700MHz), 5G (617-652MHz), 3G/UMTS (2100-2170MHz), Wi-Fi (2.4GHz & 5.1-5.9GHz), GPS (L1/L2/L5, 1570-1620MHz & 1220-1280MHz), and critical tracking/remote control bands (315MHz, 433MHz, 868MHz, 173MHz, 400-480MHz, 1700-1800MHz). This versatility ensures disruption of mobile communications, drone navigation, IoT devices, and unauthorized surveillance systems, making it a future-proof RF frequency jammer for counter-surveillance.nn
Detailed Specifications for the Desktop Type Signal Blocker
nnAll technical data and parameters for the MOP-SJD-20B-155W are presented in the table below. This fixed jammer is engineered for precise, high-demand operations, and its specifications reflect that design philosophy.nn
| Feature / Parameter | Specifications / Details |
|---|---|
| Model | MOP-SJD-20B-155W |
| Type | Desktop Type Signal Blocker / Fixed Jammer |
| Total Output Power | 155W |
| Number of Bands | 20 (Independent, Modular) |
| Frequency Band 1 (x2) | 720-805MHz: 2 x 5W (4G LTE USA – AT&T & Verizon) |
| Frequency Band 2 (x2) | 850-895MHz: 2 x 5W (CDMA 850) |
| Frequency Band 3 (x2) | 1800-1990MHz: 2 x 5W (DCS, PCS) |
| Frequency Band 4 (x2) | 2100-2170MHz: 2 x 5W (3G, UMTS) |
| Frequency Band 5 (x2) | 2300-2500MHz: 2 x 5W (4G LTE + WiFi 11.b & g) |
| Frequency Band 6 (x2) | 2500-2700MHz: 2 x 5W (4G WiMAX Sprint) |
| Frequency Band 7 | 1570-1620MHz: 10W (GPS L1 + Glonass L1) |
| Frequency Band 8 | 617-652MHz: 10W (5G) |
| Frequency Band 9 | 173MHz: 10W (Lojack Car Tracking) |
| Frequency Band 10 | 5.1-5.9GHz: 5W (WiFi 11.a) |
| Frequency Band 11 | 1220-1280MHz: 10W (GPS L2 + L5 + Glonass L2) |
| Frequency Band 12 | 315MHz: 10W (Car Remote) |
| Frequency Band 13 | 433MHz: 10W (Car Remote) |
| Frequency Band 14 | 868MHz: 10W (Car Remote) |
| Frequency Band 15 | 400-480MHz: 10W (UHF Remote Control) |
| Frequency Band 16 | 1700-1800MHz: 10W (Remote Control) |
| Power Adjustment | Per Band: Max Power to 0W (OFF) |
| Remote Control | Infrared, 2-5m Range (Turn ON/OFF, Power Adjust) |
| Optional Control | Remote/Alarm Control (315MHz, 433MHz, 868MHz) |
| Power Supply | AC 100-240V or DC 24V |
| Jamming Range (Radius) | 20-60 meters (@-75dBm, Omnidirectional Antennas) |
| Antenna Type | 380mm Omnidirectional |
| Weight | 6.2 kg |
| Dimensions (L x W x H) | 440 x 250 x 120 mm |
| Working Time | Unlimited (Continuous Operation) |
| Warranty | 1 Year |
| Indicators | Adjustable LED per Band/Channel (Real-time Status) |
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Operational Flexibility and Modular Design
nnEach module and band operates independently, allowing users to mix frequencies based on mission-specific requirements. This is a critical feature for countering evolving wireless threats. The RF frequency jammer features a rugged industrial design, optimized for stationary deployment as a fixed jammer. The inclusion of an infrared remote control (2-5m range) enables convenient ON/OFF toggling and power adjustments per band, enhancing operational flexibility without needing physical access to the device.nn
Conclusion: The Definitive Long Range Jammer for Modern Security
nnIn summary, the MOP-SJD-20B-155W redefines expectations for a fixed jammer. It merges industrial-grade power—up to 10W per critical band—with intelligent configurability. Its ability to disrupt 5G networks, GPS tracking, drone navigation, and remote-controlled devices positions it as a future-proof RF frequency jammer for counter-surveillance and security applications. Whether neutralizing unauthorized communications in a boardroom or safeguarding sensitive data in a government facility, this desktop type signal blocker delivers uncompromising performance. It combines brute-force power with granular control in a compact, user-friendly form, setting a new benchmark for RF denial systems. For professionals who demand reliability, power, and precision, this long range jammer is the definitive choice.
