155W/200W Desktop Type Signal Blocker for Universal GPS WiFi 3G 4G 5G with 20 Bands 50meter

Application area:
1. It can be applied at meeting rooms, conference rooms, museums, galleries, theaters, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, bus and more.
2. For some locations of special purpose such as hospitals, gas stations and more, please do field test first to make sure no interference happened to the normal operation of their equipment and instrument.

The ZD-SJD-20B-155W is a high-performance desktop type signal blocker designed for professional applications requiring comprehensive RF signal disruption across multiple frequency bands. This RF frequency jammer delivers a total output power of 155W, making it one of the most powerful fixed solutions available for secure facilities, government installations, and private enterprises. Its advanced modular architecture allows flexible configuration, with each of the 20 independent frequency bands operating at adjustable power levels—from maximum output down to complete shutdown 0W—ensuring precise control over jamming operations.
In summary, the ZD-SJD-20B-155W redefines expectations for a fixed jammer, merging industrial-grade power up to 10W per critical band with intelligent configurability. Its ability to disrupt 5G networks, GPS tracking, and remote-controlled devices positions it as a future-proof RF frequency  for counter-surveillance and security applications. Whether neutralizing unauthorized communications or safeguarding sensitive data, this long range jammer delivers uncompromising performance in a compact, user-friendly desktop form factor.

Specs: