PJ-N21 Portable 21-Band Jammer

PJ-N21 Portable 21-Band Jammer – One Device, Total Signal Control
https://www.jammermfg.com/cell-phone-jammers.html
If you’re tired of dealing with unwanted signals everywhere, the PJ-N21 makes things simple. This all-in-one portable jammer covers 21 different bands, including 2G/3G/4G/5G, GPS, WiFi (even WiFi 6E), VHF/UHF and more — all packed into one solid, easy-to-carry unit. The built-in battery lasts long enough for real-world use, and each band can be switched on or off depending on what you actually need. Whether it’s for private meetings, controlled environments, or testing signal-free zones, PJ-N21 gives you practical, flexible signal blocking without unnecessary complexity.