24 emittenti di disturbo fisse di frequenza ultraelevata di VHF di GSM 3G 4G 5G WIFI GPS del telefono cellulare delle antenne

Video Description:
Discover the EST-602N8 Mobile Cell Phone Signal Jammer, featuring 8 omnidirectional antennas to block GSM, 3G, 4G, and WIFI signals within a 1-25 meter radius. Ideal for ensuring information security in high-confidentiality areas.