WIFI 2G~3G~4G~5G~GPS Network Cellphone 450 700 850 900 1700 1800 2100 Mobile Phone Signal-Blocker-Jam-mer 2022

Features:

1. Pocket-sized and portable design with the cooling fan.

2. ON/OFF switch make it more user-friendly

3. Cooling fan inside, Rechargeable battery, and car charger

4. Eight channels with different frequency range,

Or customize other cellular standards in the world.

Such as 450MHz, GPRS, iDEN, GPS, UMTS, WiFi, AWS, 4G.

5. Multiple bands, Can adjust ON or turn off any single band without influencing the other band's operation

You can select these frequencies:

CDMA/GSM, DCS/PCS, 3G, 4G LTE/WiMAX, WIFI 2.4G, GPS, LOJACK