3 bands jammer or 4 bands jammer which is better?
Handheld jammers are popular with the hand, and they have several antenna designs, such as three and four. I need to buy a signal blocking device like this, which is better? Can you recommend a car for me?
Online sales of jammer device has multiple antenna design, three of the antenna and 4 is popular, do you want to buy such equipment is very good, here you can see a 2018's most popular 4 antenna jammer.
Yes, I also see the above recommendations, the golden shell of 4 antenna for better you use, the modelling of fashion and powerful function can satisfy your needs, from mobile phones and GPS signals.
According to your requirements, you can compare the products of two different antennas, one for three and one for four, which is what you need. 4 antenna cell phone blocker has been recommended, here ask you to show another 3 antenna gsm 3g jammer.