Will the bank network signal be blocked during the college entrance examination?

Can a wifi jammer block 5G signals? The answer is of course yes. For the early traditional wifi jammer device, as long as the frequency band of the signal jammer is increased, the 5G signal can be successfully blocked. Is there any wifi frequency jammer on the market that can block the 5G signal? What? The answer is yes! With the advent of the 5G era, the shielding device is constantly being updated.