In order to avoid being interrupted by the sudden ringing of mobile phones during the meeting, or to allow participants to concentrate on listening to the meeting content, and to prevent the meeting content from being leaked, using a conference room signal jammer is a very wise choice.

Conference room signal jammers suitable for use in small conference rooms. Currently, the market for conference room signal jammers is mainly divided into built-in antennas and external antennas. So, should you choose a conference room signal jammer with built-in antennas or external antennas? Antenna.

For conference rooms with a relatively small area, you can choose a conference room signal shielding device with an external antenna. This kind of external antenna shielding device is often relatively cheap and relatively economical. Let’s not talk about quality and workmanship for now. Some conference room signal jammers with external antennas even have antennas of different lengths. This will definitely affect the overall aesthetics of the conference room environment. Moreover, the cooling fan of the conference room cell phone blocker is If it is exposed to the outside, there will definitely be noise, which will affect the order of the meeting room.

If you choose a conference room signal jammer with a built-in antenna, the antenna cannot be seen from the outside of the shielding device. The antenna is not exposed, and the built-in antenna is also a kind of protection for the antenna. If the conference room signal shielding device with an external antenna needs to be transferred and used, if the antenna is accidentally bumped during the transfer process, the antenna can easily be knocked off. In this way, the machine can no longer be used and needs to be returned to the factory for repair. If you continue to use it, the radio frequency module inside the conference room signal jammer will burn out. If the conference room signal shielding device with built-in antenna needs to be moved, it is very convenient. You can directly grasp the groove handle on the back of the device. It is simple and convenient. Even if there is a slight bump, the internal antenna will not fall off, which can ensure the conference room signal shielding. normal use of the instrument.

To sum up, when purchasing a conference room signal jammer, it is recommended to choose a jammer with a built-in antenna.