In order not to be interrupted by the sudden ringing of the mobile phone during the meeting, or for the participants to concentrate on listening to the content of the meeting, and to prevent the content of the meeting from being leaked, it is a very wise choice to use a mobile phone signal blocker in the conference room.
The conference room cell phone signal jammer suitable for use in a small conference room. At present, the market of conference room cell phone signal jammers is mainly divided into built-in antenna and external antenna. Then the conference room cell phone signal jammer chooses the built-in antenna. or an external antenna.
A conference room with a relatively small area is a conference room mobile phone signal shielding device that can choose an external antenna. This kind of shielding device with an external antenna is often cheaper and relatively economical. Let's not talk about the quality and craftsmanship for the time being. The antennas of some conference room cell phone signal jammers with external antennas are even of different lengths, which will definitely affect the overall aesthetics of the conference room environment, and the heat dissipation of some conference room cell phone signal jammers The fan is exposed outside. With the rotation of the cooling fan, some noise will also be generated. The noise will seriously affect the order of the meeting room in the conference room. If the meeting time is within an hour, the cooling fan can be disconnected, so that the conference room phone The signal jammer will not generate noise when it is turned on. If the meeting time exceeds one hour, it is recommended to use a low-noise conference room mobile phone signal jammer.
When choosing a conference room mobile phone signal jammer with built-in antenna, the antenna is completely invisible from the outside of the shielding device, so that the antenna is not exposed, and the antenna is built-in, which is also a kind of protection for the antenna, which can avoid the inconvenience during the transfer process. Be careful to bump into the antenna, it is easy to knock the antenna off, so the machine can no longer be used and needs to be returned to the factory for repair. Continued use will cause the radio frequency module inside the conference room cell phone signal jammer to burn out. If the mobile phone signal shielding device with built-in antenna needs to be transferred, it is very convenient. You can directly grab the groove handle on the back of the machine, which is simple and convenient. Even if there is a slight bump, the internal antenna will not fall off, which can ensure the mobile phone Normal use of signal jammers.
In summary, when purchasing a conference room mobile phone signal shielding device, it is recommended to choose a shielding device with a built-in antenna.