what is the recommended output power?

First of all, it is important that you know what kind of jamming disruption you need to create around a certain area. For an all-around 360° view inhibition, you’d better opt for a signal jammer with omnidirectional antennas. 

Pro: Easy to install.
Con: if what you aim to achieve is a disruption in a specific spot, just ahead of you, almost half of the output power will be wasted to cover 180° range behind the point of interest.

On the other hand, if you need to blur frequency transmission towards a certain direction, you should opt for directional antennas.

Pro: the total power of the blocker will be concentrated and directed at a certain area.

Con: Bulky antennas and a more burdensome installation.

Once the typology of antennas has been chosen, what you have to focus on and never underestimate is the so-called signal strength.

Let’s just say that the stronger the cell phone signal in a location, the more the operating range of our device decreases. No jammer is free from imperfection, they all have their flaws.

Therefore, it is advisable to check beforehand the signal reception in the area where you decide to install the frequency blocker.

Only after having considered all of the above-mentioned factors, can you choose the most suitable signal blocker for your needs. Always keep in mind that the more the wattage, the more distance they will be able to cover.

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