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Which signal of 2G/3G/4G do I need to enhance?

2G for voice calling,3G/4G Internet signal for Data

There are many product types on the website,if you need any recommend,please tell us which signal you want to enhance.

And then we will help u ensure your frequency for 2G 3G and 4G,guide to purchase the most suitable amplifier.

Check here to check the frequncy.
Cynthia