Due to the widespread popularity and application of 5G mobile phones in recent years, users who have a demand for smart jammer must also smart jammer  machines for all 5G mobile phones. As a manufacturer, customers often inquire about how to maintain and upgrade old smart jammer ? Try to reduce construction costs as much as possible. This idea is worth promoting and encouraging, as some old smart jammer can be upgraded to meet current needs.

Firstly, it is necessary to confirm the time period during which these old smart jammer were purchased, the model, and the manufacturer. If necessary, the original manufacturer should be contacted in a timely manner to inquire if the original model can be upgraded for space.

If the purchase date is four or five years ago, smart jammer  often do not have upgrade space, and most manufacturers only reserve the installation space required for upgrading modules in advance in the past two or three years. Once there is no upgrade space, you can also think of other methods. As long as the original shielding device can still work properly, it can at least maintain its original working performance, and should still be able to completely interfere with the 2G, 3G, and 4G signals in the mobile phone standard. It is possible to consider adding a shielding machine specifically designed for the 5G system next to the original equipment to compensate for the missing 5G frequency band.