The Difference Between Handheld GPS Signal Jammer and Plug-in GPS Signal Jammer
GPS signal blocker is a special electronic instrument used to block GPS positioning and tracking of automobiles. It is divided into handheld and electrified.
1. Handheld GPS signal jammer
This kind of shield is characterized by small size, rechargeable, easy to carry, and can work independently for several hours after charging. The pure GPS signal blocker has only 2 antennas, which only blocks the GPS signal. There are also products with 6 or 8 antennas, which can block the mobile phone signal in addition to the GPS signal.
For this type of product, in addition to being used in the car, it can also be carried in your pocket, and shielded mobile phone signals can be turned on in some private occasions.
2. Power-on GPS signal jammer
This type of shield is very large and cannot be charged without its own battery. It must be connected to an external power supply to work. It can be connected to 220V power supply, or can be directly powered on the car through the adapter.
This type of shield has 8 antennas, 9 antennas, 10 antennas and other products, which can shield GPS signals and mobile phone signals WIFI signals at the same time, and the shielding effect is better. The disadvantage is that it takes up a lot of space and must be powered on continuously.
