There are two kinds WIFI signal frequencys: 2.4GHz and 5.0GHz.
- 2.4GHz(2400-2483.50MHz) is mainly used for entry-level consumer electronics;
- 5.0GHz is for applications which is requiring more stable, higher transmission rates such as high-definition transmission and large data transmission;
- In order to increase the adaptability and stability of wifi transmission, most of the routers are built into dual-band wifi to support 2.4GHz and 5.0GHz simultaneously;
Now let us analyze the top popular routers from Amazon and Aliexpress!
|NETGEAR Nighthawk AC1750 Router||TP-Link N450 Wireless Wi-Fi Router||ASUS RT-ACRH13 Dual-Band Router||Xiaomi WIFI Router 3 English Version||Tenda N630 300Mbps Wireless WiFi Router||D-LINK WIFI Dir-823 Router|
|get two options of 2.4ghz or 5ghz connection||up to 450Mbps over 2.4GHz||speed in both 2.4ghz and 5ghz frequencies||2.4GHz and 5GHz dual frequency||Frequency range single frequency (2.4GHz)||Wi-Fi Supported Frequency: 2.4G & 5G|
Draw the following conclusions from the table data above:
1. All routers use of 2.4G WIFI frequency by default;
2. 66.7% of the routers can gradually use 5G;
3. So before you buy a WIFI jammer, you should check what WIFI signal you are using in the environment;
1. In fact, most of the customers want buy 2.4G WiFi jammer: 2.4G is the most popular WiFi signal, even if you buy a 5G router, in fact, generally you will only open the 2.4G switch, because this is the most simple thing! Then this hidden and portable jammer with low price is a good choice !
2. Of course, if you still need to block both 2.4G and 2.5G frequencys, then you may choose this desktop jammer ! My God, why so expensive? Because the 5G blocking module is very expensive!
3. In fact, most of the application environment, you do not just want to jam the WIFI signal only!
(1) School Classroom: prevent your students from playing games and FACEBOOK with 4G and WiFi;
(2) Cinema: prevent bad guys from recording and uploading movies in real time;
(3) Home: prevent your son or daughter playing mobile phone secretly;
This time, you must control the 2G 3G 4G + WIFI all to unblock phones internet and wifi network!