Portable 3G 4G signal block jammer
3G is the symbol of 3G mobile communication technology, which is the cellular mobile communication technology that supports high-speed data transmission. The 3G service can transmit sound and data at the same time, with a rate of over several hundred KBPS. At present, 3G has three standards: CDMA2000, WCDMA and TD-SCDMA.Itu has identified three wireless interface standards, namely the us CDMA2000, Europe WCDMA and China TD-SCDMA. There are 538 WCDMA carriers in 246 countries and regions opened the WCDMA network, 3 g commercial market share of over 80%, and WCDMA downward compatible GSM network has covered 184 countries, all over the world, WCDMA users has more than 600 million.
Mobile phones do not receive signals from base stations. A powerful built-in battery is installed. By using the device, mobile phone users cannot make/receive calls and receive messages. Can block 3G, GSM, CDMA and other signals. If a portable jammer has more than one antenna, the jamming signal becomes stronger. There are several antennas. It plays an important role. Protect your personal life and career.
4G refers to the fourth-generation mobile communication technology, which integrates 3G and WLAN, and can transmit data, high quality, audio, video and image rapidly. 4G can be downloaded at speeds of up to 100Mbps, 25 times faster than current home broadband ADSL (4 MB) and can meet almost all users' demands for wireless services. In addition, 4G can be deployed in areas where DSL and cable modems are not covered, and then spread across the region.
Yes, 3g and 4g are still the mainstream of mobile phone signals in the market, before 5g has started to be used and popularized. They will still occupy most of the market for some time to come.The portability of mobile phones determines the portability of portable 3g 4g blockers to a certain extent. Blocking mobile phone 3g 4g signals will prevent the use of mobile phones. If you want to ban mobile phones at home or anywhere else, you can buy a cell phone jammer to help you.
High Power Desktop GSM 3G 4G Jammer Block Phone Signal GPS WiFi Lojack
As a super cost-effective desktop signal jammer, it has a powerful output power, shielding signal frequency range, including GSM 3G 4G WiFi GPS and other common signal types. The radius of interference can reach up to 30 meters, covering a wide area, and good heat dissipation design allows it to work long hours to provide you with privacy protection.It applies to places where you need to ban mobile phones, GPS trackers, wireless signals, schools, prisons, courts, churches, offices, and gas stations.
$380.89$799.65