The effective shielding radius of cell phone jammer can be tested

Tektronix NetTek Analyzer is a portable multi-functional production of analyzers, mainly in the following functions: spectrum analysis, interference analysis and positioning, the base station transmitter indicator test, Antenna test. NetTek spectrum analyzer installation and interference analysis option, the use of battery-powered (lithium grams of test per four hours), suitable for field operations. Can display the spectrum over time, to long-term monitoring of the RF environment is the discovery of interference, interference with a good qualitative and interfere with positioning means, while analysis of intermittent interference. The company has developed the special cell phone jammer  system specific to the examination room.
GSM mobile communication technology in China's rapid development, has developed a very advanced stage, in the actual network optimization work, found that the GSM system the uplink interference by network optimization has become an important issue can not be ignored. Uplink interference causes the system to drop rate increase, reducing the coverage of base stations to reduce call quality, the network and user call quality indicators have been seriously affected. Wireless systems generally focus on their own problems in the antenna device, the base station receive path on the issue, since the base station sub-system problems caused by the following rules of high uplink interference: INTERFERENCE BAND statistics change with traffic, traffic is high, INTERFERENCE BAND also will be increased, decreased traffic late into the night after, INTERFERENCE BAND statistics back to normal. The effective shielding radius of cell phone jammer can be tested.
Generally speaking, such a law, we must first consider the problem of the wireless subsystem. The most common existing problem is the repeater uplink interference caused by uplink interference, especially those users to install the "illegal repeater", due to low prices, variety of device performance is not good, the uplink interference caused by strong problem. Repeater interference due to spatial white noise and the noise of their own repeater after amplification, with cell phone signals via uplink with the base station receiver to reach the uplink interference caused to the base station. In general the formal installation of the repeater when the repeater manufacturers take this into consideration, to the bottom of the repeater uplink noise level (uplink noise floor) to adjust, and select the appropriate donor community, in order to reduce interference on the uplink base station system . For the normal minor and mid-sized meeting room, it is easier to select the position of   cell phone jammer and the needed position is less.