Portable signal jammers are a useful invention in the telecommunications industry because they offer a cost-effective solution to the problem of interference caused by cell phones and unlicensed communications. There are many types of this product, each offering a different level of protection against interference. The most popular type is a programmable device that can be programmed to block certain frequencies or waves of the electromagnetic spectrum. The programmable device is usually a small computer chip installed externally on the receiving or transmitting device, or a dedicated device such as an RFID reader or wireless card. Find more information about signal jammers here.
One of the key security issues of securing sensitive and confidential information from a wireless connection is preventing the accidental disclosure of such information. Programmable portable signal jammers can solve this problem by enabling the user to tune into a specific frequency that they wish to block. In the blocking process, the frequency used will be matched to that of the device interfering on the channel and will prevent the transmission of any confidential information. Such programs can also be programmed to allow for different levels of blocking based on the level of sensitivity of the information being protected. See page for more info about signal jammers.
The device itself may be analog or digital (analog capable), or it may contain some combination of these components. The key features include pre-programmed channels, which ensure that there are no free sites, as well as a robust encryption code. To operate this system, the user must have access to a network that will allow them to configure the required interface. A USB interface is typically used for this application.
Some portable signal jammers, such as the n-jam lp series, have been adapted so that they can also protect against UHF CB radio and TV signals. This is done via the use of an antenna that has been co-opted to produce an additional output in the presence of these frequencies. In the modular design, such a device is often combined with a station-locking device for the optimal effect. The modular design enables the system to be fitted to many different secure buildings, where one device can cover several different channels.
As with any electronic device, there are potential disadvantages associated with the use of such devices. Generally, these problems occur in two areas: interference and false alarms. In the case of interference, it is generally recommended that the person operating the jammer turn their equipment off if they intend to use it in a situation where there could be an issue with unwanted interference, otherwise the interference can create an issue when trying to use the hammer in the first place.
Likewise, false alarms can result from an improperly selected frequency band. In this case, the portable jammer will not work at all and maybe an unnecessary waste of funds. Some portable devices are designed with high power output and low sensitivity. This is often necessary for applications where there are no standard or accepted radio stations to use with the communication device. High-capacity battery power supplies may also be necessary for many applications, including applications that rely on mobile communications for security purposes. Get more details about mobile gammers at https://en.wikipedia.org/wiki/Mobile_phone_jammer.
