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signal jammers

How to Choose the Right Jammer and Protect Your Privacy

In today’s digital age, protecting your privacy is more crucial than ever. With the proliferation of surveillance devices, GPS locators, and cellular frequency microphones (bugs), it has become essential to find effective ways to safeguard your personal and professional spaces. Jammers offer a reliable solution by blocking unwanted signals, ensuring your privacy remains intact.

Factors to Consider When Choosing a Jammer

When selecting a signal jammer, it’s essential to consider several factors to ensure you choose the right device for your needs.

Frequencies to Block

Different devices operate on various frequencies. Before purchasing a jammer, identify the specific frequencies you need to block. This could include GPS, cellular signals, Wi-Fi, or other radio frequencies.

Output Power of the Device

The output power of the jammer is crucial in determining its effectiveness. Higher output power means a broader range of signal disruption. Assess your needs and choose a device with appropriate output power.

Required Jammer Output Power

Consider the strength of the signals you want to jam. Devices with higher output power can block stronger signals over a wider area, making them more effective in various scenarios.

Coverage Distance

The range or distance that the jammer can cover is another critical factor. Determine the area you need to secure and ensure the jammer’s range is sufficient to cover that space.

Power Source: Battery vs. Direct Current

Jammers can be powered by batteries or direct current (DC). Battery-powered jammers offer portability, while DC-powered jammers provide continuous operation. Choose based on your specific needs.

Operation Time and Cooling System

Consider how long you need the jammer to operate. For extended use, ensure the jammer has an efficient cooling system to prevent overheating and maintain performance.

Understanding Frequencies and Devices

Common Frequencies for GPS Locators and Cellular Microphones

GPS locators and cellular frequency microphones typically operate on specific bands. Understanding these frequencies helps in selecting the right jammer.

Specific Devices and Their Frequencies

Identify the devices you want to block and their operating frequencies. This knowledge ensures you choose a jammer capable of effectively disrupting those signals.

Output Power: What You Need to Know

Low vs. High Output Power Jammers

Low output power jammers are suitable for small areas, while high output power jammers are ideal for larger spaces or stronger signals. Evaluate your needs to select the appropriate output power.

Impact on Range and Effectiveness

Higher output power increases the jammer’s range and effectiveness, but it may also increase the device’s size and power consumption. Balance your requirements with these considerations.

Distance and Coverage

Determining the Coverage Area

Measure the area you need to secure to ensure the jammer’s range is adequate. Larger areas require jammers with extended coverage capabilities.

Factors Affecting Jammer Range

Obstacles, signal strength, and environmental factors can impact the jammer’s range. Consider these elements when choosing a jammer to ensure it meets your needs.

Power Source Considerations

Pros and Cons of Battery-Powered Jammers

Battery-powered jammers are portable and convenient but may require frequent recharging. They are ideal for temporary use or mobile applications.

Benefits of Direct Current Jammers

DC-powered jammers offer continuous operation without the need for recharging, making them suitable for permanent installations or extended use.

Operational Time and Cooling Systems

Importance of Cooling Systems in Prolonged Use

For jammers used over long periods, an efficient cooling system is essential to prevent overheating and maintain optimal performance.

Types of Cooling Systems

Active cooling systems, such as fans, and passive cooling systems, like heat sinks, help dissipate heat and ensure the jammer functions effectively over extended periods.

Safeguarding Against GPS Locators

How GPS Locators Work

GPS locators use satellite signals to determine location. By jamming these signals, you can prevent devices from accurately tracking your position.

Effective Jamming Techniques for GPS

Choose a jammer that targets GPS frequencies to effectively block locators. Ensure the jammer’s range covers the area where the GPS device might be used.

If you want to secure your car, you only need a mobile phone signal jammer that can block cellular frequencies and GPS within a 5-15 meter range. We recommend the portable 10 bands jammer P-US-010-1.

Regarding LoJack locating systems, the P-US-08-4 includes LoJack frequencies but cannot jam them because LoJack transmitters have much higher output power than portable jammers. The solution is a desktop jammer like the Jammer T-US-06-5, which can be used in a car. These powerful devices can disrupt a 3W LoJack transmitter using a UHF band radio with an output power of 20W, covering over 100 meters.

Protecting Your Car from Bugs and Micro-Cameras

Bugs and micro-cameras can be hidden in vehicles for surveillance. Identifying these devices is the first step in protecting your car.

Use a jammer that can block the frequencies used by bugs and cameras. Ensure the jammer’s range covers the entire vehicle for maximum protection.

Typically, bugs and micro-cameras use cellular frequencies like GSM 3G and 4G to transmit data.

While it is more common to install radio frequency bugs in buildings and houses, which can easily transmit over long distances using repeaters or your LAN ADSL Wi-Fi connection, it is less likely for this to occur in a vehicle.

Therefore, we recommend investing in the 12-band jammer P-US-010.

Securing Your House/Office Against Hidden Microphones

Identifying Potential Bugging Threats

Conduct regular sweeps to identify hidden microphones in your home or office. Awareness of potential threats is crucial for effective security.

Implementing Jammers for Home and Office Security

Navigating the various types of bugs on the market can be challenging, as they operate across multiple frequencies. Therefore, it’s recommended to invest in a device that covers a wide range of bands. We suggest the P-US-016-1 and T-US-016 jammers.

The US-016-1 effectively jams:

  • VHF/UHF radio frequency microphones
  • Cellular frequency bugs
  • 2.4 – 2.5 GHz radio bugs, Wi-Fi/Bluetooth
  • GPS locators
  • 3G and 4G LTE micro-cameras

The T-US-016 blocks:

  • Hidden microphones transmitting via cellular frequencies (GSM, GPRS, 3G, and 4G)
  • Bugs using high radio frequencies (5100-5500-5900MHz)

Installing these devices ensures maximum security within a 10-30 meter range.

Testing Your Alarm System Phone Dialer

Select a jammer that targets the frequencies used by your alarm system’s phone dialer. Ensure it has sufficient output power and range for accurate testing.

To disrupt data transmission between your alarm system phone dialer and the central monitoring station, identify the dialer’s transmission frequency. For GSM phone dialers with low/high radio frequency transmitters, a high-output jammer with directional antennas is essential. The T-US-06D is recommended due to its powerful output and ability to penetrate walls, though range varies with wall type.

Note: Directional antennas focus jamming power effectively, unlike omnidirectional antennas which use only 50% of total power.


Choosing the right jammer involves understanding your specific needs and the various factors that affect jammer performance. By considering frequencies, output power, coverage distance, power sources, and cooling systems, you can select a jammer that effectively protects your privacy. Always prioritize safety and legality when using jammers, and remember that your actions can impact others.

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