Addressing Common Questions and Concerns
Full band interference devices have become increasingly popular for their ability to disrupt mobile phone signals within a specific frequency range. However, there are often misconceptions and concerns surrounding their usage. This article aims to provide a comprehensive understanding of how these devices work, their impact on human health and mobile phones, their effectiveness in different environments, and their durability during prolonged operation.
1. The Presence of Signal Indicators on Mobile Phones:
Question: Why do some mobile phones still display signal indicators when a full band interference device is in operation?
Answer: This is merely a false signal. In reality, the mobile phone is unable to establish communication. When attempting to make a call, users will notice that there are no signal indicators, rendering the phone incapable of making or receiving calls.
2. Safety of Full Band Interference Devices:
Question: Are full band interference devices harmful to human health and mobile phones?
Answer: Users can rest assured that the electromagnetic signals emitted by full band interference devices are weak and pose no harm to human health. Extensive testing has shown that these signals are far below the threshold for causing any damage. Furthermore, these devices only block the forward signals of mobile phones, preventing them from connecting to base stations, and thus do not cause any harm to the phones themselves.
3. Variances in Effectiveness Indoors and Outdoors:
Question: Do full band interference devices have different ranges of effectiveness when used indoors and outdoors?
Answer: Yes, the effective range of a full band interference device (0-60 meters) generally refers to indoor distances. In open outdoor areas, the shielding range can extend to several hundred meters. It is important to note that the effectiveness of the device is influenced by environmental factors such as proximity to base stations and placement. Therefore, when using a full band interference device, these factors should be taken into consideration to avoid creating dead zones that may compromise the shielding effect.
4. Impact on GSM and CDMA Mobile Phones:
Question: Do full band interference devices have the same effect on GSM and CDMA mobile phones?
Answer: This is an excellent question. Due to the superior anti-interference capabilities of CDMA phones compared to GSM phones, the effective shielding distance for CDMA phones is slightly smaller, approximately 2-4 meters. However, in certain critical locations, it is advisable to increase the number of full band interference devices to ensure optimal shielding for CDMA phones. The signal strength of CDMA and GSM phones may vary in the same environment, resulting in different shielding distances.
5. Durability of Full Band Interference Devices:
Question: Can prolonged operation of full band interference devices cause damage to the machines?
Answer: No, this is a normal occurrence. The design of these devices incorporates the use of aluminum alloy casing with excellent heat dissipation properties. Additionally, the devices are equipped with four cooling fans and employ a professional circulating airflow design, ensuring stable operation over extended periods. Therefore, the heating of the casing does not pose any risk of damage to the device.
Full band interference devices offer an effective solution for blocking mobile phone signals within a specific frequency range. Understanding their functionality, safety, effectiveness in different environments, and durability is crucial for users to make informed decisions regarding their usage. By dispelling common misconceptions and addressing concerns, this article aims to provide a comprehensive understanding of these devices, enabling users to utilize them effectively and responsibly.