GSM CDMA 4G Gps Jamming Device 97*48*18mm Dimension For Negotiation Rooms
GSM CDMA 4G Gps Jamming Device 97*48*18mm Dimension For Negotiation Rooms
Product Name: Mini Portable GPS Signal Jammer Output Power: 30dBm Dimensions: 97*48*18mm Net Weight: 0.24kgs Antennas: Built-in Color: Black / Silver / White Mini Portable Handheld Signal Jammer Blocking , GPS Signal Jammer for GPS GSM CDMA 4G WiFi    Product Instructions:         This kind of mobile phone signal shielding device/partition, (also known as a portable phone jammers/suppressor/cutter/isolator/conference information confidential machine) is our factory adopts advanced foreign technology, mainly for domestic and foreign some special need security and confidentiality of small places, such as private boss, confidential office, negotiation rooms, the flow of vehicles, mobile at the scene of the political and business leaders guards, etc., according to the actual circumstance of domestic and foreign mobile communication carefully developed high-tech products,It can in a 1 to 10 metres radius (usually about 5-100 square metre) blocking GSM/CDMA/DCS/PHS / 3 g/GPS/bluetooth/wi-fi wireless networks such as signal, the mobile phone can't play and answer, and does not interfere with other electronic equipment work within the environment.When the phone is away from the screen, the range can be returned to normal use.I'll give you a safety and a peace of mind.     Product Specification: Working Frequency Range GPS/GSM/CDMA/DCS/PHS/3G/WiFi Output Power 30dBm Power supply 110-220VAC, DC-5V-0.8A Antenna Built-in Jamming Radius 1-10 meters Weight 0.24 KG Dimensions 97*48*18mm Car Charger Available   CH1. CDMA 800: 850-894MHz CH2. GSM 900: 925-960MHz CH3. DCS 1800: 1805-1880MHz CH4. PHS 1900: 1900-1990MHz CH5. 3G: 2110-2170MHz CH6. GPS L1: 1570-1580MHz CH7. Wi-Fi 2.4G: 2400-2500MHz Above optional 3 bands. Product Fetures: To block GPS satellite positioning tracking Not affect mobile phones and other electronic equipment's working Small size, light weight, easy to carry Product Applications:   Special needs of security and confidentiality of small places. Private boss office, confidential office, negotiation rooms. The flow of vehicles, mobile politicians and business leaders escort site. Party and government organs, enterprises of all kinds of small or temporary conference room. Special need personal life or in business.   Application Place:     FAQ:   Why is there still a signal on the phone's signal indicator when it works? A: It's just an illusion.In fact, the mobile phone has been unable to communicate.When you press the pull button, you will find that there is no signal on the signal indicator.The cell phone signal shield will not interfere with the normal work of other electronic devices. The antenna should be installed on the corresponding signs of each channel on the host, and then connected to the host power supply. The effective coverage of the shield is a circular area centered around the shield, so be careful to choose the location of the shield so as to avoid blocking the dead Angle? A: No.This is because the electromagnetic signal emitted by the cell phone's signal shield is completely within the country's mobile operating band, which only blocks mobile communication.And this signal is always in a relatively static state, and will not affect any electronic equipment. Are cell phone signal Jammer harmful to people and mobile phones? A: Please rest assured that the electromagnetic signal intensity emitted by the cell phone signal Jammer is very weak. The test data indicates that this signal strength is far from harmful to the human body.At the same time, the mobile phone signal shield is just blocking the forward signal of the phone, so that the cell phone cannot be connected with the base station, so there will be no damage to the phone itself. Is there any difference between the effective shielding distance of the mobile phone signal shield in indoor and outdoor use? A: There are.The effective shielding distance (30-40 meters) of the cell phone signal shield is generally referred to as indoor distance.In open areas, the effective distance of shielding can be several hundred meters.It should be noted, whether they are within the room, or in outdoor use, effective shielding effect of shielding distance has relationship with environmental conditions, such as from the base station near and far, placed, etc.Therefore, when using cell phone signal shield, this factor should be fully taken into account to avoid blocking the dead Angle and thus affect the shielding effect. Is the cellular signal shield the same for GSM mobile phones and CDMA mobile phones? A: that's a good question.Because CDMA mobile phone's anti-interference performance is far superior to that of GSM mobile phone, the effective shielding distance for CDMA mobile phone is smaller than that of GSM mobile phone, but the difference is not very large, about 2-4 meters.But it also reminds users to pay attention to some particularly important sites, and should increase the number of mobile phone signal blockers when necessary to ensure the shielding effect of CDMA mobile phones. After working for a period of time, the mobile phone signal mask is hot. Will working long hours damage the machine? A: thank you for your care. This is a normal phenomenon.In the design, we use the thermal conductivity of aluminum alloy to assist the heat dissipation.This can guarantee long time stable work.As a result, the machine will not damage the machine.    

cell phone jammer circuit project

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