welcome to HISEA
source:Industry News release time:2021-08-09 Article author:sznbone Popular:Prison Jamming system
A cell phone signal jammer is a device that can shield cell phone signals. Generally, there are more signal jammers in the examination room, and some agencies and security offices also use signal jammers to prevent unscrupulous people from using mobile phones to take pictures and record some secrets.
The working principle of the signal jammer is to scan from the low end frequency of the forward channel to the high end at a certain speed during the working process. The scanning speed can cause garbled interference in the message signal received by the mobile phone. The mobile phone cannot detect the normal data sent from the base station, so that the mobile phone cannot establish a connection with the base station and achieve the purpose of shielding the mobile phone signal. No service system and other phenomena.
Do you know which signals can be shielded by a signal jammer?
The mobile phone signal jammer can shield 2, 3, 4, 5G mobile phone signals, as well as 2.4G and 5.8G Internet signals. The frequency bands that the mobile phone signal jammer can shield are: CDMA::867-885 MHz.GSM:923 -964MHz, DCS/4G: 1803-1994MHz, 3G (Unicom/Telecom): 2109-2175 MHz, mobile 3G: 2008-2029MHz, WIFI: 2395-2487 MHz, 4G1: 2298-2406 MHz, 4G2: 2547-2650 MHz
After the mobile phone signal jammer, the mobile phone may display the signal, but it can no longer make and receive calls and surf the Internet. It can ensure the confidentiality of the examination room, conference room and other places. After the signal jammer is turned off, it can be used normally. The mobile phone signal jammer will not Interfere with other electronic equipment.
Read recommendations:
T-9000 Hiden Camera Signal Detector
The rechargeable battery of the shield will save you a lot of trouble
Detailed use of multifunctional wireless signal jammer
Navy invests heavily in new generation of electronic jamming technology
Popular recommended products
Portable HS-V8J High-Power DDS Jammer
2020-09-14Waterproof Portable 360 Degree Anti UAV Drone Jammer
2020-09-24Portable Handheld RF Signal Jammer, Car Lock Remote Control Blocker, 10W Jam Up To 100m
2022-01-134G/5G Signal Jammer (14 bands)
2020-11-10High Power Handheld Signal Jammer HS-P8J
2020-09-15Related Information
How to choose a heart rate jammer?
2021-06-02Mini car GPS jammer is loved by users
2020-11-21Is there a device to block recordings?
2021-04-08Signal jammers are widely used in school examination rooms!Jammer price
2021-10-18Outdoor Precautions for Installing Signal Jammer
2020-10-29Jammers are used to cut off links between criminals
2021-10-11Cell Phone Jammer
2020-10-10Why are people using multi-purpose signal jammers now?
2020-11-23The decisive factor affecting the price of mobile phone signal jammer
2020-09-11What are the differences between mobile phone jammers and civilian mobile phone jammers?
2021-09-275G Technology: The Key to Unlocking the Internet of Things
2023-06-17Mobile phone jammers are used in offices and other public areas
2020-11-06These places must be equipped with signal jammers!
2021-08-10High power UHF VHF WiFi mobile phone jammer is used in some places
2020-11-25Cell phone jammer function
2020-11-30With a recording jammer, you are no longer afraid of someone secretly recording!
2020-12-03Cell phone jammer principle
2020-11-30Army and prisons use cell phone jammer
2021-06-23RF factors in play for 5G and future 6G systems.
2022-07-13Can blocking recording equipment effectively block mobile phone recordings?
2021-03-25Interfering products
Low-altitude defense drone portable equipment
2023-11-20Mobile Phone Cellular Signal Booster GSM PCS Network Repeater for Garage Basement Signal Repeat
2023-11-092W Mobile Phone Signal Repeater 1800 2100 2600 MHz Tri-Band 33dBm Network Booster
2023-11-093G Signal Repeater Mobile Phone Signal Booster
2023-11-09Portable Signal Jammer Full Band 21 Channels 2g 3G 4G 5g Mobile Phone Network Lojack Walky Talky Signal Jammer
2023-11-01Professional all-round 360-degree recording jammer air purifier type anti-recording equipment
2023-11-01Anti Spy Remote Control Portable Audio Voice Recording Jammer up to 2m white noise to Privacy Protection
2023-11-01Recording blocker protect your voice information security,air purifier type anti-recording equipment
2023-10-312000m Detection Handheld Drone (UAS) Detection Warning Instrument Detector Dji, Autel and Fpv Drones
2023-10-27Handheld Drone/Uavs Detecter for Detecting Dji/Autel/ Fpv Drones up to 2km
2023-10-25with 2km Drone Controlled Signals WiFi Drone Signal Jammer GSM 900MHz WiFi 2.4GHz 5.8GHz Anti Drone System
2023-10-25Unique Handheld 28 Bands 27 Antennas Wi-Fi6e FM Radio GSM 3G 4G 5g Mobile Phone Jammer
2023-10-23Handheld 24 Antennas 5g Cellphone Signal Jammer with Nylon Cover
2023-10-23Convoy 12 bands RCIED Bomb Jammer
2023-10-23Vehicle Mounted Drone Detection Jamming Integrated Uav Detection, Positioning, and Countermeasures Blocking Units
2023-10-17Portable Drone Detector aeroscope mobile works offline or online can find controller pilot position detection device up to 10km
2023-10-05Vehicle Use-Signal jammer detector for uniform services
2023-09-20Anti-Theft Jammer Detector for Local Command Center
2023-09-20Portable Cellphone Jamming Detector
2023-09-19M8000 RF Signal Detector Anti Spy Tracker Wifi Camera GSM Audio Bug Sweeper
2023-09-188km Ku Band Microwave Alarm Security System Ground Surveillance Monitor/Detector/Sensor/Radar
2023-07-31Full Band Drone Jamming and Navigation Spoofing
2023-07-318kms 300MHz~6GHz RF Uav All Frequency Detection Direction Finding Equipment
2023-07-311.2G 100W anti drone module
2023-07-211.2G 50W anti drone module
2023-07-211.2G 30W anti drone module
2023-07-211.2G 10W/20W anti drone module
2023-07-21Portable anti UAV anti drone Systems 4 bands with removable battery for 1500m
2023-07-21Built-in antenna Phone Signal Jammer Blocker 2g/3G/4G/5g L1 WiFi Camera for room
2023-02-28Portable Handheld RF Signal Jammer, Car Lock Remote Control Blocker, 10W Jam Up To 100m
2022-01-13Start a conversation to know more about what we have for you…
Get in touchEnter your email for exclusive offers and information on new upcoming products.
product
solution
about us
service
news
