welcome to HISEA
source:Industry News release time:2020-12-07 Article author:sznbone Popular:Prison Jamming system
Looking at the news recently, you can find that a device called test signal jammer is frequently appearing in major schools, and you can see them in every test room. What are they? In fact, this is a kind of isolation. The shielding equipment for communication signals is the best way to prepare for the exam and to counter and prevent candidates from cheating with electronic devices in the exam room. This is to allow candidates to take the exam in a fair and authoritative examination room that maintains the normal order of the examination room, so that the candidates' scores are more true and correct.
However, because the shielding effect of the test signal jammer is limited, it is generally within a radius of 0 to 50 meters, and the area is about 250 square meters. Within this range, it can be guaranteed to isolate the communication signal and WIFI signal, but when installing the test signal jammer in the examination room, pay attention to avoid covering it with metal objects, because this will seriously affect its shielding effect, and because the shielding effect will be greatly reduced as the wall penetrates. Fortunately, when using it, it is ensured that it is in an open area, so as to ensure that the effect of the shield is maximized. If you feel that the lower power is not suitable, you can also choose a higher power. In fact, schools have very high requirements for such high-tech equipment and test signal jammers. If you want to choose high-performance equipment, please come to Beijing Shenzhou Mingda to consult the price of signal jammers, which can be provided here. Cost-effective professional equipment, with many years of rich manufacturing experience, quality is guaranteed, welcome to buy and cooperate.
Read recommendations:
Recording blocker protect your voice information security,air purifier type anti-recording equipment
Vehicle Use-Signal jammer detector for uniform services
Worried about the conversation being recorded? Want to have a safe discussion space? This anti-recor
Popular recommended products
Portable Handheld RF Signal Jammer, Car Lock Remote Control Blocker, 10W Jam Up To 100m
2022-01-13High Power Handheld Signal Jammer HS-P8J
2020-09-15Portable HS-V8J High-Power DDS Jammer
2020-09-144G/5G Signal Jammer (14 bands)
2020-11-10Waterproof Portable 360 Degree Anti UAV Drone Jammer
2020-09-24Related Information
RF signal jammers: types and characteristics
2021-05-27Factory signal jammer solution
2020-11-23Jammer blocks and interrupts the radio link
2021-07-20Drone jammer capable of jamming enemy uavs flying at high altitude
2021-06-09Portable recording blocker to prevent recording by the voice recorder!
2021-08-17Will the signal jammer affect other electronic equipment?Meeting room jammer
2021-09-03Where do I need to use the recording blocker?
2021-08-24Mobile phone jammers are used in offices and other public areas
2020-11-06Direct factors affecting the price of signal jammers!Prison signal jammer
2021-09-18Cellphone Signal Jammer Use On Exam Centers In India
2022-01-07Russian college entrance examination also uses mobile phone signal shielding equipment to prevent ch
2021-08-05Car GPS signal jammer, teaches you how to choose
2020-11-20Drone on drone war with jammers
2021-07-26Jio Estonia partners with University of Oulu on 6G research
2022-06-02Prevent recording and block recording!Wireless Network Signal Jammer devices
2021-09-30China's anti-drone defences to take centre stage at the Zhuhai air show
2022-11-10The role and use of GPS jammer
2020-12-10Does the signal jammer affect other electronic equipment?Jammer price
2021-10-25The working principle of wireless signal jammer
2020-12-01Mobile phone signal jammer used in military and prison
2020-11-16Interfering 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
