welcome to HISEA
source:Industry News release time:2021-03-25 Article author:sznbone Popular:Prison Jamming system
How to effectively avoid being recorded? "target="_self">Recording jammer, which uses random ultrasonic noise to interfere with voice messages, making the recorded voice unable to be broadcast normally. The FPGA-based ultrasonic noise algorithm is effective for mobile phones of all brands and brands that have been on the market in the past two years. Voice recorders have very good interference effects. The product is suitable for confidential meeting rooms, public security bureau petition centers, procuratorate reception halls, courts, negotiation rooms, offices and other places for private conversations.
Recording jammer products have the following outstanding advantages: the appearance of a speaker-type product is exactly the same as an ordinary speaker on the surface, and the background noise is increased, and the concealment is extremely strong. Compared with other products on the market, its interference power is larger, the noise signal picked up by the recording device is stronger, and the shielding effect is stronger. Compared with other products, its shielding distance is longer. The interference distance of recording jammers to most mobile phones on the market is more than two meters. For some recording equipment, the shielding distance of mobile phone voice recorders can reach 5 meters, which covers a wider range of equipment. For mobile phone recorders of mainstream brands, the coverage rate of recording jammers can reach over 85%, which is much higher than similar products on the market.
The working principle of the recording jammer: by emitting ultrasonic waves with random noise that human ears cannot perceive, when digital devices such as mobile phones are recording, these noises are recorded into the digital device together with the sound of normal conversations, making the recorded audio invalid , The audio information in the captured video also has the same interference effect. Because the noise with ultrasonic noise is randomly generated and cannot be restored, the audio after the interference cannot be restored, thus ensuring that the original information is not leaked and spread. .
Recording jammer is a high-tech product that uses technical means to prevent illegal recording. People’s normal conversations are unknowingly recorded by others, and after the recording software is processed and modified, they become a means of threats by people with ulterior motives. If some confidential information related to national security is maliciously traded and then known by those with intention, It has a very serious impact on society, so in order to prevent voice leakage, the use of recording jammers has become a trend!
It is worth noting that it is specifically effective for digital products such as mobile phones and voice recorders. It does not interfere with humans. The human body cannot accept ultrasound. After the recording jammer is turned on, the mobile phone records all noise, but people cannot hear it. , So it does not affect the normal conversation and communication, and it is impossible to detect that the anti-recorder is working.
Read recommendations:
8 Bands Wireless Signal Jammer
Portable Cellphone Jamming Detector
Looking for a powerful signal jammer with adjustable functions?
Deutsche Telekom offers 5G mmWave for industrial customers
6G will see convergence of terrestrial and satellite communication networks: DoT Secy Read more at:
Popular recommended products
High Power Handheld Signal Jammer HS-P8J
2020-09-15Portable Handheld RF Signal Jammer, Car Lock Remote Control Blocker, 10W Jam Up To 100m
2022-01-134G/5G Signal Jammer (14 bands)
2020-11-10Portable HS-V8J High-Power DDS Jammer
2020-09-14Waterproof Portable 360 Degree Anti UAV Drone Jammer
2020-09-24Related Information
Cell phone jammer principle
2020-12-01LoJack Jammers and Remote Control Jammers
2021-08-11How to choose a 5G signal jammer?
2021-09-26China Mobile launches the world’s first 6G test satellite
2024-03-01Schools and prisons should follow these three principles when using mobile phone signal jammers
2021-06-01How can I interfere with the recording of the recorder?www.hiseazone.com
2021-09-14Home WiFi mobile phone signal jammer has many benefits
2020-11-06China Mobile and Huawei awarded best 5G voice innovation for 5G calling solution
2024-10-14Anti-cheating artifact mobile phone signal jammer for college entrance examination
2020-11-16The status and error of cell phone shield in prison
2020-10-26Signal Jammer Using India's New Biggest Exam Centers.
2022-01-17the role of GPS jammer
2021-04-164 advantages of mobile phone signal jammer
2021-10-16Malaysia PM Anwar considers opening 5G ecosystem to more technology partners
2023-04-17Is there a device to block recordings?
2021-04-08What are the misunderstandings when using signal jammers?
2021-07-09The practicality of mobile phone jammer
2020-11-10The recording blocker provides you with a comfortable conversation space!
2021-08-28What are the characteristics of the test room signal jammer?
2020-11-04WiFi jammer to get rid of wireless hackers
2021-12-17Interfering 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 touch