welcome to HISEA
source:Industry News release time:2021-08-27 Article author:sznbone Popular:Prison Jamming system
Recording jammer is a kind of equipment used to shield recording in a specific environment. It can effectively interfere with the recording equipment of digital and tape recorders, cameras, and eavesdroppers. It can effectively interfere with digital voice recorders and tape recorders with a frequency of 100HZ-20000HZ. By outputting white noise outside the frequency range of human hearing, the voice recorder or tape recorder can only record a piece of "humming" noise, and the conversation content of the speaker cannot be recorded, and the recorded voice cannot be restored after sound post-processing. The sound (because the sound captured by the recording device is only noise). So as to effectively protect the conversation content from being secretly recorded. At the same time, the recording equipment jammer does not emit any visible sound during work.
The newly developed recording jammer has core technology, and its shielding and hiding effects are better than domestic and foreign products. This device can effectively interfere with digital and tape recorders and various eavesdroppers with a pickup frequency of 100Hz-20000Hz. It can only record the "buzzing" noise, and cannot record the conversation content of the speaker. The recorded sound cannot be restored after post-processing, thus effectively protecting the dialogue content from being leaked.
The newly developed L7B recording jammer is upgraded on the basis of the original equipment. The FPGA-based ultrasonic noise algorithm eliminates the high-frequency noise of the old equipment. It adds the information of various brands of mobile phones and recording equipment that have been on the market in the past two years. The new recording equipment and mobile phone recording have very obvious effects.
The MDPB-L7B recording jammer is used to interfere with any recording equipment around it, and the interference distance can reach up to 10 meters, depending on the performance of the recording equipment. In addition, it also has an acoustic interference mode, which randomly generates a noise background, which is similar to human voice noise that can be adjusted in volume. If your conversation is recorded by a recording device, the recorded voice record contains a variety of mixed sounds, making it impossible to hear any of them.
Read recommendations:
Full bands 5G Mobile phone jammer
8kms 300MHz~6GHz RF Uav All Frequency Detection Direction Finding Equipment
Analysis and Research on the Global Market of Mobile Phone Jammers
High power drone gun jammer destroy multiple signal frequency bands
"The most stringent in history" college entrance examination:
Popular recommended products
Portable HS-V8J High-Power DDS Jammer
2020-09-14Portable Handheld RF Signal Jammer, Car Lock Remote Control Blocker, 10W Jam Up To 100m
2022-01-134G/5G Signal Jammer (14 bands)
2020-11-10Waterproof Portable 360 Degree Anti UAV Drone Jammer
2020-09-24High Power Handheld Signal Jammer HS-P8J
2020-09-15Related Information
The status and error of cell phone shield in prison
2020-10-26How to prevent the other party from recording with a voice recorder?
2021-09-02Home WiFi Jammer-Let children prepare for exams
2020-11-13The Principle of Mobile Phone Jammer
2020-10-22How to prevent our privacy from being overheard and secretly recorded?Meeting room jammer
2021-09-10Some undergrads admit to cheating in online exams during pandemic, despite safeguards and stiff pena
2022-07-16Army to procure jammer system to thwart radio, cell phone IED attacks
2021-10-26The school has installed an exam signal shield? For a fair exam environment
2020-11-23Principle of UAV jammer
2021-01-18Four matters needing attention in the use of mobile phone jammers for signal shielding in conference
2020-09-25How to prevent being recorded when talking?
2021-08-25What equipment is needed for anti-recording in the conference room?
2020-12-14Usage of Use Mobile Phone Jammer
2020-10-31WiFi jammers block hidden camera
2021-06-15Portable recording blocker to prevent recording by voice recorder!
2021-03-242.4GHz and 5.8GHz interference comparison of drones
2021-01-18What should be paid attention to in the installation and use of mobile phone signal shielding equipm
2020-10-26Why do prisons need cell phone jammers?
2021-09-14What are the influencing factors of the shielding effect of the mobile phone signal jammer?
2021-08-10How to solve electronic signal cheating? Exam signal jammer shows great power
2020-11-21Interfering 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