Anti recording and anti eavesdropping solutions in conference room scenarios
1 Product Overview
A recording jammer designed specifically for conference room scenes, equipped with a self-developed ultrasonic mixer and utilizing ultrasonic band noise interference technology, effectively shields various portable recording devices such as mobile phones and recording pens, and the interfering audio cannot be restored. The device supports wired/wireless networking and can be used in conjunction with recording blocking devices to control terminal usage. It can also be centrally managed through the Meeting Guard platform. Ultrasonic noise technology is imperceptible to the human ear and emits no harmful radiation.
2 Product Features
Ø Effective protection
Equipped with a self-developed ultrasonic mixer, it effectively shields various portable recording devices such as mobile phones, as well as eavesdropping devices installed in the table area
Ø No sense of security
Adopting ultrasonic band noise interference technology, effectively shielding while being imperceptible to the human ear; No radiation at all
Ø Flexible deployment
Under table/tabletop products and quantity combinations can be made according to the size of the conference room and the size of the conference table
Ø Networking control
Wireless/wired networking can be achieved through Bluetooth/RS232, connecting up to 32 slave devices simultaneously. Management can be controlled through control terminals, Meeting Guard network management system, mini programs, or 315MHz remote controllers
3 Product Parameters
large conference room Medium sized conference room small meeting room
4 Application scenarios
| AT-315/316 desk under type /desk top recording shield | | Item | Specifications (AT-316/315) | | Interference mode | Acoustic interference | | Angle of interference | 60°@1 meter | | interference distance | Huawei Mate 40>2 meters @70dB, microphone facing iPhone 12mini> 1.5 meters @70dB, microphone facing forward | | CI | BLE ,RS232 | | Wireless networking distance | > 10m | | Power supply mode | DC power adapter 18-30V (standard DC 20V) | | Overall power consumption | 
Stable power consumption <50W | | Number of probes | 96 | | product size | 354*127*26mm 325*96*64mm | | Product color | silver gray | | Product weight | <1445g | | working temperature | -10°C~ +45°C | | Working humidity | Not more than 85%, no condensate | |
|  AT-301 Shielding equipment control terminal
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| Item | Specifications description |
| Uplink communication | WiFi, 100M Ethernet |
| Downlink communication | BLE ,RS232 |
| Wireless networking distance | >10m |
| Remote control | Supports 315MHz wireless remote control |
| Number of machines | No more than 32 |
| interactive mode | 3.92 inch 320*320 touch screen |
| normal voltage | DC 5V |
| Overall power consumption | <10W |
| product size | (86.75*86.75*21.65)mm±1mm |
| Product color | Black panel, silver gray shell |
| Product weight | 113g |
| working temperature | -10℃~+45℃ |
| Working humidity | Not more than 85%, no condensate |
5 customer value
Specially designed for meeting scenarios, actively defend against recording and eavesdropping behaviors in various important communication occasions, and prevent the leakage of confidential content
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Compact Wireless Anti Recording Device With Under Table And Sound System Forms Images
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