Description
Tabletop Room Anti-Recorder | 360° Ultrasonic Recording Blocker for Medium to Large Rooms, 26′ Range
Boardrooms, conference rooms, and larger negotiation spaces create a privacy problem that small anti-recorder units simply aren’t built to solve: more people, more devices, more seats around the table, and more distance between where the device sits and the farthest corner of the room. A unit sized for a small private office may cover the chair closest to it and leave the far end of a long conference table completely exposed, which means the one phone or recorder sitting furthest from your protection is the one that actually captures the conversation.
The NG3700 is built for that larger scale. It projects a full 360° field of silent ultrasonic interference out to roughly 26 feet, enough to reach every seat around a full conference table or fill a medium to large office, disrupting the microphones in phones, pen recorders, covert cameras, and other surveillance devices no matter where in the room they’re sitting. That interference distorts any audio or video captured so thoroughly that it can’t be decoded or restored later, even by someone reviewing the recording specifically to recover what was said.
Backed by a 9800mAh battery rated for up to four hours of continuous use, it’s built to run through a full negotiation, board meeting, or extended client discussion without needing a mid-meeting recharge. A simple on/off power switch means there’s nothing to configure and no learning curve for whoever’s setting up the room, place it on the table, switch it on, and every seat in the room is covered before the first person sits down. For legal teams, executives, and businesses that regularly host sensitive discussions in larger spaces, the NG3700 closes the coverage gap that smaller anti-recorder units leave behind.
Don’t let the far end of the table be the weak point in your privacy. Order the Tabletop Room Anti-Recorder today and cover every seat in the room from the moment the meeting starts.
FAQ
1. What size room does the NG3700 cover? It’s built for medium to large rooms, projecting a full 360° field of ultrasonic interference out to roughly 26 feet, enough to reach every seat around a standard conference table.
2. How does it stop a recording without knowing where the device is? It emits interference across the entire room rather than searching for a specific device, disrupting the microphones of any phone, pen recorder, hidden camera, or listening device within range regardless of exactly where it’s placed.
3. Will meeting participants notice it’s running? No. The interference is ultrasonic and silent to human ears, so conversations proceed normally while every microphone in range is being disrupted in the background.
4. Does it block video recording as well as audio? Yes. It’s designed to disrupt both audio and video recording captured through the microphones of covert cameras, phones, pen recorders, and other surveillance devices.
5. How long does the battery last during a meeting? The 9800mAh battery is rated for up to four hours of continuous operation, enough to cover a typical board meeting, negotiation, or extended client discussion without a recharge.
6. Is it difficult to set up before a meeting? No. It uses a simple on/off power switch with no app, remote, or configuration required; place it on the table and switch it on.
7. How is the NG3700 different from the Small Room Anti-Recorder (NG3600)? Both use the same 360° ultrasonic approach, but the NG3700 covers a larger area (roughly 26 feet versus 18 feet) with a bigger battery, making it the better fit for full conference rooms and larger offices rather than small private rooms.
8. How is the NG3700 different from the Power Bank Style Anti-Recorder (NG3500)? The NG3500 is disguised as a working power bank with remote control, built for discreet, on-the-go use, while the NG3700 is a larger dedicated tabletop unit built specifically to cover bigger rooms rather than to blend in.
9. Is it legal to use? The NG3700 uses ultrasonic audio interference aimed at nearby microphones, not RF radio jamming, which is a different category of device than the radio-frequency jammers restricted under FCC regulations. As with any counter surveillance device, use it in spaces you’re authorized to use it in and check local regulations if you have specific legal questions.
10. Should I use this along with a bug detector? Yes. A detector like the DD1216 or PRO-10G helps you find and remove a hidden device, while the NG3700 protects the entire room from any microphone in range whether it’s found or not, making the two effective as complementary layers of protection for larger spaces.







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