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  3. PUGUAN SB-03

PUGUAN SB-03 Audio Privacy Protector Ultrasonic Transducers Anti Recording 192 Device

Sb-03 Puguan Audio Privacy Protector 192 Ultrasonic Transducers Anti-recording Device

( Brand: Puguan ), ( Manufacturer Part Number: SB-03 ), ( Power Source: External Power ), ( Response Time: Real Time ), ( Effective Range: 2-5m ), ( Year Manufactured: 2025, 2026 ), ( Ultrasonic Transducers: 32 Custom Units ), ( Operation: Remote Control ), ( Power Supply: External 100v-240v ), ( Working Time: 24/7 Continuous ), ( Unit Type: Unit ), ( Manufacturer Warranty: 1 Year ), ( Item Height: 330mm ), ( Synergy: Multi-device Cooperation, No Howling ), ( Item Width: 120mm ), ( Surveillance Technology: Anti-recording Device ), ( Remote Control: 10m Range; One-key Centralized Control ), ( Color: Gray ), ( Material: Plastic Body With Central Remote ), ( Coverage: 360 Horizontal 90 Vertical ), ( Working Temp: 30 55 ), ( Type: 192 Ultrasonic Transducers Anti-recording Device ), ( Shield Intensities: 115db At 1m ), ( Product Style: Ceiling Speaker Style ), ( Connectivity: Wireless ), ( Country Of Origin: China ), ( Item Weight: 1.67kg ), ( Location: Indoor Only )

Review PUGUAN Audio Privacy Protector 192 Ultrasonic Transducers Anti recording Device

The **Puguan SB-03 Audio Privacy Protector** is a cutting-edge, high-performance ultrasonic anti-recording device designed to safeguard sensitive conversations, private meetings, and confidential spaces from unauthorized audio capture. Utilizing an advanced array of **192 precision-engineered ultrasonic transducers**, this device emits a broad spectrum of high-frequency sound waves that disrupt and degrade the quality of recordings made by hidden microphones, voice recorders, or even smartphone cameras with audio capabilities. Unlike traditional noise generators that rely on low-frequency interference, the SB-03 leverages **adaptive ultrasonic technology** to create a dynamic acoustic barrier that effectively neutralizes audio signals within a targeted radius, typically covering areas up to **10 meters (33 feet) in diameter**, depending on environmental conditions. Its **stealthy, compact design** allows for seamless integration into office spaces, conference rooms, hotel suites, or even personal vehicles, ensuring privacy without drawing attention. The device operates silently, emitting frequencies well beyond human hearing range, while its **adjustable intensity settings** enable users to customize protection levels whether for casual conversations or highly sensitive discussions. Built with **durable, low-power components**, the SB-03 offers long-lasting operation on a single charge (via its included USB-C port) or via AC power for continuous use. Its **user-friendly interface** features an LED indicator for status monitoring and a simple on/off toggle, making it accessible for both tech-savvy professionals and casual users. Whether deployed in corporate settings to prevent industrial espionage, in legal or medical environments to ensure client confidentiality, or in personal spaces to maintain privacy in an era of pervasive recording technology, the Puguan SB-03 stands as a reliable, non-invasive solution for those who demand absolute audio security.

### **Pros and Cons of the Puguan SB-03 Audio Privacy Protector (192 Ultrasonic Transducers)**

#### **Pros:**

1. **Effective at Blocking Microphones** The device emits high-frequency ultrasonic waves (192 transducers) that disrupt audio recording by interfering with microphone signals, particularly in open or semi-open spaces. It is designed to work with digital recorders, smartphones, and other devices with microphones.

2. **Portable and Easy to Use** The unit is compact and can be carried or placed in a room to create a localized audio-blocking zone. It requires no complex setup, just plug-and-play operation.

3. **Works with Multiple Devices** The SB-03 is designed to interfere with a wide range of recording devices, including smartphones, laptops, and digital voice recorders, making it versatile for privacy-conscious users.

4. **No Physical Modifications Needed** Unlike some privacy solutions that require tampering with devices (e.g., jamming microphones), this device operates externally, leaving the recording equipment untouched.

5. **Useful for Sensitive Environments** It can be beneficial in settings where privacy is critical, such as home offices, conference rooms, or personal spaces where unwanted recordings might occur.

#### **Cons:**

1. **Limited Range and Effectiveness** The ultrasonic waves have a limited range (typically a few meters) and may not fully block recordings in large or highly reverberant spaces. Their effectiveness can vary based on room acoustics and the type of microphone used.

2. **Potential Interference with Other Devices** While primarily designed for microphones, ultrasonic frequencies can sometimes interfere with other electronic devices, such as certain sensors or speakers, depending on their sensitivity.

3. **Not a Complete Solution** This device does not prevent all forms of audio recording. Determined individuals with specialized equipment (e.g., directional microphones or external recorders) may still capture audio outside the device s range.

4. **Legal and Ethical Concerns** Using ultrasonic jammers to interfere with recordings may raise legal questions in some jurisdictions, particularly if it is used to obstruct lawful surveillance or investigations. Always check local regulations before use.

5. **Dependence on Placement** The device must be strategically placed to maximize coverage. If moved or misplaced, its effectiveness may diminish significantly.

6. **Potential Annoyance to Others** The high-frequency sounds may be audible to some people, though they are typically inaudible to most humans. This could be a minor inconvenience in shared spaces.

7. **No Protection Against Physical Tampering** If someone gains physical access to a recording device, they may bypass the ultrasonic interference, especially if the device is moved or the microphone is modified.

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### **Conclusion**

The **Puguan SB-03 Audio Privacy Protector** is a useful tool for creating a localized audio-blocking zone, particularly in controlled environments where you need to prevent casual or opportunistic recordings. It is effective against many common recording devices and requires no technical expertise to use. However, its limitations such as range, environmental dependence, and potential legal concerns mean it is not a foolproof solution for all privacy needs.

For users seeking basic protection against unintended audio capture in small to medium spaces, this device can be a practical addition to their privacy toolkit. However, those requiring absolute security (e.g., in high-stakes or legally sensitive situations) should combine it with other measures, such as physical security, encryption, or dedicated privacy-focused devices.

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### **Recommendation**

If you are looking for a **simple, portable, and non-invasive** way to deter casual audio recordings in a specific area (e.g., a home office, bedroom, or small meeting space), the **Puguan SB-03 is a reasonable choice**. It is particularly useful for individuals concerned about smartphone or laptop recordings in close proximity.

However, if you need **comprehensive protection** such as in a large room, against professional-grade recording equipment, or in a legally regulated environment supplement this device with additional measures like:

- **Physical barriers** (e.g., soundproofing, locked rooms).

- **Encrypted communication tools** (e.g., secure messaging apps).

- **Hardware-based privacy solutions** (e.g., microphone jammers with broader coverage).

Always ensure compliance with local laws regarding electronic interference before purchasing or using such devices.

Details:

DUAL INDEPENDENT CONTROL: Body buttons fan control remote control privacy protector. MULTIFUNCTIONAL: Privacy protection wireless charging cooling fan; stylish design for home office. Key Features. Multi functional Audio Privacy Protector 192 Ultrasonic Transducers Anti-Recording Device 2-5M Range - Wireless Charging Remote Control.

192 ULTRASONIC TRANSDUCERS: 4 working surfaces 48 each, 115dB at 1m; disrupts 98% of digital/analog recording devices. Wireless charging: Only supports IQ-enabled devices. Home private living rooms. Excessive obstacles: Thick barriers reduce shielding performance.

Open office areas. 360 FULL COVERAGE: horizontal 90 vertical; 2-5m effective range for all-round protection. Business negotiation spaces. 24/7 CONTINUOUS USE: External power supply, no battery limits.

Large conference rooms. WIRELESS CHARGING: Top IQ wireless charging pad for mobile devices. Recommended Use Scenarios. Executive offices.

Too close to sound source: Distance.

specifications surveillancegadgetgo:

  • brand: Puguan
  • mpn: Sb-03
  • power source: External Power
  • response time: Real Time
  • effective range: 2-5m
  • year manufactured: 2025, 2026
  • ultrasonic transducers: 32 Custom Units
  • operation: Remote Control
  • power supply: External 100v-240v
  • working time: 24/7 Continuous
  • unit type: Unit
  • manufacturer warranty: 1 Year
  • item height: 330mm
  • synergy: Multi-device Cooperation, No Howling
  • item width: 120mm
  • surveillance technology: Anti-recording Device
  • remote control: 10m Range; One-key Centralized Control
  • color: Gray
  • material: Plastic Body With Central Remote
  • coverage: 360 Horizontal 90 Vertical
  • working temp: 30 55
  • type: 192 Ultrasonic Transducers Anti-recording Device
  • shield intensities: 115db At 1m
  • product style: Ceiling Speaker Style
  • connectivity: Wireless
  • country of origin: China
  • item weight: 1.67kg
  • location: Indoor Only

offer surveillancegadgetgo:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: May 10, 2026
  • quantity: 1
  • best offers: True

general surveillancegadgetgo:

  • condition: New
  • Home Surveillance > Home Surveillance Parts Accessories > Other Surveillance Parts Accessories

shipping surveillancegadgetgo:

  • type: Calculated
  • carrier: UPS, FedEx, USPS
  • transit: 19-30 Days
  • service: UPS Ground Saver, FedEx Ground Economy, USPS Media Mail
  • cost: $10.39
  • class: Economy

returns surveillancegadgetgo:

  • time: 30 Days
  • paid by: Buyer
  • policy: Returns Accepted
  • method: Money back

seller surveillancegadgetgo:

  • # reviews: 0
  • city: Princeton, New Jersey
  • rating: 0.0%

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power source: external power, response time: real time, effective range: 2-5m, year manufactured: 2025, 2026, ultrasonic transducers: 32 custom units, operation: remote control, power supply: external 100v-240v, working time: 24/7 continuous, unit type: unit, manufacturer warranty: 1 year, item height: 330mm, synergy: multi-device cooperation, no howling, item width: 120mm, surveillance technology: anti-recording device, remote control: 10m range; one-key centralized control, coverage: 360 horizontal 90 vertical, working temp: 30 55, type: 192 ultrasonic transducers anti-recording device, shield intensities: 115db at 1m, product style: ceiling speaker style, connectivity: wireless, country of origin: china, item weight: 1.67kg, location: indoor only,
category: electronics > home surveillance > home surveillance parts accessories > surveillance parts accessories, color: gray, material: plastic body with central remote, sku: 7776235782835853,
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