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F12 Voice Blocker Device - Protect Conversations From Eavesdropping
US$325.00
2-99 sets
US$300.00
100-499 sets
US$280.00
500+ sets
Sample price:US$340.00/piece.Request sample
Product profile
Customization
AvailableFrequency Range
Anti-RecordingFrequency
Anti-MicrophoneModel NO.
F12Application
Conference CenterModelnumber
F12Function
Voice Recorder DeviceWarranty
12monthsProduct Name
Anti Voice Video Recording DeviceTransport Package
Neutral PackingTrademark
HiSeaOrigin
Guangdong, ChinaHS Code
8543892090Production Capacity
50000PCS/MonthKey features
66 Transmitter Heads: Ultrasonic control with sound source detection, completely harmless to humans.
Wide Anti-Recording Range: Effective coverage up to 8 meters (26.2ft) for mobile phones and video screens.
High Capacity Battery: Built-in 9800mAh lithium battery supports up to 8 hours of continuous operation.
360-Degree Coverage: Full 360-degree anti-recording direction for comprehensive protection.
OEM Customization Available: Customizable frequency, band, control distance, and silkscreen printing.
Simple Operation: Easy to use right out of the box for both experts and novices.
Durable Metal Construction: Made of high-quality metal and electronic components for reliability.
Universal Voltage Support: Compatible with 100-240V input voltage for global use.
Company profile

Vecano Electronics Co., Ltd.Guangdong, China
Business Type: Manufacturer/FactoryExport Year: 2009-12-01Average Response Time: ≤3.46hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, CIF
AI-Powered supplier vetting
SummaryVecano Electronics Co., Ltd. is identified as a China-based manufacturer/factory specializing in security, protection, telecom, and electronics products, particularly RF jamming and signal-related equipment. It reports ISO 9000, ISO 9001, and ISO 20000 certifications, five production lines, 21–30 quality-control staff, and R&D engineer experience of 6–10 years. The supplier has exported since 2009, reports 90% export sales, and serves markets across multiple global regions. Off-peak lead time is stated as within 15 working days, while peak-season fulfillment may require 2–3 months. The available information does not substantiate after-sales capability, customization capability, customer cases, or financial credibility. The contact-record information is incomplete and does not establish representative qualifications.
Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and a limited company based in Shenzhen, China. Its stated business focuses on security, telecom, electrical, and consumer electronics, with product keywords centered on RF jammers, amplifiers, detectors, and anti-drone modules.
CertificationsThe supplier reports holding ISO 9000, ISO 9001, and ISO 20000 management-system certifications. These stated certifications provide explicit evidence of formal quality and service-management systems, although no certificate numbers, issuing bodies, or validity dates are provided.
R&D capabilityThe company states that it focuses on product development and marketing, describes HISEA as its registered brand and an RF-jamming innovator, and reports 6–10 years of total R&D engineer experience. These statements explicitly support the presence of development capability, though they do not establish the novelty or performance of specific innovations.
Production capacityThe supplier reports five production lines, 21–30 quality-control staff, a factory location, and export operations dating from 2009. It also states an off-peak lead time within 15 working days, while peak-season fulfillment is listed as 2–3 months, indicating established production operations but potential peak-season capacity constraints.
Product Q&A
Q:What payment methods are accepted?
A:
T/T, Western Union, Paypal, and Credit Card are available. For other methods, please contact us with more details.
Q:What is the delivery time for stock items?
A:
Small equipment in stock is expected to be shipped within 2-5 days after payment is received.
Q:Can I customize the frequencies?
A:
Yes, we can customize 2G/3G/4G/5G/LoJack 173MHz, VHF, UHF, Walkie-talkie, interphone, 433MHz, 315MHz, 868MHz, 450MHz, iDEN, CDMA, GSM, GPRS, DCS, PCS, AWS, WCDMA, UMTS, 3G, 4G, LTE 700, LTE 800, LTE 2300, LTE 2600, GRPS L1, GRPS L2, Galileo, Compass, Glonass, WIFI, Bluetooth, WIMAX, UAV, Drone, 5.8G, etc.
Q:What should I do if I don't know the frequency in my country?
A:
Please feel free to contact us with your inquiry, we will find the frequency you need and address your problems.
Q:What is the warranty period?
A:
The product comes with a 12-month warranty.
Send Inquiry
*To:
Vecano Electronics Co., Ltd.
Vecano Electronics Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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