Remote Control Audio Recording Jammer Counter Eavesdropping Device RecordingShielding System WS-4

1. Introduction

WS-4 recording shielding system is a new type of recording shielding system developed by our R&D team in combination with our existing products and customer needs. It consists of two sets of mainframes, each with four signal transmitting terminals and stepless power adjustment knobs. The two sets of mainframes are simultaneously opened and arranged around the illegal recorders to achieve recording shielding.

In order to ensure the shielding effect, the system is based on two sets of shielding hosts, which can not be less than two, but can be increased. Each host software adopts a mute encryption algorithm based on logo, which ensures that recording files can not be decoded and decomposed. This algorithm is widely used in mobile phone data encryption and is extremely safe. Silence adopts adaptive silencing technology, which ensures the concealment and security of visitors without any discomfort after booting.

WS-4 has a good shielding effect on the latest mainstream mobile phones on the market, such as MATE20, P20pro, and iPhone X/XR/XS/XSMAX.The double swords are all the rage for illegal recordings.

2. Technology

3. Features

• Flexible use, two sets as a basic configuration, can flexibly increase the host according to the scene, to achieve better shielding effect.

• Flexible operation, remote control can be used to open and close multiple sets of mainframes at the same time.

• Flexible configuration, each host can work independently, flexible layout, arbitrary placement, a key to start.

• Flexible and portable, each host is equipped with batteries, easy to carry and use.

• Adaptive silencing technology ensures quietness in use.

• Output effective power up to 98%.

4. Maintenance

1. The jammer needs no special maintenance.

2. Do not use chemical solvents or prevent water from entering into the device when cleaning its surface.

3. When not use, the device must be placed in dry and ventilated places, to avoid its contact with salty mist and noxious gases.

4. The warranty period is one year. It is repaired free of charge for three years and maintained for life, only need buyer bear the shipping cost it has.

5. Application Place

1.Meeting room, party and government organizations, enterprises and small medium and large conference rooms, concert halls, and etc.

2. At places where using recording device is prohibited such as government, military, finance, security, police and command center etc.

6. Warranty: one year from delivery date

7. Packing Details:

2pcs Audio Recording Jammer Host

2pcs AC Adapter

1pcs Protective box

2pcs Remote Control

Estlonda founded in 2003, its predecessor was Longhua Estlonda Electronics Factory in Baoan District, Shenzhen. It’s a national high-tech enterprise which is engaged in the research and development, production and sales of wireless communication equipment. We are also the strategic partner in the field of 5G private network and 5G multi-functional smart pole wireless communication for State Information Center (National E-Government External Network Management Center). Also as a certified enterprise by the Ministry of Industry and Information Technology and the National Radio Commission, and the vice president company of Guangdong High-Tech Industry Chamber, Emergency Governance Society of Shenzhen and Shenzhen Smart Street Light Association.

We are mainly focused on the R&D and manufacturing of 5G mobile phone signal jammers, 5G base station, 5G gateways, 5G core network, 5G private network, 5G public network blind filling and other communication equipment, as well as a 5G multifunctional smart pole solution provider. As the first and largest manufacturer in China to produce mobile phone signal jammers, we are with a market share more than 80%. The Chinese headquarters is located in Longhua District, Shenzhen, and the foreign headquarters is in Hannover, Germany. There are two R&D centers in Nanshan, Shenzhen and Nanjing, Jiangsu. Our R&D team is mainly composed of outstanding R&D personnel in communications from Silicon Valley in the United States and major semiconductor universities in Belgium.

With 5G technology and product research and development as the core, and relies on the 5G+ multifunctional smart pole industry foundation to build smart cities, smart campuses, smart parks, smart scenic spots, smart emergency, smart roads, smart ports, smart mines, smart ports, smart factories, smart terminals, and etc., we provide research and development, production of 5G core network, 5G base station, 5G gateway and other private network communication equipment, and 5G global private network solutions, provide 5G private network services for digital factories, digital parks, digital governments, and digital China, to solve the communication and interconnection problems in various places without communication methods and network signals.

As a leading wireless communication equipment manufacturer and solution provider, our products and solutions have been widely used in schools, prisons, troops, conferences, confidentiality, enterprises, finance, electricity, coal mines, public security, hospitals, ports, government agencies, transportation systems and other fields, in the same track with Huawei and ZTE. It has participated in the formulation of national standards many times, obtained a number of patents and soft works, and has passed the ISO9001 international quality management system. It is a qualified supplier of China Mobile Communications.

In addition to in-depth cooperation with China's four major carriers, central enterprises, and state-owned enterprises, we also participates in the testing and construction of 5G public networks of telecom operators in Hong Kong Telecom, Brunei, Palau, Southeast Asia and other countries. In the future, we will also cooperate with partners to participate in overseas operators testing and construction of 5G communication network.