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In the construction of an IP broadcasting intercom system, the back-end server can be regarded as the "brain" of the entire system. It is responsible for data processing and storage to ensure real-...

Explosion-proof telephones are used in flammable and explosive places such as power plants and chemical plants. They are equipped with couplers and are also called coupler explosion-proof telephones.

Explosion-proof intercom phone are widely used in workplaces where explosive gases are present. They are quite different from civilian phone and conventional ones in the presence of explosions.

0.5W civilian walkie-talkies: The communication range indicated by the manufacturer is usually 1 to 3 kilometers. However, after testing, in open areas, the communication range is generally within ...

What is explosion-proof? It refers to preventing explosions.

According to the frequency and duration of the occurrence of explosive mixtures, gases and vapors should be classified

Strong current and weak current are wired separately and run through their own pipelines.

The maximum distance between the speaker and the voice station is 30 meters. 2. The shielding layer of the speaker cable must be well grounded. 3. The speaker cables are not divided into positive a...

When laying bus cables, environments with strong electromagnetic interference should be avoided.

For centralized power supply mode, the power supply of the telephone station should be fully taken into account.

At present, the third-generation anti-noise products in China utilize dynamic noise reduction (DNR) technology.

Many industrial sites, such as oil and chemical enterprises, thermal power plants, coal preparation plants, steel mills and port terminals, etc