What Is Radio Airtime?

The long-distance telephone broadcasting system is composed of fixed telephones or mobile telephone systems that have been popularized in rural areas. When emergency situations such as fires, flash floods, snow disasters, emergency conference notices, or rich people's news are notified to villagers, no matter what The local can start the remote telephone broadcasting system by dialing a fixed telephone or mobile phone remotely, and directly start all the broadcasts in the village and town to notify the villagers.

Telephone broadcast

With the continuous warming of the global climate and the increase in harsh environmental meteorology, rural areas account for two-thirds of the world's population and area. China is a large agricultural development country with a large rural population. In order to solve rural information communication and improve farmers' morality And scientific and cultural quality, in order to achieve the goal of building a well-off society in an all-round way and build a harmonious socialist society, in order to facilitate the service of the masses, enrich the amateur life of the masses and improve people's living standards, the use of modern communication technology and computer technology in a practical and economical way, convenient installation In principle, our company has launched a rural (wireless) remote telephone broadcasting system that is particularly suitable for urban-rural junctions and remote mountainous areas. It can realize program transmission, sudden major disaster information broadcasting and emergency meeting notifications, and timely convey the party's care to the masses. Around. It can also be used as a broadcast for sports events or various events.

1. This system has stability, practicability, economy, compatibility, flexibility, high equipment utilization, convenient use, and strong anti-interference ability of the system. It is convenient for investment and maintenance of installation and maintenance.

2. Each telephone broadcasting terminal can be connected to power amplifier, mixer, computer and so on.

3. The machine comes with 220V output power to supply power to the external amplifier. When broadcasting is needed, the power of the amplifier is automatically turned on, and the power of the amplifier is automatically turned off after the broadcast.

4. This machine can be used for automatic conference call.

5. It has the characteristics of wired and wireless broadcast calls, intelligent broadcast, automatic on and off, unattended, group call, point call and so on.

6. Optional automatic recording system for more than 8000 hours, easy to find historical broadcast call records, easy to find and analyze the cause of the accident.

Model one EVA-F100T

1. Use landline local telephone or extension number to access, you can dial the number from landline, mobile phone or PHS remotely.

2. The machine has a preset password management. When you dial remotely, you need to enter the correct and valid password to turn on the device to prevent harassment.

3. The machine has a 220V power socket output to supply power to the amplifier, automatically manage the power of the amplifier, automatically turn on the power of the amplifier before broadcasting, and automatically turn off the power of the amplifier after broadcasting. The machine can also provide a short-circuit output trigger signal to facilitate connection with other automatic broadcasting systems.

4. The local audio source can be inserted, and when your village needs broadcasting, you can start the power amplifier device to make announcements, and you don't need to repeat the equipment installation, causing unnecessary waste.

Model two EVA-F200T

1. Using the embedded mobile phone module method, a mobile phone card number is installed inside, and the number can be dialed from a landline, mobile phone or PHS remotely.

2. The machine can preset multiple sets of phone number management. The device can only be turned on when using the preset number for remote dialing, otherwise the device cannot be turned on to prevent harassment.

3. The machine has a 220V power socket output to supply power to the amplifier, automatically manage the power of the amplifier, automatically turn on the power of the amplifier before broadcasting, and automatically turn off the power of the amplifier after broadcasting.

4. The built-in SD card storage module of the machine can record the audio source to be played in the SD card; it can automatically identify the alarm level of the front end and start the corresponding music signal. For example, the blue alarm level, yellow alarm level, and red alarm level are preset on the front end, multiple sound sources are pre-stored in the SD card, the front end sends text messages with different alarm levels, and the machine automatically recognizes the sound source signal corresponding to the alarm level playback line.

5. The computer room can be equipped with a GSM broadcast host, which is controlled by computer + system software to achieve control on the computer. There are multiple opening methods such as single message sending and group sending. In case of an emergency, it is necessary to start the short message group sending function when emergency notification is sent to multiple terminals. In the computer room, multiple terminal devices are used to send emergency broadcast notifications. When a single village is required to be notified by artificial voice, a single device can be remotely opened in a computer room through a computer to speak with a microphone, or a terminal device, a mobile phone, or the like can be directly used to open a terminal device for notification playback.