SH-104/HT Waterproof Loudspeaker Phone

The SH-104/HT amplification call outdoor telephone is based on the anti harsh environment special telephone produced by our factory, and has added call function. The amplification call control part adopts advanced software analysis technology, which has the characteristics of advanced function and reliable operation. The power amplifier output circuit has high power and clear sound. It can be widely used in unmanned places such as power plants, substations, industrial and mining areas, airports, and docks that require calling, broadcasting, and intercom.
1、 Characteristics:
1. It has automatic picking and hanging control functions, and can automatically enter and exit the public address call state.
2. Equipped with busy tone detection function.
3. It has reverse polarity detection function.
4. Equipped with line mute detection function.
5. The number of incoming ringtones can be adjusted.
6. When the phone is in standby mode, it has zero power consumption.


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