Airport telephones

Sound level: 80 dB

... the call system, the product has an automatic gain function, and the voice does not vary with distance or telephone quantity. 6.Telephone circuits within the integrated circuit using internationally ...

Sound level: 80 dB

... the call system, the product has an automatic gain function, and the voice does not vary with distance or telephone quantity. 5.Telephone circuits within the integrated circuit using internationally ...

Sound level: 70 dB - 80 dB

... saving a lot of time and improving work efficiency. We specializing in the production and sales of Analogue telephone Stainless steel telephone indoor flash mount type with camera Can make group calls ...

Sound level: 70 dB

... help communication in public places such as airports emergency call box, highways call, and railway stations.We specializing in the production and sales of Emergency Phone SOS device telephone defend ...

Sound level: 85 dB

KNZD-53 Auto dial Telephone We are the manufacturer of Dust and water proof telephone anti-knocking mining telephone waterproof emergency telephone for fire alarm zone ...

Sound level: 80 dB

This Rugged Airport Telephone is designed to meet the needs of client who experience loss through vandalism. Housed in stainless steel box and manufactured to a high standard, this Rugged Telephone ...