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elevator emergency phone factory

Utility Tunnel Emergency telephones
Emergency telephones for utility tunnel purpose made of aluminium alloy material by die casting. The telephone waterproof is rugged and durable. Body-integral, Strong flame retardancy and low-temperature resistant. Special sealing design can ensure complete waterproof grade up to IP66. Waterproof, dustproof and moisture-resistant. The telephone waterproof widely used in tunnel and outdoor. Most metro and high-speed rail project need install IP66 telephone for emergency communication.

Model: CDU-AUX
Size: 492*302*185mm
Ambient Temperature: -40℃ to 50℃
Relative Humidity: 10% to 95%
Atmospheric Pressure: 80-110 kPa
Ambient Noise: ≤60dB
Operating Frequency: 300-3400 Hz
Sending Loudness Rating(SLR): 5- 15dB
Receiving Loudness Rating(RLR): -7-2dB
Side Tone Masking Rating(STMR): ≥7dB

Utility Tunnel Emergency telephones

elevator emergency phone factory products

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Weather-proof Telephone

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SOS Emergency telephone

This SOS emergency handsfree telephone is a telephone that specifically addresses of indoor industry. The telephone is rugged and durable and the pecial sealing design can ensure smooth operation, dustproof...

Utility Tunnel Emergency Call Box

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Industrial Telephone

Industrial telephone is a waterproof, dust proof, electrostatic Discharge. The industrial telephone uses aluminum alloy die-casting shell, high mechanical strength and strong impact resistance. And its appearance is firm and...

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