Industrial Loud Speaking Telephone

Product ID: KNSP-08

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2.highway call box
3.power plant, steel plant
7.other hazardous environment which has the demand of damp proof , fireproof , dustproof, freeze proof and anti jamming, especially for the place with big noise.
1. Cabinet: aluminum alloy die - casting, high anti - violent, able to glisten, convenient for looking for ( optional).
2. Door cover: adopt the stainless steel spring joint , orient automatically and good self - closing, with spring mounted inner door axis , the cover can auto flip back and the lock can be auto locked , additional lock can be mounted for better protection.
3. Handset: made of special engineering ABS plastic, high anti - knock resistance. high tensile strength resistance and high anti - violent.
4. All of the components including handset telephone receiver and transmitter, keypad, buzzer, circuit board and cabinet are designed to be multi - layer waterproof and dust - proof which is up to Class III grade.Ring volume enlarging function: For normal telephone, the workers in the plant have no way to hear the telephone ring in case of noise around over 90db, then leads to the product attemper dictate can??t be transmitted in time and affect economic loss. KNSP - 08 can solve this problem well with a 20W high voice loudspeaker connected. When used as call machine and under the condition of ring electricity being on, the telephone can auto open power source inside, enlarge the ring volume and give voice through the loudspeaker. At the same time it can auto count the ring times. After several times(the phone itself is set for 5times), the phone can auto dial, the calling side can broadcast and its voice can spread to the workers nearby or other maintenance workers through loudspeaker.
7. After the following condition being solved, the public - address system will stop.
A. caller stops before the ring times reach the set times (5 times).
B. Receive the busy signal or reversed polar signal from Core Switch after the caller finish the calling step.
C. Silence time over 80S while calling.
D. Someone pick up the handset and start the conversation
8. During the calling, the called side can also pick up the handset and start the conversation. The public - address system is auto closed.
9. The called side can also talk during the ring time.

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