security phone vandal resistant telephone Auto dial phone KNZD-09 elevator phone
USD $1 - $210 /Set
Min.Order:1 Set
Koon Technology (Shenzhen) Ltd.
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specifications
1. Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 33-60V.
2. Ambient temperature: -30 ~ +60 degreeRelative Relative humidity: 10%~95%
Atmospheric pressure: 86~106Kpa Circumstance noise: <60dB(A)
3. Sound level of ringing: >70dB(A).
4. Standard frequency: low frequency group: 697, 770, 852, 941Hz,
high frequency group: 1209, 1336, 1477Hz, frequency deviation: -1.5%~+1.5%
If service line is a 3Km signal-level:
Standard frequency: low frequency group: -12dB~-6dB, high frequency group: -10dB~-4dB, level difference between low and high frequency of compound signal: 1dB~3dB, the total distortion caused by intermodulation of harmonic wave is lower than the basic level by at least 20dB.
5. Call transmission index: (5KM)SLR<12, RLR<-1, STMR>10, output impedance is 600 Ohm.
6. Super strong function is available for dialing 12 groups of numbers stored in the memory (maximum length of each number is16 digits)
1. Main body with whole aluminum alloy with stainless steel front plate.
2. Handset free, double loudspeaker, with indicator display while speaking.
3. Lightening protection to ITU-T K.21
4. One memory keypad. Illuminated buttons optional
5. Adjustable 7 minute timeout optional
6. Waterproof grade is IP65
7. Support hotline call, can realize ring off automatically by the receiver
8. The design is super thin and smart. Embed style and hanging style can be chosen.
9. Size:according to customer's request.
Metal body
PCB Board
One button
Dial pad
Speaker
Microphone
As Public telephone for indoor or outdoor, Taxi or bus stands or station, Highway call box
Railway, metro, ATM machines side, Tunnel, Port, Dock, Mines, Generation facilities.
A good ideal telephone for use in wet or corrosive atmospheres.
The telephone is compatible with most of simulative or digit telephone distance control exchanger. Mainly used as handset free sound telecommunication in hazardous work environment.
* Inquiry and consulting support.
* Sample testing support.
* View our Factory.
* Guide how to instal the device, guide how to use the device.
* Engineers available to service online .
91.8% Response Rate
91.8% Response Rate
91.8% Response Rate