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Home > Products > More Telephone > Desk Type Telephone for Emergency Call Knzd-28 Kntech

Desk Type Telephone for Emergency Call Knzd-28 Kntech

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Basic Info

Model No.:  KNZD-28

Product Description

Model NO.: KNZD-28 Analog,IP Poe,GSM: Optional Keypad: No Auto Dial: Yes Color: Red Button: No Specification: CE, RoHS, ISO9001: 2008, SGS, IP66, FCC, EMC HS Code: 8517180090 Material: Cold-Rolled Steel Vandal Resistant: Yes Handset: Yes Brand: Kntech Water Proof: IP65 Trademark: Kntech Origin: Shenzhen, China Desk type Telephone for emergency call KNZD-28 Kntech

The emergency call telephone will be designed to work on railway, metro, tunnel, etc. Housed in robust aluminium box with one CALL/ ANSWER button, it will offer protection against the outdoor environment and vandals.
The unit will meet all the latest European/UK standards telephony, waterproofing IP65, and lightening protection together with offering the level of performance and reliability demanded in such an environment.
        DTMF(Dual Tone Multi Frequency)
        Matching with most PABX,PBX and PAX systems.
        Hotline call, As soon as you pick up handset the phone will put through.
        Robust Metal body very strong.
        With or without keypad. Auto dial,
        LED indicator to inform you there is a coming call
        Robust and weather resistant, Wearable and moisture proof IP65
        Dual purpose design for wall or desk mounting, simple installation
        Industry standard robust handset with stainless armoured cord
        Well treated metal hook switch.
        Matching with most PABX, PBX and PAX systems. Standard RJ11 Connector

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
Technical specification:
1. Perform condition:
relative humidity:45%~95%  
atmospheric pressure:86~106Kpa,   
environmental noise:≤60dB
2. Main technical index:
work frequency:300HZ~3400HZ  
sound level of ringing: 80db
3. Dial number
A : Pulse dial :the break ratio of pulse dial : 1.6±0.21.0
 speed of pulse dial:10±1 times/s
B. DTMF dial:
Low frequency:697.770.852.941HZ ;      
High frequency:1209.1336.1477HZ
Frequency deflection:≤1.5%; 
low frequency electricity plane:-9±3dB; 
high frequency electricity plane:-7±3dB
gap of low and high frequency electricity plane in frequency group:2±1dB;
4.Feature of electrical sound




Transmit echo assess



Receive echo assess



Side voice conceal assess




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