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Hongkong Koon Technology Ltd.

Prison Telephone, Industrial Telephone, Metro Telephone manufacturer / supplier in China, offering Desk Type Telephone for Emergency Call Knzd-28 Kntech, Koontech SIP Intercom Board Kn518 IP PCB Board, Telephone Set Landline Phone Factory Phone Corded Telephones Emergency Telephone and so on.

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Desk Type Telephone for Emergency Call Knzd-28 Kntech

This product is currently unavailable, but you may contact the supplier directly, for further interest.
Basic Info
  • 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
Product Description
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.


Characteristics:
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

Applications:
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:
Temperature: -10º C~+50º C
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
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