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附近的彩票投注站福清 > Products > More Telephone > Desk Type Telephone for Emergency Call Knzd-28 Kntech

南通市港闸区福利彩票投注站查询:Desk Type Telephone for Emergency Call Knzd-28 Kntech

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Basic Info

附近的彩票投注站福清 www.vmzqow.com.cn 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 附近的彩票投注站福清 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:-10oC~+50oC????
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

?

0Km

5K

Transmit echo assess

≥+2dB

≤+12dB

Receive echo assess

≥-8dB

≤-1dB

Side voice conceal assess

≥+3dB

≥+10dB

?


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