EmergencyI ndustrial device telephone Vandal resistant weatherproof phone KNZD-28LCD

Product Application

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 tpfor use in wet or co

Main Features

1. Robust Metal body very strong.

2. With or without keypad. Auto dial，

3. LED indicator to inform you there is a coming call

4. Robust and weather resistant, Wearable and moisture proof IP65

5. Dual purpose design for wall or desk mounting, simple installation

6. Industry standard robust handset with stainless armoured cord

7. Well treated metal hook switch.

8. Matching with most PABX, PBX and PAX systems. Standard RJ11 Connector

Technical specification:
1. Perform condition:

temperature：-10℃~+50℃

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±0.2︰1.0

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；

Machine Parts

Metal body
PCB Board
Dial pad
Speaker

Product Application

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 tpfor use in wet or co