Place of Origin

Guangdong, China (Mainland)

Brand Name

KOON/OEM

Model Number

KNZD-20

Type

video phone

Material

Stainless steel

Handset

No

Keypad

No

Loudspeaker

Yes

Door

No

Size

320*205*80mm

Wearable

Yes

Waterproof

Yes

Vandal resistant

Yes

Lightening Protection Degree

ITU-T K.21

Matching with most PABX, PBX and PAX systems.

1.  Main body with whole stainless steel body, solid and temperature bearable

2.  Handset free, loudspeaker,

3.  Resume lightning proof protection automatically standard to ITU-T K21

4.  Waterproof grade is IP65(can improve to IP67)

5.  The metal shell is provided with grounding connection device and is absolutely insulated with inner circuit and electric , then has the effect of electromagnetism shield.

6.  Support hotline call, can realize ring off automatically if the other side close.

7.  Totally adopt SMTC craftwork keep very good quality.

8.  The design is super thin and smart. Embed style and hanging style can be chosen. 

9.  Every call is limited(set by five minutes), auto ring off if time exceeded. (Optional)

10.The telephone has passed the certificate of ISO9000(2000)

Applications:

As Public telephone for indoor or outdoor, elevator phone, 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

Specification:

Main technical indexes:
1. Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 33-60V.
2. Ambient temperature: -30 ~ +60 degreeRelative humidity: 10%~95%Atmospheric pressure: 86~106Kpa Circumstance noise: less than 60dB(A)
3. Sound level of ringing: over 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)