Door Phone Intercom System Knzd-45 Voice Intercom System Door Phone

Door Phone Intercom System Knzd-45 Voice Intercom System Door Phone
Main Features of door phone KNZD-45:
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. Hearing Aid Compatible

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)

Built-in Inductin loop

An induction loop has been provided to assist hearing aid users.

Please switch your hearing aid to the T position.

Supply Voltage: 12v DC





Specification of door phone KNZD-45:
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: < 60dB(A)

3. Sound level of ringing: >70dB(A). 1W speaker

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)

More about us
HongKong Koon Technology Ltd is the most professional manufacturer in Asia, The exclusive supplier for all Metro project in China.
We are the leading professional manufacture of most complete production line of IP66/IP67 emergency telephone, SOS phone, telephone, elevator telephone, tunnel trackside telephone, highway emergency phone.They are IP or PSTN/analogue telephone and wireless GSM 2G 3G. phone line powered, solar powered, or AC powered.
More than 100 models, different colors, different type of mounting, CE, FCC, IP66, ITU-T, ISO9001, EN50121 approvaled. ATEX DNV certificate under process.
Koontech KNZD-45 Door phone Application:
indoor: Airprot, transtation, bank,koisk, elevator, university, hotel, hospital, plant, oil and gas.
outdoor: tunnel, highway, marine, outdoor station, construction, bridge, steel, mine, army, scenic region,
Successful project in recent:HK MTRC contract XRL851, LRT Project in Malaysia, Bangalore Metro, HONGKONG KAIDA tunnel,HK MTR,Italian Metro,BKK Red Line Thaliand,
IKITELLI metro project, Mumbai metro in Indea, NSR project in Saudi,BHP Billiton australia, CSN Brazil, Chalco China, story bridge Austrialia,HSBC bank, China bank, ICBC, HK airport, Frankfurt France, BeiJin airport, Beijin University, HK university, etc.
About 2016 KNTECH KNSP-15 Waterproof tunnel telephone, dust proof telephone of IP network industrial intercom telephone station market:
Our emergency telephone industrial phone are widely accepted in countries in North America such as USA, Canada, in European countries such as UK, Germany, France, Netherlands, Greece, Sweden, Ireland, Swiss, Austria, Luxembourg, Belgium, Italy, Spain etc. and Russia.
Access control intercom one button doorphone