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HONGKONG KOON TECHNOLOGY LTD
Video intercom KNZD-20W

Video intercom KNZD-20W

Product catalog summary

Overview: The KNZD-20W video intercom is designed for use in challenging environments such as railways, metros, and tunnels. It features a robust stainless steel construction and is equipped with a single CALL/ANSWER button. The device is engineered to withstand outdoor conditions and vandalism, meeting European/UK telephony standards, IP65 waterproofing, and lightning protection requirements.

Main Features:

Constructed from stainless steel, offering durability and temperature resistance.
Handset-free operation with a loudspeaker.
Automatic lightning protection compliant with ITU-T K21 standards.
Waterproof rating of IP65, upgradeable to IP67.
Metal shell with grounding connection for electromagnetic shielding.
Supports hotline calls with automatic disconnection.
Manufactured using SMTC technology for high quality.
Available in super thin, smart design with embed or hanging style options.
Optional call duration limit of five minutes with automatic disconnection.
ISO9000(2000) certified.

Technical Specifications:

Compatible with SPC exchange systems with a voltage range of 33-60V.
Operates in temperatures from -30°C to +60°C and humidity levels of 10%-95%.
Ringing sound level exceeds 70dB(A).
Standard frequency ranges for low and high frequency groups with specific deviation limits.
Call transmission index suitable for up to 5KM with specified SLR, RLR, and STMR values.
Memory capacity for dialing 12 groups of numbers, each up to 16 digits.

Camera Specifications:

Model: GD－B261C with 1/3 OV7949 CMOS pickup device.
Effective pixels: 268(H) x 586(V) / 510(H) x 496(V).
Scanning system: 2:1 Interlaced Scanning with internal synchronization.
Sharpness: 420 TV lines.
Minimum illumination: 0 Lux/F2.0 with IR.
Video output: 1.0vp-p, 75Ω.
Auto white balance and backlight compensation.
Operating temperature range: -20°C to 60°C, with a maximum relative humidity of 95%.

Packaging Details:

Machine dimensions: 320 x 205 x 80 mm.
Carton dimensions: 340 x 235 x 165 mm.
Packaging includes pearl cotton and carton materials.
Gross weight: 3.3 KG, Net weight: 2.6 KG.

Catalog excerpts

Video intercom KNZD-20W The emergency call telephone will be designed to work on railway, metro, tunnel, etc. Housed in stainless steel 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. 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) HONGKONG KOON TECHNOLOGY LTD TEL:Q086755 29790158/27448753 Fax:0086755 29790278 Em ail: marketing® koontech.com www.koontech.com

Open the catalog to page 1

Telephone Layout 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...

Open the catalog to page 2

Packaging specifications! Machine size:320 *205 *80( mm ) Carton size:340 *235 *165( mm ) Packaging material: pearl cotton, carton Gross weight:3.3KG Net weight:2.6KG HONGKONG KOON TECHNOLOGY LTD TEL0086755 29790158/27448753 Fax:0086755 29790278 Email:[email protected] www.koontech.com

Open the catalog to page 3

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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