Detailed Product Description

NSK DWL Video Door Phone system is a new generation digital wireless system. In this design, digital audio and digital video signals are integrated and encrypted in a same 2.4G channel, Permitting 2 camera units and 2 motors in one system, with low interference.

1. Maximum 2 cameras and 2 monitors same time in a system.

2. Choosing 2.4G ISM digital public frequency resource: 2402~2483.5MHz.

3. Transmitting at 20dBm,Receiving -100dBm;

4. With 8~12 digital audio serial input, DAC output, 8K audio acquisition for good audio quality. And audio volume preset able in 4 levels.

5;MJPEG digital video coding and decoding, 10~15 frames per second.

6. Reliable audio/video communication distance 150m in open area.

7. With AFH auto frequency jumping technology, working with 2.4G WIFI and blue tooth same time.

8. With auto sleeping mode, saving battery consumptions in stand by status.

9. With external power supplier for camera units DC3.6-6V, with this consideration, the lock can not be open from outside camera unit, but signal from monitor.

10.Random 40 bit encryption for digital audio and video to secure the communication.

11.Random communication channel jumping and synchronization, no interference from same products installed nearby.

12.With communication, monitoring and remote lock opening functions.

13.Permitting monitor to monitor communication, like walky talky features.

14.Digital camera and digital 2.4 inch TFT LCD in the system for good image quality.

Basic Information
Company Name: NSK (Shenzhen) Control Technology Co., Ltd.   
Business Type: Manufacturer  
Product/Service
(We Sell): Video door phones,audio door phones,video intercom system,access control systems,car parking systems,CCTV products,alarm systems  
Brands: NSK   or  OEM
Number of Employees: 101 - 500 People 
Main Markets:

North America                                   South America                          Eastern Europe
Southeast Asia                                 Africa                                        Mid East
Eastern Asia                                     Western Europe
Main Customers:  Target, HomeDepot, CCTV Outlet
Total Annual Sales Volume: US$10 Million - US$50 Million  
Export Percentage: around  60%  
Trade Shows:

1) Hong Kong Electronics Fair (twice every year); Hong Kong. China
2) Canton Fair (twice every year); Guangzhou. China
3) Globalsources Fair Munbai (2008-11);Munbai.India
4) Sao Paulo Fair(2007-5); Sao Paulo.Brazil  

Factory Information
Factory Size (Sq.meters): 50,000-100,000 square meters  
Factory Location: No. 87, Zhuangcun, New 2 Industrial Zone, Xinqiao Shajing Town, Baoan District, Shenzhen, China  
QA/QC: In House  
Number of Production Lines: 8  
Number of R&D Staff: 51 - 60 People  
Number of QC Staff: 81 - 90 People  
Management Certification: ISO 9000/9001/9004/19011: 2000   ISO 14000/14001   Others  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered