- Contact Person : Mr. song Richard
- Company Name : NSK (Shenzhen) Technology Co., Ltd.
- Tel : 86-755-33262794
- Fax : 86-755-29881891
- Address : Guangdong,Shenzhen,No.87,Zhuangcun,New 2 Industrial Zone,Xinqiao,Shajing Town,Baoan District,ShenZhen,China
- Country/Region : China
- Zip : 518125
two wire video door phone
No. | Parameter | Description |
1 | Model No: | 7420CX |
2 | Voltage Requirement | DC15V from monitor, |
3 | Power Consumption | Stand by less than50mA, Working less than100mA, |
4 | Connection method | 4 wire; |
5 | Communication | Simultaneous type |
6 | Communication Duration | 60s(+/-20%) |
7 | Communication Distance | AWG #22-26, 50-100 meter |
8 | Operating Temperature | -10 degree-+40 degree |
9 | Weight | Net: 0.22Kg, Gross: 0.32Kg |
10 | Dimensions (mm) | 272*95*35mm |
the specification of 7135TW:
No. | Model No. | 7135TW |
1 | Working Voltage | DC12V, +/- 10% (Power from the monitor) |
2 | Working Current | Stand by,0 mA; Working less than30mA, |
3 | Connection Wire | 2 wires for audio, 2 wires for lock |
4 | Communication System | Synchronization |
5 | Ambient Temperature | -10°Cto +40°C |
6 | Weight (g) | NW: 0.16kg GW: 0.36kg |
7 | Dimensions(mm) | 140*97*40MM |
8 | Protection Level | IP54 |
two wire video door phone
