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The difference between the scope and application of UPS and EPS power
The difference between the scope and application of UPS and EPS power UPS working principle and classification UPS working principle is to use the...What is an infrared sensor
What is an infrared sensor Infrared sensing system is used for the infrared measurement system for the medium, according to the function can be divi...How the Magnetic contact sensor works
How the Magnetic contact sensor works? Magnetic contacts are the most common sensing devices for sensing opening and closing of doors and windows. The...Active infrared and passive infrared alarm features, differences and application
Active infrared and passive infrared alarm features, differences and application Works for the infrared emission of infrared emission tube infrared...Security in the GSM system
Security in the GSM system As a result of recent mainstream controversy involving David Beckham’s alleged text messages, some articles have been publ...Emergency resettable alarm button
Emergency resettable alarm button       Emergency resettable alarm button,it can be installed in the fire hydrant box as...SMQT's Access Control Products Passed ISO Certification
SMQT's Access Control Products Passed ISO Certification On March 27th, 2018, SMQT passed the strict inspection, test and evaluation of the company...How to choose Standalone control Keypad
Quality and performance advantages anddisadvantages of Standalone Access control keypaddirectly affects the stability of the accesscontrol system,...How to buy a home burglar alarm products
[Abstract] home burglar alarm product is the use of various types of peripheralfunctions detectors, space, environment and people's overall housing te...How to install the access control system?
How to install the access control system? There are a number of responsibilities which come with the owning and operating of a business. Wit...
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Postal Code: 518109
Phone: 86-755-82838361 / 62/63
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RS485 access controller
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C/S framwork Four Door TCP/IP and RS485 Access controller EA-804
Model:EA-814
Communication way:TCP/IP / Rs485 optional
Software:Free PC software
Size:221*140*17mm
Suitable for:Access control system /Burglar alarm system/Fire alarm system
Material:PCB board
Color:Black
Weight:0.8kg
Optional accessories:Metal box power supply
Warranty:2 years warranty
OEM:Welcome OEM More
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secure high-performance door access control attendance system
Product Name: Secure high-performance door access control attendance system
Model: EA-83DK
Frequency: 13.56 MHz
Dimension: 96*96*22 mm
Induction Distance: 60 mm
Operate Voltage: 12VDC±3 VDC
Temperature: -30~66 degree
Operate Current:less than 100 mA
Communications Format: RS-485
Consumed Power: less than 1W
Transmite Speed: 9600 bps( N,8.1)
Card Type: Card
Registered Users: 10000
Open Mode: card/ card+codes/ UID+Super Codes
Capacity of Records: 10000
Flash card indication: Buzzer / LED light
Memory: 4M bits
Humidity：10% ~95%
Weight： 268g More