FAQ
The proposed purchase
How to buy
Logistics proposal
Complaints proposals
Suggested use
Problem description
 
 
 
 
 
 
 
 
 
 
 
FAQ
How to choose a suitable unit for your project?
 

How to choose a suitable unit for your project?

1. gsm band or 3g frequency is important for you to ensure which units can works well in your area.

2. how many input/output you need?

3. what kind of input you need? nc/no digtal signal or analog (4-20ma,0-5v,etc) or rs485 modbus meter?

4. what's the purpose of your project? sms alarm, gprs data logging or both?

5. enclosure should be ip67 or above or the regular case?

contact our sales for more information,we look forward your requests:

info@gsmalarmsystem.com

 
Reading:2504 Issused Time:2014-07-25 【Print】 【Add Favorite
 
 
版权所有 ©2008- King Pigeon Hi-Tech.Co.,Ltd. All Rights Reserved
地址:5/F,Building F,Yusheng Industrial Park,Jiuwei,Xixiang,Bao'an District,Shenzhen,518126,China.
电话:0086-755-2906 3895 Ext:804 806 809