Cheap Construction Site Wireless Service Calling System

Wireless Service Calling System 1. Build an comfortable enviroment for construction site 2. Improve level of construction site

       Cheap Construction Site Wireless Service Calling System ; can show 20floors calling in one time

Specification of receiver K-20 :

1  Use digital code technology and the function is steady and reliable

2   can show 20 numbers at the same time. 

3  It can work with 20pcs 1-key  in max

Technical parameters:

Working voltage:DC12V~18V Working current:<20mA Working Frequency:315MHz±75k 

The Specification of call button

 1.Wall Installed, waterproof 

 2.work with our receiver to combined the wireless calling system

 3.Can be installed on table or wall ,when the worker need help only press the button,the

   calling  no will be shown on the receiver ,so other work can easy to know who is calling.

Technical Parameter:

Working voltage: DC12V

Working current: ≤35mA

Use Frequency:  315MHz±75k

Transmitted Power: ≤20mW

Transmitted Distance>1000m in open area

Warranty:12 Months

FAQ

Applications

Wireless calling system can be used in restaurants, hotels, hospitals, tea house, coffee shops, health clubs, beauty salon, spa center, bars, swimming pool, beach, etc

What are the components of the wireless calling system?

1. Wireless receiver, installed on the count  

2. Call button, installed on each table

3. Signal repeater (optional), enhance the signal

How does the system works?

When the worker presses the call button , their number will appear on the reciever with ringing. The worker on the lift will know who's calling need and go to there .

Cheap Construction Site Wireless Service Calling System