Rainproof Wireless Paging Call System for Construction Site

Specification of Receiver K-998A

1 with high strength Plastic,durable in use

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

3 Show 2-digit number and can show 3 groups of number at the same time. 

4 It can work with 99pcs 1-key or multi-keys call buttons in max

5. Can show different service type , if work with mutli-keys call bell buttons.

6 It can save 20 calling info in turn,and apply in basic service places. 

Technical parameters:

Working voltage:DC 9V
Working current:<20mA
Working Frequency:315MHz±75k 
Dimension:260*120*42mm

The Specification of callbutton K-L

 1.Wall Installed, waterproof 

 2.work with our receiver to combinedthe wireless calling system

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

   calling  no will be shown on thereceiver ,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

Delivery time:sample orsmall order within  3 days and bulk order withinone week.

Payment: T/T.Western union .Paypal.Escrow 

Warranty:12Months