When customer need order food ,he just need to press the button on the table.The table No. will show on the screen of receiver .Then waiter will know who's calling. Then he go to this table and write down what's they need. Waiter will take order to kitchen .When order is ready ; kitchen(chef) will put number from K-999 device .Then order No. will show on the screen of receiver  Then waiter will know which's table's food is ready and go to pick up the food and take it to guest.

Specification of keypad transmitter K-999:
1. With high strength ABS material cover
2. Using digital code technology and the function is steady and reliable
3. It can call 999 persons
4. With power on/off function
5. With Clear and Next function
6. Can work with K-236, K-300, K-302, K-402NR, K-2000, K-800, K-4-C, K-4-D, K-10 receiver
Technical parameters:
Signal Range: >500m in open area
Working voltage: DC12V
Working current: <20mA
Working Frequency: 433.92mhz
Dimension:160*118*60mm


Specification of display receiver K-2000:
1. With high strength high strength ABS shell , durable in use
2. Show letters + 3-digit number. 
3. Show different service type with letters: C=Call, b=Bill, d=Drink.
4. It can work with 999pcs 1-key or multi-key call buttons in max
5. It can save 30 calling info in turn, and apply in basic service places.
6. Improve service level restaurant server for wireless calling system
Technical parameters:
Working voltage: DC9V
Working current: <20mA
Working Frequency: 433.92mhz
Dimension: 282*150*34mm


Specification of call bell K-D2
1. Water-proof
2. Work with our receiver to combined the wireless calling system
3. Can be installed on each table, when the customer need help only press the button, the calling no will be shown on the screen, so everyone can easy to know who is calling.
4. 2-key: Call;Cancel
5. Material: PC
6. Color:White;Blue;Black;Yellow; Red. 
Technical Parameter:
Working voltage: DC12V
Working current: ≤35mA
Use Frequency: 433.92mhz
Transmitted Power: ≤10mW
Transmitted Distance>300m in open area
Dimension : 60*60*22mm
Any language any LOGO acceptable