include LED display panel, watch type pager reveiver, and user call button with board , could transmit 300m

1. user call button

1. Valid calling distance 1000m2. Calling angle 0-360 degrees 3. Battery DC9V/250mA4. Antenna impedance 50Ω5. Transmit frequency 315MHz or 433MHz                                                 

 6. size: 86×86×40mm 

2. LED display panel

1. Frequency: 315MHz or 433MHz2. capacity: control 256 user buttons3. Power supply: 220V±10% 50HZ 4. calling number memory: maximum 32 call numbers  5. Size: 380×115×50mm6. Volume output: 2W, 3 music to choose 7. working distance: 1000m 8. calling number save time: 1-30 minutes adjustable

3. watch type pager receiver

1. Frequency: 315MHz or 433MHz2. Calling number capacity: 10 3. Power supply: 650mAh 3.7V Polymer lithium ion battery 4. Working methods: temperature: 0~40°C relative humidity: ≤80%  5. Size: 259 L×53W×17Hmm (with watchband)stand time is 120hours, can work continously 72hours

Working methods:

1. When clients need service.

2. press the calling button putted on table

3. at the same time, the LED display and watch pager receiver will receive the calling table numbers.

4. the waiter check the calling information and go to service.

wireless waiter calling system