PMMA material board, could transmit 300m,having indicator when calling through, add antenna, up to 1000m.
1. user call button with board
Size: W113×H203×W60MM(With board)Calling distance: 300M,1000M(with antenna)Calling angle: 0-360 degreebattery: 23A/12Vantenna impedance: 50ΩFrenquency: 315MHz or433MHz
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.
waiter calling button with board
