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Wireless calling receiver 200m  500m  1000m  2000m  waterproof Home>>All products >>Wireless calling server
20-channel queue calling system

Model: ZJ-68(20)

1~20 keyboard only for fast pressing number

  Detailed instruction

In some place, the store or shop provide self-service. Each customer gets a number and find a place to wait. When it is his turn, the server will call his number, but don't know where he is. Maybe the customer cannot hear the call while he is doing something else. Is there anything can help them?

Of course, they can use the queue wireless calling system.

Such calling system is opposite to normal. The server press the transmitter button, but each customer gets a receiver (of couse, mini one). Then no need long queue.

This one is 20 channels version, the keypad is from 1 to 20, press one of them, it sends the wireless signal directly.


20 call buttons for fast calling

Fashionable design

RF wireless technology

Vibration/Buzzer prompt optional

Built-in rechargeable battery

Technical Data
Keypad call button
Working voltage DC5V/6A power adapter
Working frequency 433.92MHz
Standby current 24±5mA
Transmitting current 100±30mA
Encoder learning code
Modulation AM
Color deep purple
Dimension 150*300*33mm
Working votage

DC3.7V (rechargeable Li-poly battery)

Charging votage


Working frequency 433.92MHz
Standby current 10±5mA
Working current

75mA±10mA (vibration)

Receive sensitivity -107dBm±2dBm
Battery capacity 360mAh (standby about 48h)
Decoder learning code
Modulation AM
Color deep purple
Dimension 49*101*11mm


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