Restaurant table call system  3  keys transmitter with watch receiver 

How it works                                                                                                                    

system configuration

(1) Transmitter--- SYT200 (for guest use)

(2) Signal Receiver---ZJ-41E   (for finacial use)

This wireless transmitter bells are typically placed on or attached to each table. When a guest wants his or her server, he/she presses the button of a service bell, which sends a signal to the central receiver. The Receiver displays numbers, usually table numbers, which the guest has sent, and flashes briefly and beep sounds to indicate that a new call has been received.

Specifications and pictures                                                                                                

Transmitter--SYT200

Specifications

SYT-200	Specifications
	Product size	60*60*10mm
	Color	Red
	Working voltage	DC12V (CR2025×2)
	Working frequency	433.92MHz
	Working current	≤26mA±5mA
	Encoded mode	learning code
	Modulation Method	(OOK)
	Working temperature	-10℃~+50℃

Signal Receiver---ZJ-41E 

 Specifications

ZJ-41E	Specifications
	Voltage	DC3.6-4.2V    3.7V Lithium Battery
	Frequency	315MHz or 433.92MHz
	Sensitivity	108±2dBm
	Decoding	Learning Code
	Capacity	Support 126 transmitters
	Alert mode	beep, vibration
	automatic detection of battery charge