433Mhz Wireless Calling System Signal Enhancer Repeater

It is used in model receiver and transmitter, when there is a long distance between the receiver and transmitters, which means that the distance between receiver and buttons are more than 200 meters, we can use Y-Q4 to enhance the signal

1. Signal repeater is used to enhance the signal further for model receiver and transmitter, when the distance is over 3000 meters between receiver and pager or the wall obstacle between them

2. The better place for it to be installed is in the open area,or the linear distance between the receiver and the pagers.