Radio transmission pack 433mhz radio transmission pack r4w, n°1 alarme radio transmission coding

Dimension transmitter 63x94x30mm . Weight 60gr . Supply 9Vdc . Consumption 10/80mA . Dimension receiver 60x95x30mm . Weight 90gr Supply 12Vdc . Consumption 10/80mA
This system of transmission allows to send, through radio waves, a message (Under the shape of an electrical signal) from a transmitter to a receiver. The application of radio transmission is large, specially for alarm system: usually the thieves sabotage the telephone network and neutralize your telephone transmitter; to avoid this situation, you must install your telephone transmitter at the neighboor or a friend and, equipped with a transmision pack, your alarm system will be able to activate it at distance. The radio transmission range which is proposed to you, should allow you to find the product which adapt itself to meet your needs.

To transmit 4 informations from 1 alarm in a fixed place to another place, it is necessary to forecast:
• 2 mains supplies (ref. T700)
• 1 transmitter 433MHz 4 channels (ref. R4TF)
• 1 receiver 433MHz 4 channels (ref. R4RF)
• 2 outside aerials (ref. U43)