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 3 informations from one alarm of a fixed place to another 2 fixed places, it is necessary to forecast:
• 1 transmitter 31MHz 1 channel (ref. TELECOM) • 1 interface 8 channels (ref. ITFTLC)
• 1 aerial 31MHz (ref. GP31) • 1 cord (ref. C2)