Magnetic sensors. In addition to their use in reed relays, reed switches are widely used for electrical circuit control, particularly in the communications field. Reed switches actuated by magnets are commonly used in mechanical systems as proximity sensors.
An autodialer is an electronic device that can automatically dial telephone numbers to communicate between any two points in the telephone, mobile phone networks. Once the call has been established (through the telephone exchange) the autodialer will announce verbal messages to the called party.
The Automatic telephone dialer is an instrument that can automatically dial a fixed number of telephone numbers and deliver a message at each of the telephone numbers, without the help of any operator. The telephone numbers and the message can be stored by the user (in his own voice) and can be modified whenever required. When this instrument is activated, it starts dialing the telephone numbers in sequence and delivers the recorded message on each of the stored numbers. The system can re-dial to take care of busy numbers. The system works on normal telephone line.
GSM - 16+1 Zone Control Panel with built in GSM Voice and SMS Dialer, Home Automation System with 8 Appliance Control, Automatic Arming and Disarming, Remote Access through Telephone and Separate 4 Line LCD Remote Key Pad (included). Inbuilt Power Supply.
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