GSM Switch As GSM Controller

The GSM-SWITCH is to be a versatile option as a Single Output Relay system with normally open and closed contacts to provide a low cost solution for a wide range of applications only requiring a simple GSM Switch.

It is activated by calling its cell phone number; it will reject the call without answering and switch on the device connected to it.

There are no call costs incurred when dialing the unit, it will recognize an authorized telephone number calling it and reject the call without answering.

The system is able to load up to 250 numbers in the white list as authorized users and the single output relay can be programmed to switch on for a pre-determined length of time whenever the GSM-SWITCH is called, alternatively the output relay can be permanently switched on or off by sending the GSM-SWITCH a text message.

Application For GSM Switch

GSM Switch as GSM Gate Opener

The GSM Gate Opener incorporates a professional industrial grade GSM engine that receives calls at its SIM number, as any ordinary GSM phone. The system operates in the GSM module Tri-band 900/1800Mhz or Quad-band 850/900/1800/1900Mhz. Just to give an example, if your SIM has a phone number 9228 9810, that is the number you have to call to open the gate. The system has a memory where you will store the numbers of people enabled to open your gate (up to 250). When the Gate Opener receives a call, it will check the calling number and if the number is in the list you have prepared it will reject the call and open the gate.

GSM Switch as GSM Heating Controller

A single relay device to allow remote control of a boiler for heating using a normal GSM mobile. There is the availability to turn it on and off and to verify its state without using phone credit. The internal mobile uses a standard GSM SIM card or prepaid SIM card.

When a call is received the device checks if the calling number is in its internal list. Once the number is valid the following sequence of events occurs

GSM Switch As Controller For Electrical Appliances

GSM Remote Control is an interesting business. There is a lot of application we never even think about, but it happening. When our dealer told us that they need the GSM switch to control the washing machine, our first re-action is same like most of the peoples – Why need to control washing machine?

There are a lot of electrical appliances renting house in Europe, Australia and New Zealand. They are not only renting washing machines, they offer cookers, freezers, dishwashers at very affordable rates. The target market is for students, short term rent or commercial rental. When their customer did not pay for the rental, they will call to switch off the washing machines, cooker or any electrical appliance. This is the solution to control their customer continuous to pay for their bill.