Many motorists choose car alarm with obatnoy bond (with pager) try to find and select the car alarms as much as possible with a greater range of action, on the same car alarm on the box says 1000 km, and on the other even 1500 km, all these distances are measured somewhere far away from the field, radio interference and power lines, in reality, the range of all modern car alarms in urban areas about 300-400 meters for example from 25 ground floor to the entrance, it is restricted to the small size remote control transmitter and battery should stick. But do not be upset, for lovers of long-range connection, many manufacturers began producing firms and sale of car alarms with the function to connect the gsm module. When you connect the gsm module to a car alarm you will be able to fully manage and control the car alarm from his mobile phone and receive cmc messages about the causes and areas of operation of car alarms on your mobile phone within range of its gsm network operator ie will link you are always in touch with your car where ever you are in the country, in another city or even in another country. Sending and receiving messages to control the car alarms going through the communication channel gsm. Management of alarm systems interactively using commands entered from the telephone with direct dialing or sending sms messages. Execution or performance of any team is confirmed when you send a voice message or sms response, respectively. Control of car alarms and receive alerts triggered signaling during the invasion of the car. Signal transmission from the car alarm button on the phone programmed. Ability to listen to the car interior on and disarming car Pre-operative off or ground-level shock sensor Remote start and remote stop of the engine (for systems running the engine) Enabling (remote engine blocking) request the current state of car alarm notifications, sent by the module when an alarm is triggered: Dial the programmed number and notification of opening doors, hood, trunk, ignition is switched on, off the parking brake or foot brake is pressed, firing the level of shock sensor and additional sensors Russian-language voice message alert about opening doors hood, trunk, turn on the ignition, turn off the parking brake or foot brake is pressed, triggers the ground-level shock sensor and additional sensors sms message c Russian-language text of the notification disconnecting the battery or the battery voltage drops below a certain threshold by SMS