Everyone needs to get out of the house sometimes, but we all know we're still vulnerable when our things are only protected by lock and key. The DoorSpy's magnetic sensors detect if your door is opened, and automatically trigger a text message to you*. This multi-function alarm is simple to operate and is easily installed by any user in a home, office, store, or warehouse. This device works with SIM cards** enabled with the following technology:
Global Systems Mobility (GSM). GSM technology was developed for effortless installation, increased user mobility, integrated telephony, switched and packet data support, facsimile, and text messaging services.
Location Based Services (LBS). LBS convert geographical coordinate’s latitude and longitude to something meaningful to you. Assisted GPS (A-GPS) overcomes the low data rate of conventional GPS and extends GPS coverage to indoor locations.
Assisted GPS (A-GPS). A-GPS overcomes the low data rate of conventional GPS and extends GPS coverage to indoor locations.
*Please note the following: