Does A 2GIG GC3 Require An Internet Connection?

The 2GIG GC3 control panel does not require an internet connection. The 2GIG GC3 actually has a built in WiFi module, but at this time 2GIG does not support WiFi / Internet communication. When 2GIG does offer WiFi communication, a panel firmware update can be made to enable the integrated WiFi module.

The 2GIG GC3 requires a cellular communicator to send signals to a central monitoring station and to connect to

The compatible GC3 cellular communicators are:

2GIG CDMAV-A-GC3, Verizon, 2GIG 3GA-A-GC3, AT&T, and 2GIG 3GR-A-GC3, Rogers (Canada)

Only authorized 2GIG dealers can activate the cell communicators. Each cell communicator comes with its own SIM card (AT&T, Rogers) and no other sim card should be used. Users will need to provide the dealer with the serial number (ADC number for Verizon units, IMEI number for AT&T and Rogers), which is found on the communicator itself.

The benefits of connecting to a central monitoring station are; trained operators are monitoring alarm systems 24/7 and will dispatch authorities if needed. When a burg signal is received at a central monitoring station, a trained operator will first call the user's contact list to verify a false alarm. If no contact, or if a user provides the incorrect password, the operator will dispatch authorities. If a duress or panic alarm is received, the operator will not call the contact list, they will dispatch authorities immediately.

The benefits of connecting to; users can remotely control the alarm system, home automation devices, and view video surveillance, if applicable, from any computer, Android, or iOS device. Users can also set up notifications (text or email) to be sent to them for events of their choosing.

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The SIM card data charges are taken care of by and you get access to the service through a dealer like us. You wouldn't need your own T-Mobile SIM and there's no way to get features without paying some level of monthly service.
Nope. Tmobile has great (free) plans for IoT device communications which I was hoping to use with the 2Gig.
Do you have a Tmobile phone? That does not affect your choice of cellular communicator. Although there is not a T-mobile cellular communicator the system will be able to reach your Tmobile phone. The system will dial out using Verizon or AT&T to reach the server. Then the server is capable of communicating down to your mobile device via Tmobile. Just select VZ or AT based on which has better service locally.
Do they have an option that will work with Tmobile?

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