Overview
The 2GIG GC3 (and GC3e encrypted variant) is a touchscreen all-in-one wireless security panel with built-in Z-Wave home automation, 345 MHz wireless sensor support, optional LTE cell modules, and Alarm.com interactive services when paired with a compatible communicator.
The panel is the brain of the 2GIG system: it supervises wireless zones, drives local sirens, manages Z-Wave automation, and reports to Alarm.com (or your dealer monitoring platform) when a compatible cell module is installed and activated. Installers program zones, user codes, and dialer options in the installer menu; end users arm/disarm from the touchscreen, keyfobs, or Alarm.com app.
At a Glance
| Specification | Details |
|---|---|
| Role | Primary alarm panel + 7-inch touchscreen |
| Wireless sensors | 345 MHz 2GIG / 345S family; eSeries encrypted where supported |
| Automation | Z-Wave Plus devices via panel radio |
| Cellular | Optional GC3 LTE modules (Alarm.com, ADC, SecureNet — SKU specific) |
| Programming | Installer menu on panel; user codes for arming |
| Backup power | Internal rechargeable battery |
| Typical use | Residential/small commercial DIY and pro installs |
What This Panel Does Well
Coordinates intrusion zones, automation, user codes, and central station reporting when cell and monitoring are configured.
Before You Service or Replace One
- Exact panel model — GC2 vs GC3 vs Edge — firmware and modules differ.
- Encryption — GC2e/GC3e/Edge vs standard sensors in the field.
- Cell module SKU — Alarm.com vs ADC vs SecureNet vs Telus.
- Installer code — required for zone changes; document before service.
- Alarm.com dealer — account status, plan, and remote programming access.
Official Sources
- 2GIG product page
- 2GIG Panel Firmware Update Paths - TB2019-08-21
- 2GIG Warranty and Repair Information - Dated 05/01/2018
- 2GIG GC3/3e Firmware 3.2.5 Update - Release Notes Dated 01/2020
Use official 2GIG PDFs and install guides for exact wiring, enrollment, and firmware — specifications vary by SKU and region.
FAQs
Which 2GIG panel do I have?
Check label and installer paperwork — GC2, GC3, and Edge use different modules, firmware, and screen layouts. GC2e/GC3e support encrypted eSeries sensors.
Why does my panel show cell failure?
Usually inactive SIM, wrong module SKU, weak RSSI, or antenna fault — run installer cell test and verify Alarm.com/dealer activation.
Can I add sensors myself?
Wireless enrollment requires installer code on the panel for new zones — end users typically cannot add sensors without installer access.
Standard vs encrypted sensors?
eSeries (suffix e) sensors require panels with encryption support (GC2e, GC3e, Edge). Mixing without support causes enrollment failure or encryption trouble.
Where is official documentation?
- 2GIG product page
- 2GIG Panel Firmware Update Paths - TB2019-08-21
- 2GIG Warranty and Repair Information - Dated 05/01/2018
- 2GIG GC3/3e Firmware 3.2.5 Update - Release Notes Dated 01/2020
Primary reference: 2GIG GC3/GC3e install and programming guide; GC3 user guide
How do I test after installation?
Use panel walk test, zone status, and (if monitored) central station test per dealer procedure.
Can I mix 345 MHz and ePlus sensors?
ePlus 900 MHz sensors require XCVR2 transceiver hardware — they do not enroll on the standard 345 MHz receiver alone.
Which 2GIG panel do I have?
Check label and installer paperwork — GC2, GC3, and Edge use different modules, firmware, and screen layouts. GC2e/GC3e support encrypted eSeries sensors.
Why does my panel show cell failure?
Usually inactive SIM, wrong module SKU, weak RSSI, or antenna fault — run installer cell test and verify Alarm.com/dealer activation.
Can I add sensors myself?
Wireless enrollment requires installer code on the panel for new zones — end users typically cannot add sensors without installer access.
Standard vs encrypted sensors?
eSeries (suffix e) sensors require panels with encryption support (GC2e, GC3e, Edge). Mixing without support causes enrollment failure or encryption trouble.
Where is official documentation?
- 2GIG product page
- 2GIG Panel Firmware Update Paths - TB2019-08-21
- 2GIG Warranty and Repair Information - Dated 05/01/2018
- 2GIG GC3/3e Firmware 3.2.5 Update - Release Notes Dated 01/2020
Primary reference: 2GIG GC3/GC3e install and programming guide; GC3 user guide
How do I test after installation?
Use panel walk test, zone status, and (if monitored) central station test per dealer procedure.
Can I mix 345 MHz and ePlus sensors?
ePlus 900 MHz sensors require XCVR2 transceiver hardware — they do not enroll on the standard 345 MHz receiver alone.