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  • Alarm.com | Dual-Path Commercial Fire Communicator with AT&T + Verizon Auto-Select, 10-Pack | ADC-FC100-T10-AT-VZ-D
Dual-Path Commercial Fire Communicator with AT&T + Verizon Auto-Select, 10-Pack
  • Carrier Dual
Alarm.com

Dual-Path Commercial Fire Communicator with AT&T + Verizon Auto-Select, 10-Pack

SKU ADC-FC100-T10-AT-VZ-D

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A UL Listed, NFPA 72 fire communicator that carries two carriers in one box. Both an AT&T and a Verizon nano SIM ship pre-installed and pre-activated, so the coverage question at a given address gets answered on site rather than by ordering the wrong carrier and waiting for a replacement.

Built for the commercial fire installer

Four reporting configurations are supported from the same hardware: dual path over LTE and Ethernet, dual cell over two LTE carriers, single path Ethernet, or single path cellular. Dual cell is the one worth knowing about, because it satisfies a two-path requirement at a site where there is no usable network drop and no willingness to share the customer's LAN.

The board carries four supervised inputs, three relay outputs and an open-collector output, and speaks ContactID and SIA. Run it at 24 VDC where possible, which drops the current draw to 160 mA against 230 mA at 12 VDC. Two LTE antennas, the plastic enclosure and a mounting bracket are in the box.

Note this part number is the 10-pack for distribution, not a single communicator.

Key features

  • Both carriers pre-installed and pre-activated, so coverage is resolved on site not by reordering
  • Dual cell mode satisfies two-path requirements where no usable network drop exists
  • UL Listed and NFPA 72 for commercial fire applications
  • Four supervised inputs and four outputs for panel interfacing without add-on boards
  • ContactID and SIA for compatibility with existing central station receivers
  • Lower draw at 24 VDC, 160 mA against 230 mA at 12 VDC

System requirements

Requires 12-28 VDC (24 VDC recommended) from the fire panel, and an Ethernet connection for paths that use it. Supplied as a 10-pack. Installation must comply with NFPA 72 and local fire and electrical codes.

Specifications

SKUADC-FC100-T10-AT-VZ-D
BrandAlarm.com
Form factorPCB with plastic enclosure and mounting bracket
Communication pathsLTE cellular (dual-SIM) and Ethernet LAN
Supported configurationsDual Path (LTE + ETH), Dual Cell (LTE + LTE), Single Path ETH, Single Path CELL
CarriersAT&T (US and Canada), Verizon (US)
Cellular bandsLTE B2, B4, B5, B12, B13, B66
Cellular radioTelit LE910C1-SNXD
SIMs included2x Nano SIM, pre-installed and pre-activated
Supported protocolsContactID, SIA
Voltage supply24 VDC recommended (acceptable 12-28 VDC)
Current draw230 mA @ 12 VDC, 160 mA @ 24 VDC
Inputs4x supervised (100 mA / 30 VDC max)
Relay outputs3x (1 A / 30 VDC max)
Open-collector output1x (0.6 A / 36 VDC max)
Operating temp32°F to 120°F (0°C to 49°C)
Operating humidity0% to 93%, non-condensing
PCB dimensions6.4 x 2.9 in (163 x 73 mm)
Enclosure dimensions6.77 x 3.35 x 1.38 in (172 x 85 x 35 mm)
Included accessories2x LTE antennas, plastic enclosure, mounting bracket
ComplianceUL Listed, NFPA 72
Distribution pack10-pack for distribution

Documents and resources

FAQs

Is this SKU compatible with any fire alarm control panel?
The FC100 accepts ContactID and SIA on its supervised inputs and captures DTMF dialer output from legacy panels, so it works with virtually any commercial FACP. DTMF capture makes it a clean drop-in for POTS takeovers.
Are the SIMs pre-activated?
Yes. Both Nano SIMs (AT&T and Verizon) ship pre-installed and pre-activated in the communicator. No separate SIM ordering or provisioning is required before install.
What happens if one cellular carrier loses coverage?
The communicator auto-selects the strongest carrier between AT&T and Verizon. If one drops, it fails over to the other SIM without a truck roll. On the dual-SIM SKU this also enables dual-cell fallback where Ethernet is unavailable.
Is a POTS line still required?
No. The FC100 replaces the POTS line entirely. Dual-path LTE plus Ethernet is the reporting path. DTMF dial capture is only used to accept the panel's existing dialer output; no external phone line is needed.
Can this be programmed and monitored remotely?
Yes. Configuration and firmware updates run remotely through the Alarm.com Partner Portal and MobileTech app once the communicator registers on the account. Event history and signal strength are visible in the same interface.
Is the FC100 UL Listed for commercial fire?
Yes. The communicator is UL Listed and NFPA 72 compliant for commercial fire alarm monitoring applications.
What voltage does the communicator run on?
24 VDC is recommended, with an acceptable range of 12 to 28 VDC. Current draw is 230 mA at 12 VDC and 160 mA at 24 VDC. Most commercial FACPs supply this from the auxiliary output.
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