Overview
AlarmNet LTE communicator — cellular module for Total Connect 2.0 and central station reporting (LTE-X/C/V, LTEM-XT, LyricLTE, ProSeries LTE, etc.).
Without reliable cellular reporting, remote arm/disarm and central station signals stop when phone lines or broadband fail. Match the exact module SKU to your panel model and dealer platform before truck roll.
At a Glance
| Specification | Details |
|---|---|
| Role | Cellular AlarmNet path |
| Carriers | AT&T, Verizon, Bell — SKU specific |
| Platforms | Total Connect 2.0; central station via AlarmNet |
| Install | Panel-specific mounting and antenna routing |
What This Device Does Well
Provides reliable supervised status at the panel and Total Connect 2.0 when installed, enrolled, and range-tested correctly.
Before You Service or Replace One
- ICCID and carrier — verify active SIM on correct network.
- Module-to-panel pairing — VISTA vs Lynx vs ProSeries vs Lyric slot compatibility.
- Antenna path — internal vs ANT5XL external routing.
- Dealer platform — Total Connect 2.0 activation tied to specific module SKU.
Official Sources
- Resideo product page
- Cellular Antennas Data Sheet (English)
- LTE Family Data Sheet (English)
- LTE Communicator Compatibility Chart (English)
- Cellular Antennas Data Sheet (French)
- Cellular Antennas Data Sheet (Spanish)
- LTE Family Data Sheet (French)
- LTE Family Data Sheet (Spanish)
- LTE Communicator Compatibility Chart (Spanish)
- LTE Communicator Compatibility Chart (French)
- LTEM-PA and LTEM-PV Advanced Modular Communicator Sell Sheet (Spanish)
- Advanced Modular Communicator (Spanish)
Use official Resideo install PDFs and install guides for exact wiring, enrollment, and firmware — specifications vary by SKU and region.
Troubleshooting
Quick diagnostic flow
- Confirm exact model/SKU on label matches official install guide.
- Clear panel AC and cell troubles before diagnosing wireless devices.
- Read zone trouble — tamper and low battery before "missing."
- Verify 5800 Series vs SiX encrypted sensor matches panel hardware.
- For cell modules: ICCID, antenna, RSSI, and dealer platform match.
- Power-cycle panel only per dealer policy — document user codes first.
Symptom-based fixes
| Symptom | Likely cause | Fix |
|---|---|---|
| Zone missing | Range or battery | Replace battery; add 5800RP repeater or receiver placement |
| Encryption trouble | Wrong sensor series | Use SiX on ProSeries/Lyric or 5800 on VISTA/Lynx |
| Cell fail persists | SKU or activation | Correct LTE module; dealer activates Total Connect 2.0 |
| Z-Wave won't include | Prior hub pairing | Exclude from old controller; include near panel |
| Takeover false alarms | Wired loop fault | Check EOL wiring; verify burglary-only zones |
| Cannot arm | Open zone or trouble | Status screen — secure or bypass per policy |
Testing checklist
| Test | How | Pass criteria |
|---|---|---|
| Cell signal | Installer RSSI/cell test | Above minimum per guide |
| Total Connect 2.0 ping | Dealer portal or app | Panel shows online |
| Signal forward | Test signal to central | Central station ack (monitored accounts) |
After replacement
Delete old zone, enroll new hardware, update zone name, run walk test, and notify monitoring dealer if central station records zone numbers.
Source: AlarmNet LTE install and activation guide; Resideo official documentation.