Overview
DMP LTE cellular communicator (263LTE, 265LTE, FirstNet SKUs) — cellular alarm reporting path for XR/XT panels.
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 alarm communicator |
| Carriers | LTE SKUs — verify ATT/Verizon/FirstNet variant |
| Install | Antenna routing and account activation |
What This Device Does Well
Provides reliable supervised status at the panel and central station / Dealer Admin 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 — DMP vs DMP XR vs Reliance vs Entré slot compatibility.
- Antenna path — internal vs ANT5XL external routing.
- Dealer platform — central station / Dealer Admin activation tied to specific module SKU.
Official Sources
Use official DMP 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 1100 Series 1100 Series vs hardwired vs 433 MHz expander 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 433 MHz expander or receiver placement |
| Encryption trouble | Wrong sensor series | Use 1100 Series on DMP or wired on DMP XR DGP |
| Cell fail persists | SKU or activation | Correct LTE module; dealer activates central station / Dealer Admin |
| 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 |
| central station / Dealer Admin 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: DMP LTE communicator installation guide; DMP official documentation.