Overview
The LE2077 LTE/HSPA cellular communicator adds 4G/LTE reporting to IMPASSA SCW9055/9057 self-contained systems, replacing older 3G modules where carriers have sunset 3G service.
Reporting path
LTE / HSPA cellular (IMPASSA)
At a Glance
| Detail | Value |
|---|
| Product type | Alarm communicator / reporting module |
|---|
| Model family (LE2077) | See label and install manual |
|---|
| Reporting path | LTE / HSPA cellular (IMPASSA) |
|---|
| Primary manual | LE2077 Installation Manual NA; Impassa LE2077 Spec Sheet |
|---|
| Region / listing notes | North America LE2077 SKU — confirm LTE band with carrier before install |
|---|
Before You Install or Replace One
- Confirm exact model number on the communicator label matches the install manual.
- Verify host panel family — Keybus PowerSeries, Neo Corbus, MAXSYS Combus, IMPASSA integrated, or universal dialer-capture are not interchangeable.
- Confirm monitoring receiver and account accept this communicator format (Contact ID, SIA, IP, cellular).
- Check carrier/network generation (3G sunset, LTE band, Ethernet path) for your region.
- Add communicator current draw to panel battery standby calculation where the module loads from panel bus power.
Official Sources
- Product page: DSC LTE Cellular Alarm Communicator (ID 2669)
- LE2077 Installation Manual NA; Impassa LE2077 Spec Sheet — DSC official documentation
Compatible Peripherals
This page lists which alarm panels and related equipment work with this communicator — not wireless sensors or keypads.
Host panels & systems
| Host system | How it connects |
|---|---|
| IMPASSA SCW9055 / SCW9057 (433 MHz) | Integrated LTE alt-comms — enroll per LE2077 install manual |
Related accessories
- WT5500 / WT5500P wireless keypads (same system)
- Carrier-approved SIM and monitoring account
- LTE antenna extension kit if metal enclosure blocks signal
Not compatible
- PowerSeries Keybus panels
- Neo Corbus communicators (TL280/TL880)
- Universal 3G4010/LE4000 standalone dialer-capture units
Central station / receiver notes
Universal and T-Link products require a monitoring receiver that accepts the communicator's protocol and supervision. Confirm with your central station before install.
Source: LE2077 Installation Manual NA; Impassa LE2077 Spec Sheet (DSC official documentation).