DSC Impassa LTE Cellular Alarm Communicator LE2077AT

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IMPASSA LTE/HSPA Cellular Alarm Communicator LE2077 ensures reliable alarm communication for your home or business. When connected to a DSC IMPASSA control panel, alarm reporting paths can be combined through the Public Switched Telephone Network (PSTN), if so desired, plus the cellular network for increased redundancy.It conveniently utilizes the latest LTE cellular network to ensure high speed, reliable and secure alarm communications to alleviate any concerns about the possibility of phone line disruption.

Compatible Control Panels SCW9055/SCW9057 V1.1+

Compatible with LTE-8ANTP, LTE-15ANT, LTE-25ANT, and LTE-50ANT extension antennas

Brand: DSC
Part Number: LE2077

Availability: This item requires 3 business days to process.




  • Compatible with IMPASSA Self-Contained 2-Way Wireless Security System
  • Back up and primary LTE alarm communication with 3G fallback capability
  • Panel remote uploading/downloading support via cellular
  • Supervision heartbeats via cellular
  • 128-bit AES encryption via cellular
  • SIA and Contact ID protocol
  • Signal strength, wireless technology, and trouble display via IMPASSA panel menu
  • Full event reporting
  • Compatible with Sur-Gard System I/II/III/IV/5 monitoring station receivers
  • Command and Control via SMS
  • 2-Way voice over LTE or 3G (with IMPASSA SCW9057 v1.1+)
  • Antenna Extension Kits available: LTE-8ANTP, LTE-15ANT, LTE-25ANT, LTE-50ANT
  • Compatible with ADT Pulse interactive solution

Additional Info

Additional Info

Part Number LE2077
What's in the box

(1) LE2077 Internet Alarm Communicator

Variant 1


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Power Supply Ratings
Input Voltage- 3.5 / 3.9 / 4.2 VDC (min / NOM / MAX) from the SCW9055/SCW9057 panel
Current Consumption- 75 mA
Standby Current- (@3.7V) 75 mA
Alarm- (Transmitting) Current) 400 mA

Environmental Specifications
Operating Temperature- 0°C - 49°C (32°F- 120°F)
Humidity- 5% ~ 85% relative humidity, non-condensing

Mechanical Specifications
Board Dimensions-  (mm/inches)109mm x 110mm / 4.00in. x 4.25in.
Weight-  (grams/ounces)60g / 2.11oz.