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Honeywell Security | Intrusion




Genesis Cable

LYNX Plus Toolkit

LYNX Touch 5210/7000 Toolkit

Lyric Security Toolkit

Total Connect® Toolkit

Tuxedo Touch™ Toolkit

LTE-L57A LTE Communicator For LYNX

LTE Communicator For LYNX


Honeywell is focused on providing the best alarm communication solutions for the security industry. Alternative communication methods are critical in the marketplace due to VoIP migration from POTS and the evolution of cellular networks. LTE network connectivity provides the longest viable cellular lifespan available.

The LTE-L57A easily connects to the LYNX Touch 5210 and LYNX Touch 7000 control panels. All signals are delivered to Honeywell’s AlarmNet® Network Control Center, which routes the information to the appropriate central station. The state-of-the-art AlarmNet Network Control Center is fully redundant and monitored 24/7. AlarmNet can route messages using AlarmNet-i and 800 PLUS services, providing true redundancy and multi-path message delivery.


  • Full Contact ID
  • 256-bit AES Encryption
  • Upload/Download with select Honeywell Home panels
  • Easy integration of cellular communicators
  • Diagnostic LEDs
  • Quality of Service Diagnostics (QOS)
  • AlarmNet360™ Online Management Platform improve business efficiencies and reduce truck rolls
  • Remote Services Capability* with optional Resideo Total Connect Remote Services
  • FOTA Firmware Upgrading capability

*Service subscription required

Product Documentation

Title   Size Date
Honeywell Control Panels Feature Charts PDF 249.57 KB 12/18/2018
Cellular Antennas Data Sheet PDF 87.36 KB 01/22/2019
Cellular Antennas Data Sheet - French PDF 96.79 KB 01/14/2019
LTE Cellular Communicator Family Data Sheet PDF 138.43 KB 11/02/2018
LTE Cellular Communicator Family Data Sheet - French PDF 139.90 KB 11/02/2018
T6 Pro Z-Wave Thermostat Dealer Information Sell Sheet PDF 1529.89 KB 10/30/2018
Ordering Information

Part No. Description
LTE-L57A 4G LTE Communicator

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