Honeywell Home CELL3DBKT - Antenna Kit – Includes ANT3DB, WA7626-CA 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

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
• CELLANT3DBPK Remote Weatherproof Antenna Kit Installation Guide
• AlarmNet CELL-ANT3dB Remote Weatherproof Antenna Kit Installation and Setup Guide

Use official Resideo install PDFs and install guides for exact wiring, enrollment, and firmware — specifications vary by SKU and region.