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Wi-Fi, Bluetooth or Matter — How Smart Locks Connect

Published October 2026 · Last verified October 2026

Five ways a lock connectsThe radio inside decides what the lock can doSmart lockBluetooth: up closeBuilt-in Wi-Fi: anywhereWi-Fi bridge: anywhereZ-Wave/Zigbee: needs hubMatter/Thread: needsrouterOnly Bluetooth leaves you with no remote reach at all.Match the type to how you want to use the door.
Only Bluetooth leaves you with no remote reach at all.
Up close vs. from awayThe one question that settles most of the choiceOnly when I'm home• Bluetooth is plenty• Cheaper, fewer parts• Gentlest on batteries• Keypad codes still work• No monthly feesAlso when I'm away• Wi-Fi, bridge, or Thread• Remote lock and unlock• Phone alerts when door opens• Add/cancel codes remotely• Needs the right helper onlineAway means Wi-Fi, a bridge, a hub, or Matter-over-Thread.Illustration — a schematic; details vary by device and setup.
Away means Wi-Fi, a bridge, a hub, or Matter-over-Thread.

Smart locks talk to your phone in a few different ways, and the one you pick changes what the lock can do. Here is the plain-English version so you buy the right one.

Bill Davis
Bill's Home Tech · Atwater, Ohio
Want the full deep-dive?
Download the printable Wi-Fi, Bluetooth or Matter guide
PDF · plain English · no ads · made by Bill
Topic
How locks connect
Category
locks
Best for
Anyone buying
Typical Price
$130 – $330

Smart locks talk to your phone in a few different ways, and the one you pick changes what the lock can do. Here is the plain-English version so you buy the right one.

What's inside this guide

The printable PDF walks through 23 short chapters, in plain language. It also includes an everyday cheat sheet, a plain-English word list and at-a-glance pictures.

  1. Why the way a lock connects matters
  2. Bluetooth-only locks, explained
  3. Built-in Wi-Fi locks
  4. The separate Wi-Fi bridge
  5. Z-Wave and Zigbee hubs
  6. Matter and Thread, the new standard
  7. What a Thread border router actually is
  8. Remote unlock, feature by feature
  9. Notifications and alerts
  10. Battery life and the radio
  11. The 2.4 gigahertz Wi-Fi requirement
  12. Working with Apple Home
  13. Working with Google Home
  14. Working with Amazon Alexa
  15. Choosing by the phone and speakers you already own
  16. Future-proofing and swappable modules
  17. Ohio winters and your front door
  18. Guest codes across connection types
  19. Setup day, what to expect
  20. Common connection problems and fixes
  21. Privacy and the security of the connection
  22. A plain buying checklist and my honest take
  23. When to Call Bill

Get the printable guide

Everything above is a quick summary. The full, printable guide — the same words, laid out to read and keep by the computer — is a free PDF.

Download the printable PDF →

Last verified October 2026. Information accurate as of October 25, 2026.

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✍️ Every guide researched, written, and reviewed by Bill — your local Portage County tech.

Any prices or outside products mentioned in this guide can change over time — the details here were last checked August 2026 and this page is accurate as of October 18, 2026; please confirm current pricing before you buy. See how often we review our guides →