August Home Smart Lock Breakdown: Hardware Generations and Bridge Requirements

The 4th Generation silver model represents the company effort to compress standard motor assemblies and radio transceivers into a compact chassis. Cataloged under model number AUG-SL05-M01-S01, this August Home unit attaches directly to your interior single-cylinder deadbolt backplate in approximately 10 minutes without altering external cylinder hardware. By mounting on the interior side of the door, it ensures you retain existing house keys for emergency mechanical bypass while eliminating exterior aesthetic changes. The listing provides the lock mechanism, pre-packaged batteries, and universal mounting hardware to fit most standard residential deadbolt tailpieces.

From an architectural standpoint, the defining feature of the august wifi smart lock 4th generation is onboard wireless networking. Rather than requiring an auxiliary intermediate hub plugged into a wall outlet, the lock establishes an independent connection to your home network while housing a Bluetooth radio for local smartphone handshakes. This dual-radio setup supports automated proximity unlocking as you approach the entryway and pairs with DoorSense technology to determine whether the door panel is physically seated against the frame before triggering the motorized throw bolt. Integrated wireless protocols facilitate native communication with Apple HomeKit, Amazon Alexa, Google Assistant, and Samsung SmartThings without peripheral adapters.

This silver hardware version is engineered specifically for homeowners and property managers who prioritize a minimalist interior footprint and demand native smart platform interoperability out of the box. Because the integrated Wi-Fi transceiver draws power directly from internal compact batteries rather than larger AA cells, maintenance schedules are tighter than on bridge-dependent platforms. If your entryway hardware features dark bronze or black trim, this silver unit steps aside for its matte black sibling; similarly, if your smart ecosystem relies on older bridge bundles, the Pro generation offers an alternate hardware configuration.

• Built-in Wi-Fi radio eliminates external hub requirements for out-of-home cloud control
• Maintains exterior deadbolt curb appeal and retains existing physical mechanical keys
• Direct voice assistant integration with Apple HomeKit, Amazon Alexa, Google Assistant, and SmartThings
• Packaging includes the smart lock mechanism, operational batteries, and mounting hardware

Sharing the internal engineering of the 4th Generation family, model AUG-SL05-M01-G01 provides a contemporary finish variation. This matte black August Home unit provides the same 10-minute interior installation over existing deadbolts, bypassing the complex drilling steps seen when installing an exterior-replacing smonet smart lock deadbolt system. The package includes the motorized lock chassis, necessary mounting plates, deadbolt tailpiece adapters, and batteries, providing an immediate upgrade for modern single-cylinder entryways.

The primary technical objective of this model is complete local and remote control through the August mobile application. Property owners can establish permanent credentials for household members or dispatch scheduled and temporary virtual keys for service professionals. The integrated DoorSense sensor verifies that the door is closed securely before activating the auto-lock feature, preventing deadbolt extension into exposed door jambs. Built-in 2.4 GHz Wi-Fi capability handles cloud telemetry, real-time access logs, and integration with voice control assistants without needing an intermediate bridge device plugged into an adjacent hallway outlet.

This matte black iteration suits contemporary entry doors featuring dark metallic hardware where visual uniformity across interior trim is desired. It delivers identical technical throughput and protocol compatibility as the silver model. However, for setups where users wish to grant access to children or guests without smartphones, this lock must be paired with an auxiliary numeric pad. It gives way to legacy 3rd generation hardware if your deployment scenario specifically calls for extended battery maintenance windows supported by standard AA cell configurations.

• Matte black exterior finish engineered to complement contemporary door hardware aesthetics
• Direct-to-cloud Wi-Fi connectivity without auxiliary plug-in bridge modules
• DoorSense sensor functionality guarantees automated locking only when the door is closed
• Interoperable with the August Smart Keypad for external pin-code management

The August Home Smart Lock Pro bundle (model ASL-03 paired with AC-R1) provides a robust platform for smart entry automation. This system packages the Smart Lock Pro chassis alongside an August Connect Wi-Fi Bridge, a magnetic DoorSense sensor, four AA alkaline batteries, and a comprehensive set of deadbolt mounting adapters. The listing specifies that the Pro mechanism requires careful measurement of your door backset, cross bore, and door thickness to ensure seamless operational alignment with the motorized drive cam.

The Pro model delegates network tasks across a distributed hardware design. While the lock body relies on local Bluetooth and low-power smart home protocols to communicate with close-range hardware, high-bandwidth cloud communication is offloaded to the bundled August Connect bridge. The bridge plugs into an adjacent AC outlet to relay commands between your local Wi-Fi router and the lock. This dual-stage setup provides extensive compatibility with platforms such as Amazon Alexa and Google Assistant, matching the broader smart home standards detailed in our google smart lock technical analysis while maintaining real-time entry tracking via the August application.

This package is best suited for technical users seeking the energy efficiency and widespread availability of standard AA batteries. By offloading continuous Wi-Fi listening to an external AC-powered bridge, the four AA cells inside the lock chassis focus strictly on motor actuation and local Bluetooth communication. The trade-off is interior aesthetic bulk: the Pro mechanism features a larger circular profile than 4th Generation hardware and requires an open 110-240V wall socket within radio range to facilitate remote connectivity.

• Bundled with the August Connect Wi-Fi Bridge and DoorSense alignment sensor
• Powered by four easily sourced AA alkaline batteries included in the carton
• Voice control support for remote lock status checks and operations via Alexa and Google Assistant
• Retains original deadbolt hardware while adding automated hands-free proximity unlocking

Representing the brand baseline entry point, the August Home Smart Lock (model ASL-3B) brings 3rd generation mechanics to standard single-cylinder deadbolts. Encased in an oval dark gray housing, this package includes the motor unit, DoorSense sensor, four AA batteries, and mounting hardware for a ten-minute installation with a standard screwdriver. The listing notes that smartphone compatibility requires an iOS device running version 9.0 or higher, or an Android phone operating on version 5.0 or higher.

Unlike the integrated 4th Gen units or the Pro bundle, the august smart lock 3rd gen functions natively as a Bluetooth-only lock. It provides localized automated locking, proximity-triggered auto-unlocking, and guest management through the August application when your phone is within direct Bluetooth range. Out of the box, it incorporates DoorSense to monitor whether the door is open or closed. For remote operations, instant out-of-home alerts, and integration with voice services, the lock relies on the August Connect Wi-Fi Bridge, which is sold separately for this specific SKU.

This model is an ideal pick for budget-conscious homeowners who want core proximity automation, door status verification, and keyless entry via smartphone without paying for included Wi-Fi accessories they may not immediately need. The four AA batteries deliver dependable operating life and link into Alexa Dash Replenishment for automated cell reorders when connected via a bridge. For users who require immediate out-of-the-box cloud control without purchasing separate plug-in modules, this dark gray 3rd gen model gives way to the 4th generation Wi-Fi lock.

• Dark gray 3rd generation chassis powered by four included AA batteries
• Includes DoorSense technology to differentiate between open and closed door positions
• Local Bluetooth proximity unlocking with scheduled access control via smartphone
• Expandable to Wi-Fi voice control and remote access via optional Connect Bridge

The August Home Smart Keypad serves as a dedicated external hardware accessory designed to supplement the August lock ecosystem. Encased in a compact, durable metal housing measuring 1 by 2.9 by 0.9 inches, this dark gray device mounts externally near your entryway. It communicates wirelessly with paired August smart locks using Bluetooth, eliminating the need to route wires through door frames or exterior walls. For an in-depth breakdown of code management and installation tolerances, consult our august lock keypad hardware analysis.

The keypad solves the operational limitation of phone-dependent entry systems. Through the August companion app, administrators can program unique, custom numeric PINs for family members, contractors, and guests. Key codes can be configured with automated expiration dates and times, making the device an ideal accessory for short-term rental management. Furthermore, the keypad features a dedicated one-touch locking button emblazoned with the August logo, allowing departing occupants to throw the deadbolt immediately without presenting a smartphone or physical key.

This accessory is recommended for any August ecosystem owner seeking phone-free redundancy for children, service staff, or guests. The listing specifies that the unit must be mounted within direct Bluetooth range—defined as within 10 feet of the paired August lock. While it creates an effortless numeric interface, it functions strictly as a peripheral; shoppers looking for an all-in-one deadbolt replacement containing an integrated numeric faceplate would need to explore integrated solutions such as an exterior eufy security door lock system.

• External numeric access accessory connecting via low-energy Bluetooth protocols
• Enables one-touch exterior deadbolt locking without requiring a smartphone or physical key
• Allows creation of unique, expiring entry PINs tailored for visitors and rental guests
• Robust metal construction designed for discreet mounting within 10 feet of the lock

Best for: Upgrading Bluetooth August locks to remote Wi-Fi

Pros

• Enables remote cloud operation
• Adds Alexa and Google voice control
• Real-time mobile entry alerts

Cons

• Occupies indoor electrical outlet
• Limited to North American voltage

The August Home Connect Wi-Fi Bridge (model AC-R1-Wi-Fi-Connect) is the dedicated networking adapter that connects August Bluetooth hardware to home IP networks. Measuring 1.5 by 2.4 by 2.4 inches, this white plug-in module is engineered to operate on standard North American AC power sockets ranging from 110 to 240 volts. The package includes one Connect module and a setup guide to streamline network pairing through the August mobile application on compatible iOS or Android devices.

Functioning as an active network protocol translator, the device houses both Bluetooth and Wi-Fi transceivers. It establishes a localized low-energy Bluetooth link with your August smart lock while maintaining an uninterrupted 2.4 GHz connection to your residential Wi-Fi access point. This bridge architecture enables remote lock and unlock functions from anywhere in the world, relays instantaneous mobile notifications when the deadbolt is engaged, and facilitates integration with voice ecosystems including Amazon Alexa, Google Assistant, and Siri.

This bridging module is an essential purchase for owners of the standalone 3rd Generation August Smart Lock or standalone Smart Lock Pro units that were acquired without the bridge bundle. It upgrades a local-only lock to a cloud-managed platform. Conversely, for users who deploy the 4th Generation Wi-Fi Smart Lock, this bridge is entirely redundant, as 4th Gen hardware integrates native Wi-Fi networking directly inside the lock chassis.

• Translates local Bluetooth signals into 2.4 GHz Wi-Fi protocols for continuous cloud access
• Plugs directly into standard 110V to 240V North American electrical outlets
• Enables remote voice operation through Amazon Alexa, Google Assistant, and Siri
• Delivers real-time smartphone alerts whenever entry or exit events occur