FCC ID 2BSY2-C100
Retrofit Smart Lock
by Last Lock Inc.
Grantee Code: 2BSY2 Product Code: C100
Latest application date: 2026-04-07
FCC ID Device Details
| FCC ID | 2BSY2-C100 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BSY2 |
| Product Code | C100 |
| Applicant Business | Last Lock Inc. 🇺🇸 |
| Related Domains |  lastlock.com |
| Equipment Class | Retrofit Smart Lock |
| Test Firm | Elite Electronic Engineering Inc. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-04-07 |
| 6489.6-7987.2 MHz | Original Equipment | 2026-04-07 |
| 13.56 MHz | Original Equipment | 2026-04-07 |
| 0.125 MHz | Original Equipment | 2026-04-07 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| C100 - FCC Regulatory Label and Location | ID Label/Location Info | 2026-04-07 | PDF 1.1 MB |
| 2450AT42E0100_6fzbZoe (1) | Test Report | 2026-04-07 | PDF 516 KB |
| 7000AT18A1600E-AEC (1) (1) | Test Report | 2026-04-07 | PDF 268.7 KB |
| ETR2402768-02 RFID | Test Report | 2026-04-07 | PDF 4.9 MB |
| ETR2402768-03 BLE_Part1 | Test Report | 2026-04-07 | PDF 4.9 MB |
| ETR2402768-03 BLE_Part2 | Test Report | 2026-04-07 | PDF 4.1 MB |
| ETR2402768-04 NFC_Part1 | Test Report | 2026-04-07 | PDF 4.8 MB |
| ETR2402768-04 NFC_Part2 | Test Report | 2026-04-07 | PDF 581.3 KB |
| ETR2402768-05 UWB | Test Report | 2026-04-07 | PDF 5.7 MB |
| C100 - Agency Authorization Letter | Attestation Statements | 2026-04-07 | PDF 96.8 KB |
| C100 - Covered List Attestation | Attestation Statements | 2026-04-07 | PDF 82.4 KB |
| C100 - US Agent of Service Process Attestation | Attestation Statements | 2026-04-07 | PDF 77.5 KB |
| C100 - Agency Authorization Letter | Cover Letter(s) | 2026-04-07 | PDF 96.8 KB |
| C100 - Application Cover Letter | Cover Letter(s) | 2026-04-07 | PDF 96.8 KB |
| C100 - FCC Confidentiality Request Letter | Cover Letter(s) | 2026-04-07 | PDF 147.1 KB |
| IC C100 - Confidentiality Request Letter | Cover Letter(s) | 2026-04-07 | PDF 146.7 KB |
| Lastlock FCC Rev B (1) | RF Exposure Info | 2026-04-07 | PDF 2.3 MB |
| C100 - User Manual_Part1 Metadata only | Users Manual | 2026-09-20 | PDF 98.9 KB |
| C100 - User Manual_Part3 Metadata only | Users Manual | 2026-09-20 | PDF 4.7 MB |
| C100 - User Manual_Part4 Metadata only | Users Manual | 2026-09-20 | PDF 3 MB |
| Last Lock Core User Guide - R1 022026 (2)_Part1 Metadata only | Users Manual | 2026-09-20 | PDF 5 MB |
| Last Lock Core User Guide - R1 022026 (2)_Part2 Metadata only | Users Manual | 2026-09-20 | PDF 4.1 MB |
| Last Lock Core User Guide - R1 022026 (2)_Part3 Metadata only | Users Manual | 2026-09-20 | PDF 1.7 MB |
| C100 - Internal Photos Metadata only | Internal Photos | 2026-09-20 | PDF 3.7 MB |
| C100 - External Photos Metadata only | External Photos | 2026-09-20 | PDF 1.2 MB |
| ETR2402768-03 BLE_Part1 Test Setup Photos DTS Metadata only | Test Setup Photos | 2026-09-20 | PDF 525.2 KB |
| ETR2402768-03 BLE_Part2 Test Setup Photos DTS Metadata only | Test Setup Photos | 2026-09-20 | PDF 523.3 KB |
| ETR2402768-03 BLE_Part2Test Setup Photos DTS Metadata only | Test Setup Photos | 2026-09-20 | PDF 562.3 KB |
| ETR2402768-04 NFC Part 1 Test Setup Photos Metadata only | Test Setup Photos | 2026-09-20 | PDF 534.4 KB |
| ETR2402768-04 NFC Part 2 Test Setup Photos Metadata only | Test Setup Photos | 2026-09-20 | PDF 522.8 KB |
| Test-setup Photos DCD Metadata only | Test Setup Photos | 2026-09-20 | PDF 534.3 KB |
| C100 - Block Diagram Metadata only | Block Diagram | PDF 99.3 KB | |
| AB1_Schematic Metadata only | Schematics | PDF 399.9 KB | |
| CB1_Schematic Metadata only | Schematics | PDF 504.4 KB | |
| MB1_Schematic Metadata only | Schematics | PDF 373.2 KB | |
| PB1_Schematic Metadata only | Schematics | PDF 2.5 MB | |
| C100 - Theory of Operation_Technical Description Metadata only | Operational Description | PDF 130.6 KB | |
| AB1_BOM Metadata only | Parts List/Tune Up Info | PDF 66.1 KB | |
| C100-MBOM Metadata only | Parts List/Tune Up Info | PDF 135.3 KB | |
| CB1_BOM Metadata only | Parts List/Tune Up Info | PDF 103.4 KB | |
| MB1_BOM Metadata only | Parts List/Tune Up Info | PDF 68.9 KB | |
| PB1_BOM Metadata only | Parts List/Tune Up Info | PDF 185.8 KB |
Application Information
| Application ID | zkUK0YbfVbZJa789vTwPhQ== |
|---|---|
| Final Action Date | 2026-04-07 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037581790 |
| Model | C100 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Retrofit Smart Lock |
| Responsible Party | Joshua Gottlieb, josh@lastlock.com , 4148075917 |
| Technical Contact | Joshua N Gottlieb, Last Lock Inc., josh@lastlock.com , 4148075917 |
| Non-Technical Contact | Joshua N Gottlieb, Last Lock Inc., josh@lastlock.com , 4148075917 |
| Test Firm | Kevin Halpin, Elite Electronic Engineering Inc., khalpin@elitetest.com  , 630-495-9770 |
| TCB Email | reking@elitetest.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| zkUK0YbfVbZJa789vTwPhQ== | 2026-04-07 | Original Equipment |
| S3wimGmUD6dA6GTJ4f/z9w== | 2026-04-07 | Original Equipment |
| QB52Lr9sZBxGwDVOuRj4/Q== | 2026-04-07 | Original Equipment |
| D8E9ZUQ7am7iObbFQcOsuw== | 2026-04-07 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application zkUK0YbfVbZJa789vTwPhQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Elite Electronic Engineering, Inc. 1516 Centre Circle Downers Grove, IL 60515 |
Date of Grant: 04/07/2026 Application Dated: 03/26/2026 |
| Last Lock Inc. |
| 25 W Main St |
| STE 500 |
| Madison, WI 53703 |
| Attention: Joshua Gottlieb , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2BSY2-C100 |
| Name of Grantee: | Last Lock Inc. |
| Equipment Class: | Digital Transmission System |
| Notes: | Retrofit Smart Lock |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.00199 |
| Power Output is Conducted. The antenna(s) used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Grantee must provide installation and operating instructions for complying with FCC multi-transmitter product procedures and RF Exposure compliance. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application S3wimGmUD6dA6GTJ4f/z9w==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Elite Electronic Engineering, Inc. 1516 Centre Circle Downers Grove, IL 60515 |
Date of Grant: 04/07/2026 Application Dated: 03/27/2026 |
| Last Lock Inc. |
| 25 W Main St |
| STE 500 |
| Madison, WI 53703 |
| Attention: Joshua Gottlieb , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2BSY2-C100 |
| Name of Grantee: | Last Lock Inc. |
| Equipment Class: | Ultra Wideband Transmitter |
| Notes: | Retrofit Smart Lock |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15F | 3100.0 - 10600.0 | 0.000001 |
| Power Output is Conducted. The antenna(s) used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Grantee must provide installation and operating instructions for complying with FCC multi-transmitter product procedures and RF Exposure compliance. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application QB52Lr9sZBxGwDVOuRj4/Q==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Elite Electronic Engineering, Inc. 1516 Centre Circle Downers Grove, IL 60515 |
Date of Grant: 04/07/2026 Application Dated: 03/26/2026 |
| Last Lock Inc. |
| 25 W Main St |
| STE 500 |
| Madison, WI 53703 |
| Attention: Joshua Gottlieb , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2BSY2-C100 |
| Name of Grantee: | Last Lock Inc. |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Retrofit Smart Lock |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 13.56 - 13.56 |
| Power Output is Conducted. The antenna(s) used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Grantee must provide installation and operating instructions for complying with FCC multi-transmitter product procedures and RF Exposure compliance. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application D8E9ZUQ7am7iObbFQcOsuw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Elite Electronic Engineering, Inc. 1516 Centre Circle Downers Grove, IL 60515 |
Date of Grant: 04/07/2026 Application Dated: 03/25/2026 |
| Last Lock Inc. |
| 25 W Main St |
| STE 500 |
| Madison, WI 53703 |
| Attention: Joshua Gottlieb , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2BSY2-C100 |
| Name of Grantee: | Last Lock Inc. |
| Equipment Class: | Part 15 Low Power Transmitter Below 1705 kHz |
| Notes: | Retrofit Smart Lock |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 0.125 - 0.125 |
| Power Output is Conducted. The antenna(s) used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Grantee must provide installation and operating instructions for complying with FCC multi-transmitter product procedures and RF Exposure compliance. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |