FCC ID 2ASV7-EABOX4
Dynamic Display
by American Time & Signal Co.
Grantee Code: 2ASV7 Product Code: EABOX4
Latest application date: 2026-05-26
FCC ID Device Details
| FCC ID | 2ASV7-EABOX4 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2ASV7 |
| Product Code | EABOX4 |
| Applicant Business | American Time & Signal Co. 🇺🇸 |
| Related Domains |  atsclock.com |
| Equipment Class | Dynamic Display |
| Test Firm | SHENZHEN CTA TESTING TECHNOLOGY CO., LTD. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Change in identification of presently authorized equipment. Original FCC ID: 2ASV7-EABOX3 Grant Date: 06/05/2023 | 2026-05-26 |
| 2402-2480 MHz | Change in identification of presently authorized equipment. Original FCC ID: 2ASV7-EABOX3 Grant Date: 06/05/2023 | 2026-05-26 |
| 5745-5825 MHz | Change in identification of presently authorized equipment. Original FCC ID: 2ASV7-EABOX3 Grant Date: 06/05/2023 | 2026-05-26 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2026-05-26 | PDF 1.7 MB |
| External Photos | External Photos | 2026-05-26 | PDF 2.7 MB |
| ID Label/Location Info | ID Label/Location Info | 2026-05-26 | PDF 279.3 KB |
| Attestation Statements | Attestation Statements | 2026-05-26 | PDF 63.6 KB |
| US agent | Attestation Statements | 2026-05-26 | PDF 84.3 KB |
| Agent Authorization | Cover Letter(s) | 2026-05-26 | PDF 87.6 KB |
| Change in ID Authorization Letter | Cover Letter(s) | 2026-05-26 | PDF 44.5 KB |
| Change in ID Request | Cover Letter(s) | 2026-05-26 | PDF 44.6 KB |
| Change in ID Request 1 | Cover Letter(s) | 2026-05-26 | PDF 44.6 KB |
| Change in ID Request 2 | Cover Letter(s) | 2026-05-26 | PDF 44.7 KB |
| Software Security Requirements for UNII devices Metadata only | SDR Software/Security Info. | PDF 91.6 KB |
Application Information
| Application ID | E6T4sfzN9snbn3GboHOS+g== |
|---|---|
| Final Action Date | 2026-05-26 |
| Application Purpose | Change in identification of presently authorized equipment. Original FCC ID: 2ASV7-EABOX3 Grant Date: 06/05/2023 |
| Applicant FRN | 0028361418 |
| Model | EABOX4 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Dynamic Display |
| Responsible Party | Timothy Leung, tleung@atsclock.com , 320 275 2101 |
| Non-Technical Contact | Timothy Leung Leung, American Time & Signal Co., tleung@atsclock.com , 320 275 2101 |
| Test Firm | Eric Wang, SHENZHEN CTA TESTING TECHNOLOGY CO., LTD., wangxulai@cta-test.cn  , 86-755-2322-5875 |
| TCB Email | tcb@metlabs.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| 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 |
|---|---|---|
| E6T4sfzN9snbn3GboHOS+g== | 2026-05-26 | Change in identification of presently authorized equipment. Original FCC ID: 2ASV7-EABOX3 Grant Date: 06/05/2023 |
| D8elQbT34QaH6HwhGhoq8Q== | 2026-05-26 | Change in identification of presently authorized equipment. Original FCC ID: 2ASV7-EABOX3 Grant Date: 06/05/2023 |
| 26GBbGutlNs1Rsu7pm7/Nw== | 2026-05-26 | Change in identification of presently authorized equipment. Original FCC ID: 2ASV7-EABOX3 Grant Date: 06/05/2023 |
Equipment Authorization
Grants
TCB Grant - Application E6T4sfzN9snbn3GboHOS+g==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 05/26/2026 Application Dated: 05/26/2026 |
| American Time & Signal Co. |
| 140 3rd Street South |
| Dassel, MN 55325 |
| Attention: Timothy Leung , Vice President, Engineering & Operations |
| 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: | 2ASV7-EABOX4 |
| Name of Grantee: | American Time & Signal Co. |
| Equipment Class: | Digital Transmission System |
| Notes: | Dynamic Display |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0029 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.0416 |
| Change in ID. Output Power listed is peak conducted. This device supports 802.11b, 802.11g and 802.11n with a 20 MHz bandwidth mode. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application D8elQbT34QaH6HwhGhoq8Q==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 05/26/2026 Application Dated: 05/26/2026 |
| American Time & Signal Co. |
| 140 3rd Street South |
| Dassel, MN 55325 |
| Attention: Timothy Leung , Vice President, Engineering & Operations |
| 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: | 2ASV7-EABOX4 |
| Name of Grantee: | American Time & Signal Co. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Dynamic Display |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0012 |
| Change in ID. Output Power listed is peak conducted. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 26GBbGutlNs1Rsu7pm7/Nw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 05/26/2026 Application Dated: 05/26/2026 |
| American Time & Signal Co. |
| 140 3rd Street South |
| Dassel, MN 55325 |
| Attention: Timothy Leung , Vice President, Engineering & Operations |
| 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: | 2ASV7-EABOX4 |
| Name of Grantee: | American Time & Signal Co. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | Dynamic Display |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.0126 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.0133 |
| Change in ID. Output power listed is average conducted. This device supports 802.11a, 802.11n and 802.11ac with a 20 MHz, 40 MHz and 80 MHz bandwidth mode. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |