FCC ID Y8K-CWS4
Cow Welness Sensor
by CowManager B.V.
Grantee Code: Y8K Product Code: CWS4
Latest application date: 2026-09-17
FCC ID Device Details
| FCC ID | Y8K-CWS4 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | Y8K |
| Product Code | CWS4 |
| Applicant Business | CowManager B.V. 🇳🇱 |
| Related Domains |  agis.nl  cowmanager.com |
| Equipment Class | Cow Welness Sensor |
| Test Firm | Kiwa Nederland B.V. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2405-2480 MHz | Class II permissive change or modification of presently authorized equipment | 2026-09-17 |
| 2405-2480 MHz | Original Equipment | 2023-01-18 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2023-01-18 | PDF 385.5 KB |
| Internal Photos | Internal Photos | 2023-01-18 | PDF 333.7 KB |
| External Photos | External Photos | 2023-01-18 | PDF 335.2 KB |
| ID Label/Location Info | ID Label/Location Info | 2023-01-18 | PDF 254.9 KB |
| Test Setup Photos | Test Setup Photos | 2023-01-18 | PDF 874 KB |
| Antenna Report | Test Report | 2026-09-17 | PDF 230.5 KB |
| Test Report | Test Report | 2026-09-17 | PDF 2.1 MB |
| Test Report | Test Report | 2023-01-18 | PDF 1.1 MB |
| Attestation Statements | Attestation Statements | 2026-09-17 | PDF 360.6 KB |
| US Agent letter | Attestation Statements | 2026-09-17 | PDF 2.1 MB |
| Class II Permissive Change | Cover Letter(s) | 2026-09-17 | PDF 141 KB |
| Confidentiality Request | Cover Letter(s) | 2026-09-17 | PDF 345.8 KB |
| Cover letter_CWS4 model overview | Cover Letter(s) | 2023-01-18 | PDF 272.2 KB |
| Declaration of authorization | Cover Letter(s) | 2023-01-18 | PDF 115.2 KB |
| Req. LT or STC confidentiality | Cover Letter(s) | 2023-01-18 | PDF 198.8 KB |
| RF Exposure Info. | RF Exposure Info | 2026-09-17 | PDF 249.7 KB |
| SAR Exclusion Report | RF Exposure Info | 2023-01-18 | PDF 375.1 KB |
| Users Manual Metadata only | Users Manual | 2027-03-15 | PDF 390.7 KB |
| Internal Photos Metadata only | Internal Photos | 2027-03-15 | PDF 213.1 KB |
| External Photos Metadata only | External Photos | 2027-03-15 | PDF 258.2 KB |
| Test Setup Photos Metadata only | Test Setup Photos | 2027-03-15 | PDF 1.1 MB |
| Block Diagram Metadata only | Block Diagram | PDF 218.8 KB | |
| Block Diagram Metadata only | Block Diagram | PDF 113.6 KB | |
| Schematics Metadata only | Schematics | PDF 323.1 KB | |
| Schematics Metadata only | Schematics | PDF 486.2 KB | |
| Operational Description Metadata only | Operational Description | PDF 720.4 KB | |
| antenna information Metadata only | Operational Description | PDF 245.5 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 69.1 KB |
Application Information
| Application ID | KbFtejIHgVl1DH0cE/mFTA== |
|---|---|
| Final Action Date | 2026-09-17 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0020232583 |
| Model | CWS4 |
| Frequency Range | 2405-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Cow Welness Sensor |
| Responsible Party | Guus Oostveen, g.oostveen@agis.nl , 0031348443840 |
| Technical Contact | Hidde Goemans, CowManager B.V., h.goemans@cowmanager.com , 0031348443840 |
| Non-Technical Contact | Jared J Krull, CowManager USA INC, j.krull@cowmanager.com , 17155263007 |
| Test Firm | Willem Jong, Kiwa Nederland B.V., dl_radio-certification@kiwa.com  , +31 88 9983393 |
| TCB Email | dl_radio-certification@kiwa.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 | No |
| 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 |
|---|---|---|
| KbFtejIHgVl1DH0cE/mFTA== | 2026-09-17 | Class II permissive change or modification of presently authorized equipment |
| vQKg1SvnTcBUQgFDt1SoGw== | 2023-01-18 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2405-2480 MHz | 0.0089000 | 15C |
Grants
TCB Grant - Application vQKg1SvnTcBUQgFDt1SoGw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Kiwa Nederland B.V. Wilmersdorf 50 Apeldoorn, NL-7300 AC Netherlands |
Date of Grant: 01/18/2023 Application Dated: 01/17/2023 |
| CowManager B.V. |
| Gerverscop 9 |
| Harmelen, 3481 LT Netherlands |
| Attention: Guus Oostveen , CEO |
| 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: | Y8K-CWS4 |
| Name of Grantee: | CowManager B.V. |
| Equipment Class: | Digital Transmission System |
| Notes: | Cow Wellness system |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2405.0 - 2480.0 | 0.0089 |
| Output power is conducted. Certified for mobile use. Co-location of this device with other transmitters would require use of FCC multi-transmitter product procedures. |
EAS Grant - Application vQKg1SvnTcBUQgFDt1SoGw==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
CowManager B.V. Gerverscop 9 Harmelen, 3481 LT Netherlands |
Date of Grant: 01/18/2023 Application Dated: 01/17/2023 |
| Attention: Guus Oostveen , CEO |
| 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: | Y8K-CWS4 |
| Name of Grantee: | CowManager B.V. |
| Equipment Class: | Digital Transmission System |
| Notes: | Cow Wellness system |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2405.0 - 2480.0 | 0.0089 |
| Output power is conducted. Certified for mobile use. Co-location of this device with other transmitters would require use of FCC multi-transmitter product procedures. |
| Mail To: | |||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Kiwa Nederland B.V. Wilmersdorf 50 Apeldoorn, NL-7300 AC Netherlands |
Date of Grant: 09/17/2026 Application Dated: 09/15/2026 |
| CowManager B.V. |
| Gerverscop 9 |
| Harmelen, 3481 LT Netherlands |
| Attention: Guus Oostveen , CEO |
| 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: | Y8K-CWS4 |
| Name of Grantee: | CowManager B.V. |
| Equipment Class: | Digital Transmission System |
| Notes: | Cow Welness Sensor |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2405.0 - 2480.0 | 0.0089 |
| Class II Permissive Change to update hardware from V4.1 to V4.6 (component/PCB layout modifications only). No change to RF parameters, antenna, or original grant conditions. Output power is conducted. Certified for mobile use. Co-location of this device with other transmitters would require use of FCC multi-transmitter product procedures. |