FCC ID 2BMOJ-S20
AIoT Temperature&Humidity Datalogger
by Shenzhen ZKS Mobile IoT Tech. Co., Ltd.
Grantee Code: 2BMOJ Product Code: S20
Latest application date: 2026-05-27
FCC ID Device Details
| FCC ID | 2BMOJ-S20 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BMOJ |
| Product Code | S20 |
| Applicant Business | Shenzhen ZKS Mobile IoT Tech. Co., Ltd. 🇨🇳 |
| Related Domains |  zksiot.com |
| Equipment Class | AIoT Temperature&Humidity Datalogger |
| Test Firm | BLUEASIA TECHNICAL SERVICES (SHENZHEN) CO., LTD. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 1850-1910 MHz | Original Equipment | 2026-05-27 |
| 2412-2462 MHz | Original Equipment | 2026-05-27 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 13_S20 Users Manual r1 | Users Manual | 2026-05-27 | PDF 504.4 KB |
| 09_S20 Internal Photos | Internal Photos | 2026-05-27 | PDF 2.8 MB |
| 08_S20 External Photos | External Photos | 2026-05-27 | PDF 927.6 KB |
| 07_S20 Label Sample and Location r1 | ID Label/Location Info | 2026-05-27 | PDF 57.9 KB |
| 15_S20 Test Setup Photos | Test Setup Photos | 2026-05-27 | PDF 415.3 KB |
| 14_S20 Test Report 2.4G WIFI P1 | Test Report | 2026-05-27 | PDF 2.9 MB |
| 14_S20 Test Report 2.4G WIFI P2 | Test Report | 2026-05-27 | PDF 2.2 MB |
| 14_S20 Test Report 2.4G WIFI P3 | Test Report | 2026-05-27 | PDF 4.2 MB |
| 14_S20 Test Report 2.4G WIFI P4 | Test Report | 2026-05-27 | PDF 4.8 MB |
| 14_S20 Test Report 2.4G WIFI P5 | Test Report | 2026-05-27 | PDF 3.5 MB |
| 14_S20 Test Report LTE appendix band 12 | Test Report | 2026-05-27 | PDF 179.2 KB |
| 14_S20 Test Report LTE appendix band 13 | Test Report | 2026-05-27 | PDF 97.9 KB |
| 14_S20 Test Report LTE appendix band 2 | Test Report | 2026-05-27 | PDF 215.8 KB |
| 14_S20 Test Report LTE appendix band 4 | Test Report | 2026-05-27 | PDF 214.9 KB |
| 14_S20 Test Report LTE appendix band 5 | Test Report | 2026-05-27 | PDF 179.1 KB |
| 14_S20 Test Report LTE appendix band 66 | Test Report | 2026-05-27 | PDF 215 KB |
| 14_S20 Test Report LTE r3 | Test Report | 2026-05-27 | PDF 1.7 MB |
| 16_S20 Antenna Specification_LTE | Test Report | 2026-05-27 | PDF 1.1 MB |
| 16_S20 Antenna Specification_WIFI | Test Report | 2026-05-27 | PDF 555.3 KB |
| LTE Appendix A1_P1 | Test Report | 2026-05-27 | PDF 4.4 MB |
| LTE Appendix A1_P10 | Test Report | 2026-05-27 | PDF 3.5 MB |
| LTE Appendix A1_P11 | Test Report | 2026-05-27 | PDF 5.6 MB |
| LTE Appendix A1_P12 | Test Report | 2026-05-27 | PDF 5.6 MB |
| LTE Appendix A1_P13 | Test Report | 2026-05-27 | PDF 5.6 MB |
| LTE Appendix A1_P14 | Test Report | 2026-05-27 | PDF 805.7 KB |
| LTE Appendix A1_P2 | Test Report | 2026-05-27 | PDF 5.2 MB |
| LTE Appendix A1_P3 | Test Report | 2026-05-27 | PDF 5.2 MB |
| LTE Appendix A1_P4 | Test Report | 2026-05-27 | PDF 1.4 MB |
| LTE Appendix A1_P5 | Test Report | 2026-05-27 | PDF 5.6 MB |
| LTE Appendix A1_P6 | Test Report | 2026-05-27 | PDF 5.6 MB |
| LTE Appendix A1_P7 | Test Report | 2026-05-27 | PDF 5.6 MB |
| LTE Appendix A1_P8 | Test Report | 2026-05-27 | PDF 5.6 MB |
| LTE Appendix A1_P9 | Test Report | 2026-05-27 | PDF 4.2 MB |
| 02_S20 Covered Equipment Certification Attestation Letter | Attestation Statements | 2026-05-27 | PDF 66.2 KB |
| 03_S20 U.S. Agent Designation Attestation Letter | Attestation Statements | 2026-05-27 | PDF 121 KB |
| 04_S20 Authorization-Agent | Cover Letter(s) | 2026-05-27 | PDF 124.9 KB |
| 05_S20 Authorization-CT | Cover Letter(s) | 2026-05-27 | PDF 96.8 KB |
| 06_S20 Long-Confidential Request R1 | Cover Letter(s) | 2026-05-27 | PDF 92.5 KB |
| 17_S20 RF Exp Info r1 | RF Exposure Info | 2026-05-27 | PDF 476.6 KB |
| 11_S20 Block Diagram Metadata only | Block Diagram | PDF 14.9 KB | |
| 12_S20 Schematics Metadata only | Schematics | PDF 138.6 KB | |
| 10_S20 Operational Description r1 Metadata only | Operational Description | PDF 447.8 KB | |
| Part lists Metadata only | Parts List/Tune Up Info | PDF 134.3 KB | |
| Tune up Procedure R2 Metadata only | Parts List/Tune Up Info | PDF 101.5 KB |
Application Information
| Application ID | uN4ycTfoYVHsA5BBRkqijA== |
|---|---|
| Final Action Date | 2026-05-27 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0036390029 |
| Model | S20 |
| Frequency Range | 1850-1910 MHz |
| Equipment Class | PCB - PCS Licensed Transmitter |
| Device Description | AIoT Temperature&Humidity Datalogger |
| Responsible Party | JING GU, gj@zksiot.com , 15900768746 |
| Non-Technical Contact | Michael Chan, Global Product Services and Consultation LLC, cschanm@gmail.com  , +1 626 366 4358 |
| Test Firm | Blue Zheng, BLUEASIA TECHNICAL SERVICES (SHENZHEN) CO., LTD., blue_zheng@cblueasia.com  , +86-755-28682673 |
| TCB Email | tcbadmin@compliancetesting.com  |
| TCB Scope | B1: Commercial mobile radio services equipment in the following 47 CFR Parts 20, 22 (cellular), 24,25 (below 3 GHz) & 27 |
| Short-Term Confidentiality | No |
| 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 |
|---|---|---|
| uN4ycTfoYVHsA5BBRkqijA== | 2026-05-27 | Original Equipment |
| /MWJW0M9ruDm2ShMb9+YCQ== | 2026-05-27 | Original Equipment |
Equipment Authorization
| Frequency | Output | Tolerance | Emission | Rules | Grant Notes |
|---|---|---|---|---|---|
| 1850-1910 MHz | 0.331131 | 2.5 PM | 17M9G7D | 24E | 41 |
| 1850-1910 MHz | 0.292415 | 2.5 PM | 17M3W7D | 24E | 41 |
| 1710-1755 MHz | 0.341979 | 2.5 PM | 17M9G7D | 27 | 41 |
| 1710-1755 MHz | 0.185353 | 2.5 PM | 17M3G7D | 27 | 41 |
| 824-849 MHz | 0.213304 | 2.5 PM | 8M92G7D | 22H | 41 |
| 824-849 MHz | 0.187499 | 2.5 PM | 8M72W7D | 22H | 41 |
| 699-716 MHz | 0.206538 | 2.5 PM | 8M94G7D | 27 | 41 |
| 699-716 MHz | 0.176604 | 2.5 PM | 8M68W7D | 27 | 41 |
| 777-787 MHz | 0.196789 | 2.5 PM | 8M94G7D | 27 | 41 |
| 777-787 MHz | 0.168655 | 2.5 PM | 8M68W7D | 27 | 41 |
| 1710-1780 MHz | 0.32961 | 2.5 PM | 17M9G7D | 27 | 41 |
| 1710-1780 MHz | 0.259418 | 2.5 PM | 17M2W7D | 27 | 41 |
| 2412-2462 MHz | 0.007152 | 15C | 41 |
Grants
TCB Grant - Application uN4ycTfoYVHsA5BBRkqijA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Compliance Testing, LLC 1724 S. Nevada Way Mesa, AZ 85204 |
Date of Grant: 05/27/2026 Application Dated: 05/27/2026 |
| Shenzhen ZKS Mobile IoT Tech. Co., Ltd. |
| 405, Wanwei Building, Gongye 5th Road, |
| Nanshan District, Shenzhen |
| Shenzhen, China |
| Attention: JING GU , |
| 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: | 2BMOJ-S20 |
| Name of Grantee: | Shenzhen ZKS Mobile IoT Tech. Co., Ltd. |
| Equipment Class: | PCS Licensed Transmitter |
| Notes: | AIoT Temperature&Humidity Datalogger |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 41 | 24E | 1850.0 - 1910.0 | 0.331131 | 2.5 PM | 17M9G7D |
| 41 | 24E | 1850.0 - 1910.0 | 0.292415 | 2.5 PM | 17M3W7D |
| 41 | 27 | 1710.0 - 1755.0 | 0.341979 | 2.5 PM | 17M9G7D |
| 41 | 27 | 1710.0 - 1755.0 | 0.185353 | 2.5 PM | 17M3G7D |
| 41 | 22H | 824.0 - 849.0 | 0.213304 | 2.5 PM | 8M92G7D |
| 41 | 22H | 824.0 - 849.0 | 0.187499 | 2.5 PM | 8M72W7D |
| 41 | 27 | 699.0 - 716.0 | 0.206538 | 2.5 PM | 8M94G7D |
| 41 | 27 | 699.0 - 716.0 | 0.176604 | 2.5 PM | 8M68W7D |
| 41 | 27 | 777.0 - 787.0 | 0.196789 | 2.5 PM | 8M94G7D |
| 41 | 27 | 777.0 - 787.0 | 0.168655 | 2.5 PM | 8M68W7D |
| 41 | 27 | 1710.0 - 1780.0 | 0.32961 | 2.5 PM | 17M9G7D |
| 41 | 27 | 1710.0 - 1780.0 | 0.259418 | 2.5 PM | 17M2W7D |
| Output power listed is EIRP and ERP for above and below 1 GHz, respectively. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filling. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device supports bandwidths of 1.4/3/5/10/15/20 MHz for LTE Band 2, 4 and 66, bandwidths of 1.4/3/5/10 MHz for LTE Band 5 and 12, and bandwidths of 5/10 MHz for LTE band 13. |
| 41: | Installation of this device must not be readily accessible to human subjects closer than 20 cm. |
TCB Grant - Application /MWJW0M9ruDm2ShMb9+YCQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Compliance Testing, LLC 1724 S. Nevada Way Mesa, AZ 85204 |
Date of Grant: 05/27/2026 Application Dated: 05/27/2026 |
| Shenzhen ZKS Mobile IoT Tech. Co., Ltd. |
| 405, Wanwei Building, Gongye 5th Road, |
| Nanshan District, Shenzhen |
| Shenzhen, China |
| Attention: JING GU , |
| 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: | 2BMOJ-S20 |
| Name of Grantee: | Shenzhen ZKS Mobile IoT Tech. Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | AIoT Temperature&Humidity Datalogger |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 41 | 15C | 2412.0 - 2462.0 | 0.007152 |
| Output power listed is conducted. |
| 41: | Installation of this device must not be readily accessible to human subjects closer than 20 cm. |