FCC ID 2BUE4YI-939D
4G POC Radio
by Quanzhou Yiyan Electronics Co., Ltd
Grantee Code: 2BUE4 Product Code: YI939D
Latest application date: 2026-06-30
FCC ID Device Details
| FCC ID | 2BUE4YI-939D |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BUE4 |
| Product Code | YI939D |
| Applicant Business | Quanzhou Yiyan Electronics Co., Ltd 🇨🇳 |
| Related Domains |  yi-yan.cn  wedogroup.com.cn |
| Equipment Class | 4G POC Radio |
| Test Firm | Attestation of Global Compliance (Shenzhen) Co., L |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2510-2560 MHz | Original Equipment | 2026-06-30 |
| 406.1-470 MHz | Original Equipment | 2026-06-30 |
| 400-470 MHz | Original Equipment | 2026-06-30 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-06-30 | PDF 920 KB |
| User manual | Users Manual | 2026-06-30 | PDF 920 KB |
| InternalPhotos | Internal Photos | 2026-06-30 | PDF 5.9 MB |
| ExternalPhotos | External Photos | 2026-06-30 | PDF 2.7 MB |
| Label-location | ID Label/Location Info | 2026-06-30 | PDF 684.3 KB |
| LabelInfo&Location | ID Label/Location Info | 2026-06-30 | PDF 684.3 KB |
| Test Setup Photos-TNF | Test Setup Photos | 2026-06-30 | PDF 1.6 MB |
| Test Setup photo---CSR | Test Setup Photos | 2026-06-30 | PDF 1.6 MB |
| Test Setup photo---PCF | Test Setup Photos | 2026-06-30 | PDF 1.6 MB |
| LTE Band 2-1 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 2-10 | Test Report | 2026-06-30 | PDF 4.4 MB |
| LTE Band 2-2 | Test Report | 2026-06-30 | PDF 5.4 MB |
| LTE Band 2-3 | Test Report | 2026-06-30 | PDF 5.4 MB |
| LTE Band 2-4 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 2-5 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 2-6 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 2-7 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 2-8 | Test Report | 2026-06-30 | PDF 5.7 MB |
| LTE Band 2-9 | Test Report | 2026-06-30 | PDF 5.7 MB |
| LTE Band 4-1 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 4-10 | Test Report | 2026-06-30 | PDF 4.4 MB |
| LTE Band 4-2 | Test Report | 2026-06-30 | PDF 5.4 MB |
| LTE Band 4-3 | Test Report | 2026-06-30 | PDF 5.4 MB |
| LTE Band 4-4 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 4-5 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 4-6 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 4-7 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 4-8 | Test Report | 2026-06-30 | PDF 5.7 MB |
| LTE Band 4-9 | Test Report | 2026-06-30 | PDF 5.7 MB |
| LTE Band 5-1 | Test Report | 2026-06-30 | PDF 5.6 MB |
| LTE Band 5-2 | Test Report | 2026-06-30 | PDF 5.8 MB |
| LTE Band 5-3 | Test Report | 2026-06-30 | PDF 5.7 MB |
| LTE Band 5-5 | Test Report | 2026-06-30 | PDF 5.7 MB |
| LTE Band 5-6 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 5-7 | Test Report | 2026-06-30 | PDF 2.5 MB |
| LTE Band 66-1 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 66-2 | Test Report | 2026-06-30 | PDF 5.6 MB |
| LTE Band 66-3 | Test Report | 2026-06-30 | PDF 5.6 MB |
| LTE Band 66-4 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 66-5 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 66-6 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 66-7 | Test Report | 2026-06-30 | PDF 5.8 MB |
| LTE Band 66-8 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 66-9 | Test Report | 2026-06-30 | PDF 4.7 MB |
| LTE Band 7-1 | Test Report | 2026-06-30 | PDF 5.6 MB |
| LTE Band 7-2 | Test Report | 2026-06-30 | PDF 5.8 MB |
| LTE Band 7-3 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 7-4 | Test Report | 2026-06-30 | PDF 5.4 MB |
| LTE Band 7-5 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 7-6 | Test Report | 2026-06-30 | PDF 5.5 MB |
| LTE Band 7-7 | Test Report | 2026-06-30 | PDF 4.5 MB |
| Report_LTE | Test Report | 2026-06-30 | PDF 4 MB |
| Report_Part 90-1 | Test Report | 2026-06-30 | PDF 5.4 MB |
| Report_Part 90-2 | Test Report | 2026-06-30 | PDF 5.8 MB |
| Report_Part 90-3 | Test Report | 2026-06-30 | PDF 994.5 KB |
| Test Report for CSR | Test Report | 2026-06-30 | PDF 3.6 MB |
| 2.911 (d)(7) U.S. Agent Letter of Attestation | Attestation Statements | 2026-06-30 | PDF 475.9 KB |
| 2.911 (d)(7)USAgentforServiceofProcessv1.3 | Attestation Statements | 2026-06-30 | PDF 475.9 KB |
| 2.911_(d)(5)(i) Certification Equipment Type v1.2 | Attestation Statements | 2026-06-30 | PDF 761 KB |
| 2.911_(d)(5)(i) Certification Equipment Type v1.2 micom rev | Attestation Statements | 2026-06-30 | PDF 761 KB |
| 2.911_(d)(5)(ii) Certificiation Applicant v1.2 | Attestation Statements | 2026-06-30 | PDF 761 KB |
| 2.911_(d)(5)(ii) Certificiation Applicant v1.3 | Attestation Statements | 2026-06-30 | PDF 761 KB |
| 2.911_(d)(7) US AGENT | Attestation Statements | 2026-06-30 | PDF 475.9 KB |
| Declaration Letter Part 15.121 | Cover Letter(s) | 2026-06-30 | PDF 664 KB |
| FCC Frequency Band | Cover Letter(s) | 2026-06-30 | PDF 579.1 KB |
| FCC Short & Long Term Confidentiality Request Rev4.1 | Cover Letter(s) | 2026-06-30 | PDF 587.2 KB |
| Letter of Authorization Rev 1.0 | Cover Letter(s) | 2026-06-30 | PDF 276.9 KB |
| Part 90 Letter | Cover Letter(s) | 2026-06-30 | PDF 771.8 KB |
| SAR 1 | RF Exposure Info | 2026-06-30 | PDF 2.2 MB |
| SAR 1 | RF Exposure Info | 2026-06-30 | PDF 824.6 KB |
| SAR 2 | RF Exposure Info | 2026-06-30 | PDF 4.4 MB |
| SAR 2 | RF Exposure Info | 2026-06-30 | PDF 4.9 MB |
| Block Metadata only | Block Diagram | PDF 67.4 KB | |
| BlockDiagram Metadata only | Block Diagram | PDF 67.4 KB | |
| SCH Metadata only | Schematics | PDF 705 KB | |
| OP Metadata only | Operational Description | PDF 372 KB | |
| PartList Metadata only | Parts List/Tune Up Info | PDF 2.3 MB | |
| Parts List Metadata only | Parts List/Tune Up Info | PDF 2.3 MB | |
| TUNE UP Metadata only | Parts List/Tune Up Info | PDF 712.3 KB | |
| Tune Up Metadata only | Parts List/Tune Up Info | PDF 712.3 KB | |
| Tune Up Procedure Metadata only | Parts List/Tune Up Info | PDF 712.3 KB |
Application Information
| Application ID | zjmE2dqN45LRwoZD2QQI5Q== |
|---|---|
| Final Action Date | 2026-06-30 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037870425 |
| Model | YI-939D |
| Frequency Range | 2510-2560 MHz |
| Equipment Class | PCF - PCS Licensed Transmitter held to face |
| Device Description | 4G POC Radio |
| Responsible Party | Qifeng Xu, sales3@yi-yan.cn , 18960286599 |
| Technical Contact | Quanzhou Yiyan Electronics Co., Ltd, sales3@yi-yan.cn |
| Non-Technical Contact | Jeffrey Chen, Wedo Group, jeffrey@wedogroup.com.cn , (323) 528-1888 |
| Test Firm | Doris Li, Attestation of Global Compliance (Shenzhen) Co., L, dorisli@agc-cert.com  , +86-755-25234088 |
| TCB Email | certification@micomlabs.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 |
|---|---|---|
| zjmE2dqN45LRwoZD2QQI5Q== | 2026-06-30 | Original Equipment |
| Kluv+YN5Aa7dx4xHpFdxQA== | 2026-06-30 | Original Equipment |
| 0YcQJtNdYNBN8Qr+oNGWGQ== | 2026-06-30 | Original Equipment |
Equipment Authorization
| Frequency | Output | Tolerance | Emission | Rules | Grant Notes |
|---|---|---|---|---|---|
| 1851.5-1908.5 MHz | 0.4819 | 2.5 PM | 2M72G7D | 24E | |
| 1860-1900 MHz | 0.3357 | 2.5 PM | 18M1G7D | 24E | |
| 1860-1900 MHz | 0.2864 | 2.5 PM | 18M0W7D | 24E | |
| 1857.5-1902.5 MHz | 0.3112 | 2.5 PM | 13M5W7D | 24E | |
| 1711.5-1753.5 MHz | 0.3548 | 2.5 PM | 2M72G7D | 27 | |
| 1720-1745 MHz | 0.3524 | 2.5 PM | 18M0G7D | 27 | |
| 1720-1745 MHz | 0.2877 | 2.5 PM | 18M1W7D | 27 | |
| 1710.7-1754.3 MHz | 0.317 | 2.5 PM | 1M11W7D | 27 | |
| 826.5-846.5 MHz | 0.2178 | 2.5 PM | 4M51G7D | 22H | |
| 829-844 MHz | 0.2143 | 2.5 PM | 9M00G7D | 22H | |
| 829-844 MHz | 0.1694 | 2.5 PM | 9M01W7D | 22H | |
| 825.5-847.5 MHz | 0.1824 | 2.5 PM | 2M71W7D | 22H | |
| 2510-2560 MHz | 0.2979 | 2.5 PM | 18M1G7D | 27 | |
| 2510-2560 MHz | 0.2748 | 2.5 PM | 18M0W7D | 27 | |
| 2507.5-2562.5 MHz | 0.3062 | 2.5 PM | 13M5W7D | 27 | |
| 1720-1770 MHz | 0.3656 | 2.5 PM | 18M1G7D | 27 | |
| 1720-1770 MHz | 0.2992 | 2.5 PM | 18M1W7D | 27 | |
| 1717.5-1772.5 MHz | 0.3342 | 2.5 PM | 13M5W7D | 27 | |
| 400-406 MHz | 4.5082 | 2.5 PM | 9K94F3E | 90 | EF |
| 400-406 MHz | 4.4978 | 2.5 PM | 7K85F1D | 90 | EF ES |
| 406.1-470 MHz | 4.5082 | 2.5 PM | 9K94F3E | 90 | EF |
| 406.1-470 MHz | 4.4978 | 2.5 PM | 7K85F1D | 90 | EF ES |
| 400-406 MHz | 4.4978 | 2.5 PM | 7K85F1W | 90 | EF ES |
| 400-406 MHz | 0.9204 | 2.5 PM | 9K94F3E | 90 | EF |
| 406.1-470 MHz | 4.4978 | 2.5 PM | 7K85F1W | 90 | EF ES |
| 406.1-470 MHz | 0.9204 | 2.5 PM | 9K94F3E | 90 | EF |
| 400-406 MHz | 0.9036 | 2.5 PM | 7K82F1D | 90 | EF ES |
| 400-406 MHz | 0.9036 | 2.5 PM | 7K82F1W | 90 | EF ES |
| 406.1-470 MHz | 0.9036 | 2.5 PM | 7K82F1D | 90 | EF ES |
| 406.1-470 MHz | 0.9036 | 2.5 PM | 7K82F1W | 90 | EF ES |
| 400-470 MHz | 15B |
Grants
TCB Grant - Application zjmE2dqN45LRwoZD2QQI5Q==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
MiCOM Labs 575 Boulder Court Pleasanton, CA 94566 |
Date of Grant: 06/30/2026 Application Dated: 06/30/2026 |
| Quanzhou Yiyan Electronics Co., Ltd |
| No.928 Nanhuan Road, |
| Jiangnan High Technology Industry Park P.O. Box 36200, |
| Quanzhou, Fujian, China |
| Attention: Qifeng Xu , |
| 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: | 2BUE4YI-939D |
| Name of Grantee: | Quanzhou Yiyan Electronics Co., Ltd |
| Equipment Class: | PCS Licensed Transmitter held to face |
| Notes: | 4G POC Radio |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 24E | 1851.5 - 1908.5 | 0.4819 | 2.5 PM | 2M72G7D | |
| 24E | 1860.0 - 1900.0 | 0.3357 | 2.5 PM | 18M1G7D | |
| 24E | 1860.0 - 1900.0 | 0.2864 | 2.5 PM | 18M0W7D | |
| 24E | 1857.5 - 1902.5 | 0.3112 | 2.5 PM | 13M5W7D | |
| 27 | 1711.5 - 1753.5 | 0.3548 | 2.5 PM | 2M72G7D | |
| 27 | 1720.0 - 1745.0 | 0.3524 | 2.5 PM | 18M0G7D | |
| 27 | 1720.0 - 1745.0 | 0.2877 | 2.5 PM | 18M1W7D | |
| 27 | 1710.7 - 1754.3 | 0.317 | 2.5 PM | 1M11W7D | |
| 22H | 826.5 - 846.5 | 0.2178 | 2.5 PM | 4M51G7D | |
| 22H | 829.0 - 844.0 | 0.2143 | 2.5 PM | 9M00G7D | |
| 22H | 829.0 - 844.0 | 0.1694 | 2.5 PM | 9M01W7D | |
| 22H | 825.5 - 847.5 | 0.1824 | 2.5 PM | 2M71W7D | |
| 27 | 2510.0 - 2560.0 | 0.2979 | 2.5 PM | 18M1G7D | |
| 27 | 2510.0 - 2560.0 | 0.2748 | 2.5 PM | 18M0W7D | |
| 27 | 2507.5 - 2562.5 | 0.3062 | 2.5 PM | 13M5W7D | |
| 27 | 1720.0 - 1770.0 | 0.3656 | 2.5 PM | 18M1G7D | |
| 27 | 1720.0 - 1770.0 | 0.2992 | 2.5 PM | 18M1W7D | |
| 27 | 1717.5 - 1772.5 | 0.3342 | 2.5 PM | 13M5W7D |
| Power output listed is ERP for frequencies below 1GHz and EIRP for frequencies above 1GHz. SAR compliance for body-worn operating configurations is limited to the specific configurations tested for this filing. Body-worn operations are restricted to belt-clips, holsters or similar accessories that have no metallic component in the assembly and must provide at least 25 mm separation between the device and the body of the user. End-users must be informed of the body-worn operating requirements for satisfying RF exposure compliance. The highest reported SAR for head, body-worn SAR accessory are 0.54 W/kg and 0.11 W/kg respectively. |
TCB Grant - Application Kluv+YN5Aa7dx4xHpFdxQA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
MiCOM Labs 575 Boulder Court Pleasanton, CA 94566 |
Date of Grant: 06/30/2026 Application Dated: 06/30/2026 |
| Quanzhou Yiyan Electronics Co., Ltd |
| No.928 Nanhuan Road, |
| Jiangnan High Technology Industry Park P.O. Box 36200, |
| Quanzhou, Fujian, China |
| Attention: Qifeng Xu , |
| 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: | 2BUE4YI-939D |
| Name of Grantee: | Quanzhou Yiyan Electronics Co., Ltd |
| Equipment Class: | Licensed Non-Broadcast Transmitter Held to Face |
| Notes: | 4G POC Radio |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| EF | 90 | 400.0 - 406.0 | 4.5082 | 2.5 PM | 9K94F3E |
| EF ES | 90 | 400.0 - 406.0 | 4.4978 | 2.5 PM | 7K85F1D |
| EF | 90 | 406.1 - 470.0 | 4.5082 | 2.5 PM | 9K94F3E |
| EF ES | 90 | 406.1 - 470.0 | 4.4978 | 2.5 PM | 7K85F1D |
| EF ES | 90 | 400.0 - 406.0 | 4.4978 | 2.5 PM | 7K85F1W |
| EF | 90 | 400.0 - 406.0 | 0.9204 | 2.5 PM | 9K94F3E |
| EF ES | 90 | 406.1 - 470.0 | 4.4978 | 2.5 PM | 7K85F1W |
| EF | 90 | 406.1 - 470.0 | 0.9204 | 2.5 PM | 9K94F3E |
| EF ES | 90 | 400.0 - 406.0 | 0.9036 | 2.5 PM | 7K82F1D |
| EF ES | 90 | 400.0 - 406.0 | 0.9036 | 2.5 PM | 7K82F1W |
| EF ES | 90 | 406.1 - 470.0 | 0.9036 | 2.5 PM | 7K82F1D |
| EF ES | 90 | 406.1 - 470.0 | 0.9036 | 2.5 PM | 7K82F1W |
| Power output listed is conducted. This device must be restricted to work-related operations only in an Occupational/Controlled RF exposure environment and must operate with a duty factor not exceeding 50%. All qualified end-users of this device must have the knowledge to control their exposure conditions and/or duration to comply with Occupational /Controlled Exposure limit and requirements. A label, as described in this filing, must be displayed on the device to direct users to specific training information for meeting Occupational Exposure Requirements. Body-worn SAR compliance is limited to belt-clips, holsters or similar accessories that have no metallic component in the assembly and must provide a minimum of 2.5cm between the device, including its antenna, and the user's body. The highest reported SAR values for Face held and Body-worn accessory are 2.38 W/kg and 3.77 W/kg respectively when operating at 50% duty cycle. |
| EF: | This device may contain functions that are not operational in U.S Territories except as noted in the filing. This grant has extended frequencies as noted in the filing and Section 2.927(b) applies to this authorization. |
| ES: | This equipment is capable of supporting a minimum data rate of 4800 bits per second per 6.25 kHz of channel bandwidth. |
TCB Grant - Application 0YcQJtNdYNBN8Qr+oNGWGQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
MiCOM Labs 575 Boulder Court Pleasanton, CA 94566 |
Date of Grant: 06/30/2026 Application Dated: 06/30/2026 |
| Quanzhou Yiyan Electronics Co., Ltd |
| No.928 Nanhuan Road, |
| Jiangnan High Technology Industry Park P.O. Box 36200, |
| Quanzhou, Fujian, China |
| Attention: Qifeng Xu , |
| 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: | 2BUE4YI-939D |
| Name of Grantee: | Quanzhou Yiyan Electronics Co., Ltd |
| Equipment Class: | Scanning Receiver |
| Notes: | 4G POC Radio |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15B | 400.0 - 470.0 |