FCC ID 2AIZN-X6728
Mobile Phone
by INFINIX MOBILITY LIMITED
Grantee Code: 2AIZN Product Code: X6728
Latest application date: 2025-05-28
FCC ID Device Details
| FCC ID | 2AIZN-X6728 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AIZN |
| Product Code | X6728 |
| Applicant Business | INFINIX MOBILITY LIMITED |
| Related Domains |  infinixmobility.com  baluntek.com |
| Equipment Class | Mobile Phone |
| Test Firm | Shanghai Tejet Communications Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-05-28 |
| 2402-2480 MHz | Original Equipment | 2025-05-28 |
| 824.2-848.8 MHz | Original Equipment | 2025-05-28 |
| 13.56 MHz | Original Equipment | 2025-05-28 |
| 5180-5240 MHz | Original Equipment | 2025-05-28 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2025-11-25 | PDF 574.4 KB |
| Internal Photos | Internal Photos | 2025-11-25 | PDF 2.7 MB |
| External Photos | External Photos | 2025-11-25 | PDF 675.3 KB |
| ID Label/Location Info | ID Label/Location Info | 2025-05-28 | PDF 190 KB |
| Test Setup Photos_RF | Test Setup Photos | 2025-11-25 | PDF 860.1 KB |
| Test Setup Photos_RF | Test Setup Photos | 2025-11-25 | PDF 668.5 KB |
| Test Setup Photos_RF | Test Setup Photos | 2025-11-25 | PDF 953.7 KB |
| Test Setup Photos_SAR | Test Setup Photos | 2025-11-25 | PDF 1.1 MB |
| Antenna Report | Test Report | 2025-05-28 | PDF 1.7 MB |
| Antenna Report | Test Report | 2025-05-28 | PDF 485.5 KB |
| Test Report | Test Report | 2025-05-28 | PDF 1.5 MB |
| Test Report | Test Report | 2025-05-28 | PDF 1.2 MB |
| Test Report_BLE | Test Report | 2025-05-28 | PDF 3.3 MB |
| Test Report_DFS | Test Report | 2025-05-28 | PDF 1.9 MB |
| Test Report_Data Part 1_1 | Test Report | 2025-05-28 | PDF 3.3 MB |
| Test Report_Data Part 1_2 | Test Report | 2025-05-28 | PDF 3.5 MB |
| Test Report_Data Part 2_1 | Test Report | 2025-05-28 | PDF 4.8 MB |
| Test Report_Data Part 2_2 | Test Report | 2025-05-28 | PDF 4.9 MB |
| Test Report_Data Part 2_3 | Test Report | 2025-05-28 | PDF 4.9 MB |
| Test Report_Data Part 2_4 | Test Report | 2025-05-28 | PDF 4.5 MB |
| Test Report_Data Part 3_1 | Test Report | 2025-05-28 | PDF 3.2 MB |
| Test Report_Data Part 3_2 | Test Report | 2025-05-28 | PDF 3.5 MB |
| Test Report_Data Part 3_3 | Test Report | 2025-05-28 | PDF 4.1 MB |
| Test Report_Data Part 4_1 | Test Report | 2025-05-28 | PDF 4.8 MB |
| Test Report_Data Part 4_2 | Test Report | 2025-05-28 | PDF 5 MB |
| Test Report_Data Part 4_3 | Test Report | 2025-05-28 | PDF 4.7 MB |
| Test Report_Data Part 5 | Test Report | 2025-05-28 | PDF 4.4 MB |
| Test Report_NII | Test Report | 2025-05-28 | PDF 3.2 MB |
| Test Report_NII_Data Part 1 | Test Report | 2025-05-28 | PDF 3 MB |
| Test Report_NII_Data Part 2 | Test Report | 2025-05-28 | PDF 975.2 KB |
| Test Report_NII_Data Part 3 | Test Report | 2025-05-28 | PDF 3 MB |
| Test Report_RF-1 | Test Report | 2025-05-28 | PDF 4.7 MB |
| Test Report_RF-2 | Test Report | 2025-05-28 | PDF 4.2 MB |
| Test Report_SAR | RF Exposure Info | 2025-05-28 | PDF 3.1 MB |
| Test Report_WLAN-1 | Test Report | 2025-05-28 | PDF 5.4 MB |
| Test Report_WLAN-2 | Test Report | 2025-05-28 | PDF 3.6 MB |
| Antenna Report Metadata only | SDR Software/Security Info. | 2025-05-28 | PDF 1.7 MB |
| Attestation Statements | Attestation Statements | 2025-05-28 | PDF 84.9 KB |
| US Agent Letter | Attestation Statements | 2025-05-28 | PDF 197.4 KB |
| Authorization Letter | Cover Letter(s) | 2025-05-28 | PDF 81.4 KB |
| Confidentiality | Cover Letter(s) | 2025-05-28 | PDF 84.3 KB |
| DTS _Software Configuration Control declaration | Cover Letter(s) | 2025-05-28 | PDF 69.4 KB |
| Calibration report | RF Exposure Info | 2025-05-28 | PDF 3.7 MB |
| Test data | RF Exposure Info | 2025-05-28 | PDF 1.1 MB |
| Block Diagram Metadata only | Block Diagram | PDF 204.2 KB | |
| Schematics Metadata only | Schematics | PDF 1.2 MB | |
| Operational Description Metadata only | Operational Description | PDF 223.1 KB | |
| Software Security Info. Metadata only | Operational Description | PDF 162 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 746 KB | |
| Tune up Procedure Metadata only | Parts List/Tune Up Info | PDF 770.6 KB |
Application Information
| Application ID | znpqZHAXjo+SatXuXdz8dQ== |
|---|---|
| Final Action Date | 2025-05-28 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0025707605 |
| Model | X6728 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Mobile Phone |
| Responsible Party | Jerry Liu, jerry.liu@infinixmobility.com , +86-0755-61803856 |
| Agent | xuewen xuewen xuewen, Shenzhen BALUN Technology Co., Ltd., cbproject@baluntek.com , 075566850100 |
| Technical Contact | xuewen wu, Shenzhen BALUN Technology Co., Ltd., cbproject@baluntek.com , 075566850100 |
| Non-Technical Contact | Tiffany Zhang, Shenzhen BALUN Technology Co., Ltd., cbproject@baluntek.com , 075566850100 |
| Test Firm | Carol Duan, Shanghai Tejet Communications Technology Co., Ltd., xiaohong.duan@titcgroup.com  , 86-021-58180736 |
| TCB Email | dl_radio-certification@kiwa.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 11/25/2025 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Output power listed is conducted. SAR compliance for body-worn operating conditions 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 a minimum separation distance of 0 mm between the device and the body. End-users must be informed of the body-worn operating requirements for satisfying RF exposure compliance. The highest reported SAR values for head, body-worn accessory, product specific (hotspot) and simultaneous transmission use conditions are 0.37 W/kg, 0.17 W/kg, 0.17 W/kg and 1.15 W/kg respectively. This device supports 20 MHz bandwidth modes. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| znpqZHAXjo+SatXuXdz8dQ== | 2025-05-28 | Original Equipment |
| JMp1MSzLE8SXsX3CMYKJWA== | 2025-05-28 | Original Equipment |
| IEP72BBZ1dUtPBlbdtffHA== | 2025-05-28 | Original Equipment |
| EoPRrxBrQDdAXRe5U+WGSA== | 2025-05-28 | Original Equipment |
| /8GAlWJPUbb40GOfDn6ilg== | 2025-05-28 | Original Equipment |
Equipment Authorization
| Frequency | Output | Tolerance | Grant Notes |
|---|---|---|---|
| 13.56 MHz | CC | ||
| 824.7-848.3 MHz | 0.013 | 2.5ppm | |
| 824.7-848.3 MHz | 0.012 | 2.5ppm | |
| 826.4-846.6 MHz | 0.017 | 2.5ppm | |
| 1710.7-1754.3 MHz | 0.012 | 2.5ppm | |
| 1710.7-1754.3 MHz | 0.013 | 2.5ppm | |
| 1712.4-1752.6 MHz | 0.01 | 2.5ppm | |
| 1850.7-1909.3 MHz | 0.01 | 2.5ppm | |
| 1850.7-1909.3 MHz | 0.011 | 2.5ppm | |
| 1852.4-1907.6 MHz | 0.009 | 2.5ppm | |
| 2402-2480 MHz | 0.0240000 | CC | |
| 2402-2480 MHz | 0.00077 | CC | |
| 2412-2462 MHz | 0.17 | CC | |
| 2498.5-2687.5 MHz | 0.014 | 2.5ppm | |
| 2502.5-2567.5 MHz | 0.007 | 2.5ppm | |
| 2502.5-2567.5 MHz | 0.006 | 2.5ppm | |
| 2572.5-2617.5 MHz | 0.014 | 2.5ppm | |
| 5180-5240 MHz | 0.057 | CC | |
| 5260-5320 MHz | 0.058 | CC, ND | |
| 5500-5700 MHz | 0.057 | CC, ND | |
| 5745-5825 MHz | 0.055 | CC |
Grants
TCB Grant - Application znpqZHAXjo+SatXuXdz8dQ==
| 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: 05/28/2025 Application Dated: 05/28/2025 |
| INFINIX MOBILITY LIMITED |
| FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL |
| CENTRE 19-25 SHAN MEI STREET FOTAN |
| NT, Hong Kong |
| Attention: Jerry Liu , |
| 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: | 2AIZN-X6728 |
| Name of Grantee: | INFINIX MOBILITY LIMITED |
| Equipment Class: | Digital Transmission System |
| Notes: | Mobile Phone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 2402.0 - 2480.0 | 0.00077 | |||
| CC | 15C | 2412.0 - 2462.0 | 0.17 |
| Output power listed is conducted. SAR compliance for body-worn operating conditions 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 a minimum separation distance of 0 mm between the device and the body. End-users must be informed of the body-worn operating requirements for satisfying RF exposure compliance. The highest reported SAR values for head, body-worn accessory, product specific (hotspot) and simultaneous transmission use conditions are 0.37 W/kg, 0.17 W/kg, 0.17 W/kg and 1.15 W/kg respectively. This device supports 20 MHz bandwidth modes. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application JMp1MSzLE8SXsX3CMYKJWA==
| 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: 05/28/2025 Application Dated: 05/28/2025 |
| INFINIX MOBILITY LIMITED |
| FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL |
| CENTRE 19-25 SHAN MEI STREET FOTAN |
| NT, Hong Kong |
| Attention: Jerry Liu , |
| 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: | 2AIZN-X6728 |
| Name of Grantee: | INFINIX MOBILITY LIMITED |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Mobile Phone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.024 |
| Output power listed is conducted. SAR compliance for body-worn operating conditions 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 a minimum separation distance of 0 mm between the device and the body. End-users must be informed of the body-worn operating requirements for satisfying RF exposure compliance. The highest reported SAR values for head, body-worn accessory, product specific (hotspot) and simultaneous transmission use conditions are 0.31 W/kg, 0.10 W/kg, 0.12 W/kg and 1.47 W/kg respectively. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application IEP72BBZ1dUtPBlbdtffHA==
| 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: 05/28/2025 Application Dated: 05/28/2025 |
| INFINIX MOBILITY LIMITED |
| FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL |
| CENTRE 19-25 SHAN MEI STREET FOTAN |
| NT, Hong Kong |
| Attention: Jerry Liu , |
| 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: | 2AIZN-X6728 |
| Name of Grantee: | INFINIX MOBILITY LIMITED |
| Equipment Class: | PCS Licensed Transmitter held to ear |
| Notes: | Mobile Phone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 22H | 824.2 - 848.8 | 0.042 | 2.5 PM | 247KGXW | |
| 24E | 1850.2 - 1909.8 | 0.104 | 2.5 PM | 247KGXW | |
| 24E | 1852.4 - 1907.6 | 0.009 | 2.5 PM | 4M16F9W | |
| 27 | 1712.4 - 1752.6 | 0.01 | 2.5 PM | 4M16F9W | |
| 22H | 826.4 - 846.6 | 0.017 | 2.5 PM | 4M15F9W | |
| 24E | 1850.7 - 1909.3 | 0.01 | 2.5 PM | 18M0G7D | |
| 24E | 1850.7 - 1909.3 | 0.01 | 2.5 PM | 18M0W7D | |
| 24E | 1850.7 - 1909.3 | 0.011 | 2.5 PM | 9M77W7D | |
| 27 | 1710.7 - 1754.3 | 0.012 | 2.5 PM | 17M9G7D | |
| 27 | 1710.7 - 1754.3 | 0.012 | 2.5 PM | 17M9W7D | |
| 27 | 1710.7 - 1754.3 | 0.013 | 2.5 PM | 1M09G7D | |
| 27 | 1710.7 - 1754.3 | 0.013 | 2.5 PM | 2M70W7D | |
| 22H | 824.7 - 848.3 | 0.013 | 2.5 PM | 8M95G7D | |
| 22H | 824.7 - 848.3 | 0.012 | 2.5 PM | 8M94W7D | |
| 22H | 824.7 - 848.3 | 0.013 | 2.5 PM | 1M09W7D | |
| 27 | 2502.5 - 2567.5 | 0.007 | 2.5 PM | 17M9G7D | |
| 27 | 2502.5 - 2567.5 | 0.006 | 2.5 PM | 17M9W7D | |
| 27 | 2502.5 - 2567.5 | 0.006 | 2.5 PM | 4M49G7D | |
| 27 | 2502.5 - 2567.5 | 0.007 | 2.5 PM | 4M49W7D | |
| 27 | 2572.5 - 2617.5 | 0.014 | 2.5 PM | 18M0G7D | |
| 27 | 2572.5 - 2617.5 | 0.014 | 2.5 PM | 17M9W7D | |
| 27 | 2498.5 - 2687.5 | 0.014 | 2.5 PM | 18M0G7D | |
| 27 | 2498.5 - 2687.5 | 0.014 | 2.5 PM | 18M0W7D |
| Power Output is ERP for part 22 and 27(Below 1GHz) and EIRP for Part 24 and 27(Above 1GHz). This device has 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, 15 MHz and 20 MHz bandwidth modes for LTE Bands 2/4; 1.4 MHz, 3 MHz, 5 MHz and 10 MHz bandwidth modes for LTE Bands 5; 5 MHz, 10 MHz, 15 MHz and 20 MHz bandwidth modes for LTE Bands 7/38/41. SAR compliance for body-worn operating conditions 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 a minimum separation distance of 0 mm between the device and the body. End-users must be informed of the body-worn operating requirements for satisfying RF exposure compliance. The highest reported SAR values for head, body-worn accessory, product specific (hotspot) and simultaneous transmission use conditions are 1.00 W/kg, 0.24 W/kg, 0.30 W/kg and 1.47 W/kg respectively. |
TCB Grant - Application EoPRrxBrQDdAXRe5U+WGSA==
| 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: 05/28/2025 Application Dated: 05/28/2025 |
| INFINIX MOBILITY LIMITED |
| FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL |
| CENTRE 19-25 SHAN MEI STREET FOTAN |
| NT, Hong Kong |
| Attention: Jerry Liu , |
| 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: | 2AIZN-X6728 |
| Name of Grantee: | INFINIX MOBILITY LIMITED |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Mobile Phone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 13.56 - 13.56 |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application /8GAlWJPUbb40GOfDn6ilg==
| 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: 05/28/2025 Application Dated: 05/28/2025 |
| INFINIX MOBILITY LIMITED |
| FLAT N 16/F BLOCK B UNIVERSAL INDUSTRIAL |
| CENTRE 19-25 SHAN MEI STREET FOTAN |
| NT, Hong Kong |
| Attention: Jerry Liu , |
| 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: | 2AIZN-X6728 |
| Name of Grantee: | INFINIX MOBILITY LIMITED |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | Mobile Phone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.057 | ||
| CC ND | 15E | 5260.0 - 5320.0 | 0.058 | ||
| CC ND | 15E | 5500.0 - 5700.0 | 0.057 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.055 |
| Output power listed is conducted. SAR compliance for body-worn operating conditions 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 a minimum separation distance of 0 mm between the device and the body. End-users must be informed of the body-worn operating requirements for satisfying RF exposure compliance. The highest reported SAR for head, body-worn accessory, product specific(hotspot), extremity (hand) and simultaneous transmission exposure conditions are 0.51 W/kg, 0.37 W/kg, 0.41 W/kg, 0.54 W/kg and 1.47 W/kg, respectively. This device supports 20 MHz, 40 MHz and 80 MHz bandwidth modes. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| ND: | This UNII device complies with the Transmit Power Control (TPC) and Dynamic Frequency Selection (DFS) requirements in Section 15.407(h). |