FCC ID 2BVA7-K7K8
AI camera
by Dongguan Jintai Yi Electronics Co., Ltd
Grantee Code: 2BVA7 Product Code: K7K8
Latest application date: 2026-06-15
FCC ID Device Details
| FCC ID | 2BVA7-K7K8 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BVA7 |
| Product Code | K7K8 |
| Applicant Business | Dongguan Jintai Yi Electronics Co., Ltd 🇨🇳 |
| Related Domains |  kingtop-group.com |
| Equipment Class | AI camera |
| Test Firm | SHENZHEN CTA TESTING TECHNOLOGY CO., LTD. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-06-15 |
| 5745-5825 MHz | Original Equipment | 2026-06-15 |
| 2570-2620 MHz | Original Equipment | 2026-06-15 |
| 2412-2462 MHz | Original Equipment | 2026-06-15 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-06-15 | PDF 362.5 KB |
| Internal Photos - K7 max | Internal Photos | 2026-06-15 | PDF 1,013.4 KB |
| Internal Photos - K7 max | Test Report | 2026-06-15 | PDF 1,013.4 KB |
| Internal Photos - K8 max | Internal Photos | 2026-06-15 | PDF 1 MB |
| Label and Location | Internal Photos | 2026-06-15 | PDF 265.5 KB |
| External Photos - K7 max | External Photos | 2026-06-15 | PDF 568.2 KB |
| External Photos - K8 max | External Photos | 2026-06-15 | PDF 618.5 KB |
| Label and Location | ID Label/Location Info | 2026-06-15 | PDF 265.5 KB |
| 2BVA7-K7_SAR Test setup photo | Test Setup Photos | 2026-06-15 | PDF 896.1 KB |
| 2BVA7-K8_SAR Test setup photo | Test Setup Photos | 2026-06-15 | PDF 1.2 MB |
| Test Setup Photos | Test Setup Photos | 2026-06-15 | PDF 780.5 KB |
| Antenna specification-WIFI | Test Report | 2026-06-15 | PDF 1.8 MB |
| CTA26012301201_Test Report-GSM_Part1 | Test Report | 2026-06-15 | PDF 5.7 MB |
| CTA26012301201_Test Report-GSM_Part2 | Test Report | 2026-06-15 | PDF 2.1 MB |
| CTA26012301202_Test Report-WCDMA | Test Report | 2026-06-15 | PDF 3.4 MB |
| CTA26012301203_Test Report-LTE band 2 | Test Report | 2026-06-15 | PDF 1.3 MB |
| CTA26012301204_Test Report-LTE band 4 | Test Report | 2026-06-15 | PDF 1.3 MB |
| CTA26012301205_Test Report-LTE band 5 | Test Report | 2026-06-15 | PDF 1.3 MB |
| CTA26012301206_Test Report-LTE band 7 | Test Report | 2026-06-15 | PDF 1.2 MB |
| CTA26012301207_Test Report-LTE band 17 | Test Report | 2026-06-15 | PDF 1.3 MB |
| CTA26012301208_Test Report-LTE band 38 | Test Report | 2026-06-15 | PDF 1.2 MB |
| CTA26012301209_Test Report-LTE band 41 | Test Report | 2026-06-15 | PDF 1.3 MB |
| CTA26012301210_Test Report-BT FCC - 3DH5 | Test Report | 2026-06-15 | PDF 2.5 MB |
| CTA26012301211_Test Report-BLE FCC- 1M | Test Report | 2026-06-15 | PDF 2.3 MB |
| CTA26012301212_Test Report-2.4G WIFI N40 | Test Report | 2026-06-15 | PDF 2.2 MB |
| CTA26012301213_Test Report_5G WIFI AC40 | Test Report | 2026-06-15 | PDF 5.2 MB |
| CTA26012301214_Test Report-DFS AC40 DFS FCC | Test Report | 2026-06-15 | PDF 1.4 MB |
| FCC Appendix RF Test Data for 2.4GWIFI | Test Report | 2026-06-15 | PDF 3.8 MB |
| FCC Appendix RF Test Data for 5.2GWIFI | Test Report | 2026-06-15 | PDF 2.9 MB |
| FCC Appendix RF Test Data for 5.3GWIFI | Test Report | 2026-06-15 | PDF 2.9 MB |
| FCC Appendix RF Test Data for 5.5GWIFI | Test Report | 2026-06-15 | PDF 3.2 MB |
| FCC Appendix RF Test Data for 5.8GWIFI | Test Report | 2026-06-15 | PDF 3 MB |
| FCC Appendix RF Test Data for BLE | Test Report | 2026-06-15 | PDF 1 MB |
| FCC Appendix RF Test Data for BT | Test Report | 2026-06-15 | PDF 3.5 MB |
| FCC Appendix RF Test Data for LTE Band 17 | Test Report | 2026-06-15 | PDF 5.5 MB |
| FCC Appendix RF Test Data for LTE Band 2_Part1 | Test Report | 2026-06-15 | PDF 5.9 MB |
| FCC Appendix RF Test Data for LTE Band 2_Part2 | Test Report | 2026-06-15 | PDF 5.9 MB |
| FCC Appendix RF Test Data for LTE Band 2_Part3 | Test Report | 2026-06-15 | PDF 4.5 MB |
| FCC Appendix RF Test Data for LTE Band 38_Part1 | Test Report | 2026-06-15 | PDF 5.9 MB |
| FCC Appendix RF Test Data for LTE Band 38_Part2 | Test Report | 2026-06-15 | PDF 5.2 MB |
| FCC Appendix RF Test Data for LTE Band 41_Part1 | Test Report | 2026-06-15 | PDF 6 MB |
| FCC Appendix RF Test Data for LTE Band 41_Part2 | Test Report | 2026-06-15 | PDF 5.1 MB |
| FCC Appendix RF Test Data for LTE Band 4_Part1 | Test Report | 2026-06-15 | PDF 5.9 MB |
| FCC Appendix RF Test Data for LTE Band 4_Part2 | Test Report | 2026-06-15 | PDF 5.9 MB |
| FCC Appendix RF Test Data for LTE Band 4_Part3 | Test Report | 2026-06-15 | PDF 4.6 MB |
| FCC Appendix RF Test Data for LTE Band 5_Part1 | Test Report | 2026-06-15 | PDF 6 MB |
| FCC Appendix RF Test Data for LTE Band 5_Part2 | Test Report | 2026-06-15 | PDF 4.9 MB |
| FCC Appendix RF Test Data for LTE Band 7_Part1 | Test Report | 2026-06-15 | PDF 6 MB |
| FCC Appendix RF Test Data for LTE Band 7_Part2 | Test Report | 2026-06-15 | PDF 5.1 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2026-06-15 | PDF 130.6 KB |
| USA-LocalRepLetter_V1.1 -2BVA7-K7K8 | Attestation Statements | 2026-06-15 | PDF 286 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2026-06-15 | PDF 511.2 KB |
| FCC Declaration of Disable WLAN Channel 12 and 13 | Cover Letter(s) | 2026-06-15 | PDF 110.3 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2026-06-15 | PDF 111.1 KB |
| USA-NIIDeclarationLetter_V0.1 -Slaver - with DFS | Cover Letter(s) | 2026-06-15 | PDF 198.5 KB |
| TR_STS2604016H01_SAR_K8 | RF Exposure Info | 2026-06-15 | PDF 5.2 MB |
| TR_STS2604016H01_SAR_SAR Dipole Performance Measurement Report | RF Exposure Info | 2026-06-15 | PDF 707.3 KB |
| TR_STS2604308H01_SAR Calibration Report_Part1 | RF Exposure Info | 2026-06-15 | PDF 5 MB |
| TR_STS2604308H01_SAR Calibration Report_Part2 | RF Exposure Info | 2026-06-15 | PDF 6 MB |
| TR_STS2604308H01_SAR Calibration Report_Part3 | RF Exposure Info | 2026-06-15 | PDF 3.9 MB |
| TR_STS2604308H01_SAR_K7 | RF Exposure Info | 2026-06-15 | PDF 5 MB |
| Block Diagram Metadata only | Block Diagram | PDF 330.9 KB | |
| Schematic Metadata only | Schematics | PDF 743.6 KB | |
| Operational Description1 Metadata only | Operational Description | PDF 130.6 KB | |
| USA-DueDigilenceLetter Metadata only | Operational Description | PDF 117.6 KB | |
| USA-SoftwareSecurityKDB594280D02_Slaver Metadata only | SDR Software/Security Info. | PDF 550.4 KB | |
| 2BVA7-K7_Tune Up Procedure Metadata only | Parts List/Tune Up Info | PDF 991.5 KB | |
| 2BVA7-K8_Tune Up Procedure Metadata only | Parts List/Tune Up Info | PDF 474.2 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 162.1 KB |
Application Information
| Application ID | WoTX+2xh+aki1tK8tF03Fw== |
|---|---|
| Final Action Date | 2026-06-15 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0038182028 |
| Model | K7K8 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | AI camera |
| Responsible Party | CuiHong Wu, pd002@kingtop-group.com , 0755-86964595 |
| Non-Technical Contact | Cindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com  , (626) 910-5808 |
| Test Firm | Eric Wang, SHENZHEN CTA TESTING TECHNOLOGY CO., LTD., wangxulai@cta-test.cn  , 86-755-2322-5875 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| 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 |
|---|---|---|
| WoTX+2xh+aki1tK8tF03Fw== | 2026-06-15 | Original Equipment |
| V4V+OzxL5GdspO2pbBVO/g== | 2026-06-15 | Original Equipment |
| Eptrn4kfc4X345Qjzq9kxA== | 2026-06-15 | Original Equipment |
| 86Ldn0OQeOmZKDcyFW4gAg== | 2026-06-15 | Original Equipment |
Equipment Authorization
| Frequency | Output | Tolerance | Emission | Rules | Grant Notes |
|---|---|---|---|---|---|
| 2402-2480 MHz | 0.0035 | 15C | CC | ||
| 5180-5240 MHz | 0.0272 | 15E | CC | ||
| 5260-5320 MHz | 0.0218 | 15E | CC ND | ||
| 5500-5700 MHz | 0.0224 | 15E | CC ND | ||
| 5745-5825 MHz | 0.0266 | 15E | CC | ||
| 824.2-848.8 MHz | 1.8967 | 2.5 PM | 249KGXW | 22H | |
| 824.2-848.8 MHz | 0.9078 | 2.5 PM | 246KG7W | 22H | |
| 1850.2-1909.8 MHz | 0.8375 | 2.5 PM | 247KGXW | 24E | |
| 1850.2-1909.8 MHz | 0.2323 | 2.5 PM | 241KG7W | 24E | |
| 1852.4-1907.6 MHz | 0.3214 | 2.5 PM | 4M21F9W | 24E | |
| 1712.4-1752.6 MHz | 0.2198 | 2.5 PM | 4M23F9W | 27 | |
| 826.4-846.6 MHz | 0.2944 | 2.5 PM | 4M22F9W | 22H | |
| 1850-1910 MHz | 0.1538 | 2.5 PM | 9M00G7D | 24E | |
| 1850-1910 MHz | 0.1429 | 2.5 PM | 18M0G7D | 24E | |
| 1850-1910 MHz | 0.1197 | 2.5 PM | 18M0W7D | 24E | |
| 1710-1755 MHz | 0.1687 | 2.5 PM | 13M6G7D | 27 | |
| 1710-1755 MHz | 0.1439 | 2.5 PM | 18M1G7D | 27 | |
| 1710-1755 MHz | 0.1343 | 2.5 PM | 18M0W7D | 27 | |
| 824-849 MHz | 0.1259 | 2.5 PM | 4M92G7D | 22H | |
| 824-849 MHz | 0.125 | 2.5 PM | 9M36G7D | 22H | |
| 824-849 MHz | 0.103 | 2.5 PM | 9M23W7D | 22H | |
| 2500-2570 MHz | 0.2133 | 2.5 PM | 9M00G7D | 27 | |
| 2500-2570 MHz | 0.2123 | 2.5 PM | 18M0G7D | 27 | |
| 2500-2570 MHz | 0.1538 | 2.5 PM | 18M0W7D | 27 | |
| 704-716 MHz | 0.1199 | 2.5 PM | 9M01G7D | 27 | |
| 704-716 MHz | 0.0933 | 2.5 PM | 9M03W7D | 27 | |
| 2570-2620 MHz | 0.1663 | 2.5 PM | 18M0G7D | 27 | |
| 2570-2620 MHz | 0.1268 | 2.5 PM | 17M9W7D | 27 | |
| 2496-2690 MHz | 0.1469 | 2.5 PM | 18M0G7D | 27 | |
| 2496-2690 MHz | 0.1161 | 2.5 PM | 18M0W7D | 27 | |
| 2402-2480 MHz | 0.0031 | 15C | CC | ||
| 2412-2462 MHz | 0.0469 | 15C | CC |
Grants
TCB Grant - Application WoTX+2xh+aki1tK8tF03Fw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 06/15/2026 Application Dated: 06/15/2026 |
| Dongguan Jintai Yi Electronics Co., Ltd |
| Room 1301, Building 1, OFILM Film Industry |
| Research Center, No.2 Huahai Road, Binhai Bay |
| New Area Dongguan Guangdong, 523000 China |
| Attention: CuiHong Wu , |
| 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: | 2BVA7-K7K8 |
| Name of Grantee: | Dongguan Jintai Yi Electronics Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | AI camera |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0035 |
| Output Power listed is peak conducted. For body-worn operation, this device has been tested and meets FCC RF exposure guidelines when used at a minimum distance of 0 mm from the body. The highest reported SAR for body-worn accessory and simultaneous transmission use conditions are 0.08 W/kg, and 0.85 W/kg, respectively. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application V4V+OzxL5GdspO2pbBVO/g==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 06/15/2026 Application Dated: 06/15/2026 |
| Dongguan Jintai Yi Electronics Co., Ltd |
| Room 1301, Building 1, OFILM Film Industry |
| Research Center, No.2 Huahai Road, Binhai Bay |
| New Area Dongguan Guangdong, 523000 China |
| Attention: CuiHong Wu , |
| 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: | 2BVA7-K7K8 |
| Name of Grantee: | Dongguan Jintai Yi Electronics Co., Ltd |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | AI camera |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.0272 | ||
| CC ND | 15E | 5260.0 - 5320.0 | 0.0218 | ||
| CC ND | 15E | 5500.0 - 5700.0 | 0.0224 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.0266 |
| Output Power listed is average conducted. This device supports 802.11a, 802.11n and 802.11ac with a 20 MHz and 40 MHz bandwidth mode. For body-worn operation, this device has been tested and meets FCC RF exposure guidelines when used at a minimum distance of 0 mm from the body. The highest reported SAR for body-worn accessory and simultaneous transmission use conditions are 0.48 W/kg, and 1.40 W/kg, respectively. This device complies with the Dynamic Frequency Selection (DFS) requirements of KDB 905462 D03 as a Client only without Radar Detection. |
| 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). |
TCB Grant - Application Eptrn4kfc4X345Qjzq9kxA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 06/15/2026 Application Dated: 06/15/2026 |
| Dongguan Jintai Yi Electronics Co., Ltd |
| Room 1301, Building 1, OFILM Film Industry |
| Research Center, No.2 Huahai Road, Binhai Bay |
| New Area Dongguan Guangdong, 523000 China |
| Attention: CuiHong Wu , |
| 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: | 2BVA7-K7K8 |
| Name of Grantee: | Dongguan Jintai Yi Electronics Co., Ltd |
| Equipment Class: | PCS Licensed Transmitter |
| Notes: | AI camera |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 22H | 824.2 - 848.8 | 1.8967 | 2.5 PM | 249KGXW | |
| 22H | 824.2 - 848.8 | 0.9078 | 2.5 PM | 246KG7W | |
| 24E | 1850.2 - 1909.8 | 0.8375 | 2.5 PM | 247KGXW | |
| 24E | 1850.2 - 1909.8 | 0.2323 | 2.5 PM | 241KG7W | |
| 24E | 1852.4 - 1907.6 | 0.3214 | 2.5 PM | 4M21F9W | |
| 27 | 1712.4 - 1752.6 | 0.2198 | 2.5 PM | 4M23F9W | |
| 22H | 826.4 - 846.6 | 0.2944 | 2.5 PM | 4M22F9W | |
| 24E | 1850.0 - 1910.0 | 0.1538 | 2.5 PM | 9M00G7D | |
| 24E | 1850.0 - 1910.0 | 0.1429 | 2.5 PM | 18M0G7D | |
| 24E | 1850.0 - 1910.0 | 0.1197 | 2.5 PM | 18M0W7D | |
| 27 | 1710.0 - 1755.0 | 0.1687 | 2.5 PM | 13M6G7D | |
| 27 | 1710.0 - 1755.0 | 0.1439 | 2.5 PM | 18M1G7D | |
| 27 | 1710.0 - 1755.0 | 0.1343 | 2.5 PM | 18M0W7D | |
| 22H | 824.0 - 849.0 | 0.1259 | 2.5 PM | 4M92G7D | |
| 22H | 824.0 - 849.0 | 0.125 | 2.5 PM | 9M36G7D | |
| 22H | 824.0 - 849.0 | 0.103 | 2.5 PM | 9M23W7D | |
| 27 | 2500.0 - 2570.0 | 0.2133 | 2.5 PM | 9M00G7D | |
| 27 | 2500.0 - 2570.0 | 0.2123 | 2.5 PM | 18M0G7D | |
| 27 | 2500.0 - 2570.0 | 0.1538 | 2.5 PM | 18M0W7D | |
| 27 | 704.0 - 716.0 | 0.1199 | 2.5 PM | 9M01G7D | |
| 27 | 704.0 - 716.0 | 0.0933 | 2.5 PM | 9M03W7D | |
| 27 | 2570.0 - 2620.0 | 0.1663 | 2.5 PM | 18M0G7D | |
| 27 | 2570.0 - 2620.0 | 0.1268 | 2.5 PM | 17M9W7D | |
| 27 | 2496.0 - 2690.0 | 0.1469 | 2.5 PM | 18M0G7D | |
| 27 | 2496.0 - 2690.0 | 0.1161 | 2.5 PM | 18M0W7D |
| Output power listed is ERP for operation below 1GHz and EIRP for operation above 1GHz. This device supports LTE bandwidths of 1.4, 3, 5, 10, 15, 20 MHz at LTE Band 2/4 and of 1.4, 3, 5, 10 MHz at LTE Band 5 and of 5, 10, 15, 20 MHz at LTE Band 7/38/41 and of 1.4, 3, 5, 10 MHz at LTE Band 17. For body-worn operation, this device has been tested and meets FCC RF exposure guidelines when used at a minimum distance of 0 mm from the body. The highest reported SAR for body-worn accessory and simultaneous transmission use conditions are 0.91 W/kg, and 1.40 W/kg, respectively. |
TCB Grant - Application 86Ldn0OQeOmZKDcyFW4gAg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 06/15/2026 Application Dated: 06/15/2026 |
| Dongguan Jintai Yi Electronics Co., Ltd |
| Room 1301, Building 1, OFILM Film Industry |
| Research Center, No.2 Huahai Road, Binhai Bay |
| New Area Dongguan Guangdong, 523000 China |
| Attention: CuiHong Wu , |
| 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: | 2BVA7-K7K8 |
| Name of Grantee: | Dongguan Jintai Yi Electronics Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | AI camera |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0031 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.0469 |
| Output Power listed is peak conducted. This device supports 802.11b, 802.11g and 802.11n with a 20 MHz and 40 MHz bandwidth mode. For body-worn operation, this device has been tested and meets FCC RF exposure guidelines when used at a minimum distance of 0 mm from the body. The highest reported SAR for body-worn accessory and simultaneous transmission use conditions are 0.25 W/kg, and 1.02 W/kg, respectively. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |