| Brand | Device Name | Model | Type | Certification Date |
|---|---|---|---|---|
| Dongguan Langchen Technology Co.,Ltd. | Smart watch | H21 | FCC ID  |
2025-04-28 |
FCC Application Details
| Equipment | Smart watch |
| FRN | 0034327130 |
| Grantee Code | 2BC3X |
| Product Code | -H21 |
| Applicant Business | Dongguan Langchen Technology Co.,Ltd. |
| Business Address | Room 704,No.7 East Second Street, Xingfa South Road,Wusha,Chang'an Town,, Dongguan City,Guangdong Province, N/A China |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| TCB Email | [email protected] |
| Applicant | Lan Zhou – |
| Applicant Phone | |
| Applicant Fax | / |
| Applicant Email | [email protected] |
| Applicant MailStop | |
| Test Firm | SHENZHEN CTA TESTING TECHNOLOGY CO., LTD. |
| Test Firm Contact | Eric Wang |
| Test Firm Phone | |
| Test Firm Fax | |
| Test Firm Email | [email protected] |
| Certified By | Lan Zhou – Manager |
Further Details May Be Available From: fcc.id/2BC3XH21 or 
fcc.report/FCC-ID/2BC3XH21
| Description | Exhibit Type | File Type | Display Type | File Size | Submission Date | Date Available |
|---|---|---|---|---|---|---|
 Document 8243583 Mirror: FCCID.io - 8243583 User Manual | Users Manual | Adobe Acrobat PDF | 1.85 M | 2025-04-28 | 2025-04-28 | |
 Document 8243582 Mirror: FCCID.io - 8243582 USA-LocalRepLetter_V1.1 - 2BC3X-H21 | Attestation Statements | Adobe Acrobat PDF | 351.07 K | 2025-04-28 | 2025-04-28 | |
 Document 8243567 Mirror: FCCID.io - 8243567 USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | Adobe Acrobat PDF | 124.35 K | 2025-04-28 | 2025-04-28 | |
 Document 8243566 Mirror: FCCID.io - 8243566 USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | Adobe Acrobat PDF | 102.94 K | 2025-04-28 | 2025-04-28 | |
 Document 8243565 Mirror: FCCID.io - 8243565 Test Setup Photos | Test Setup Photos | Adobe Acrobat PDF | 196.61 K | 2025-04-28 | 2025-04-28 | |
 Document 8243562 Mirror: FCCID.io - 8243562 Label and Label Location | ID Label/Location Info | Adobe Acrobat PDF | 71.03 K | 2025-04-28 | 2025-04-28 | |
 Document 8243561 Mirror: FCCID.io - 8243561 Internal Photos | Internal Photos | Adobe Acrobat PDF | 813.42 K | 2025-04-28 | 2025-04-28 | |
 Document 8243560 Mirror: FCCID.io - 8243560 FCC Appendix RF Test Data for BLE | Test Report | Adobe Acrobat PDF | 2.21 M | 2025-04-28 | 2025-04-28 | |
 Document 8243559 Mirror: FCCID.io - 8243559 External Photos | External Photos | Adobe Acrobat PDF | 483.54 K | 2025-04-28 | 2025-04-28 | |
 Document 8243558 Mirror: FCCID.io - 8243558 CTA25041500302_RF Exposure-info | RF Exposure Info | Adobe Acrobat PDF | 530.7 K | 2025-04-28 | 2025-04-28 | |
 Document 8243557 Mirror: FCCID.io - 8243557 CTA25041500301_Test Report-BLE FCC | Test Report | Adobe Acrobat PDF | 1.19 M | 2025-04-28 | 2025-04-28 | |
 Document 8243555 Mirror: FCCID.io - 8243555 Antenna specification | Test Report | Adobe Acrobat PDF | 489.32 K | 2025-04-28 | 2025-04-28 | |
Label and Label Location | ID Label/Location Info | Adobe Acrobat PDF | 71.03 K | 2025-04-28 | 2025-04-28 | |
Test Setup Photos | Test Setup Photos | Adobe Acrobat PDF | 196.61 K | 2025-04-28 | 2025-04-28 | |
FCC Appendix RF Test Data for BLE | Test Report | Adobe Acrobat PDF | 2.21 M | 2025-04-28 | 2025-04-28 | |
CTA25041500301_Test Report-BLE FCC | Test Report | Adobe Acrobat PDF | 1.19 M | 2025-04-28 | 2025-04-28 | |
Antenna specification | Test Report | Adobe Acrobat PDF | 489.32 K | 2025-04-28 | 2025-04-28 | |
CTA25041500302_RF Exposure-info | RF Exposure Info | Adobe Acrobat PDF | 530.7 K | 2025-04-28 | 2025-04-28 | |
Internal Photos | Internal Photos | Adobe Acrobat PDF | 813.42 K | 2025-04-28 | 2025-04-28 | |
USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | Adobe Acrobat PDF | 124.35 K | 2025-04-28 | 2025-04-28 | |
External Photos | External Photos | Adobe Acrobat PDF | 483.54 K | 2025-04-28 | 2025-04-28 | |
USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | Adobe Acrobat PDF | 102.94 K | 2025-04-28 | 2025-04-28 | |
USA-LocalRepLetter_V1.1 - 2BC3X-H21 | Attestation Statements | Adobe Acrobat PDF | 351.07 K | 2025-04-28 | 2025-04-28 | |
Block diagram | Block Diagram | Adobe Acrobat PDF | 81.91 K | 2025-04-28 | ||
schematic | Schematics | Adobe Acrobat PDF | 101.28 K | 2025-04-28 | ||
USA-DueDigilenceLetter_V0.1 | Operational Description | Adobe Acrobat PDF | 145.95 K | 2025-04-28 | ||
Operation Description | Operational Description | Adobe Acrobat PDF | 97.88 K | 2025-04-28 | ||
User Manual | Users Manual | Adobe Acrobat PDF | 1.85 M | 2025-04-28 | 2025-04-28 |
Related FCC IDs:
- 2BC3X-H21 - Dongguan Langchen Technology Co.,Ltd. Smart watch [-H21]