FCC ID 2BVGJ-ECHO75
Mechanical Keyboard
by Sisun Electronics Technology (DG) CO., LTD
Grantee Code: 2BVGJ Product Code: ECHO75
Latest application date: 2026-04-18
FCC ID Device Details
| FCC ID | 2BVGJ-ECHO75 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BVGJ |
| Product Code | ECHO75 |
| Applicant Business | Sisun Electronics Technology (DG) CO., LTD 🇨🇳 |
| Related Domains |  dgsisun.com  ttsmarket.cc |
| Equipment Class | Mechanical Keyboard |
| Test Firm | EST Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-04-18 |
| 2402-2480 MHz | Original Equipment | 2026-04-18 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 13_VSKY-ECHO-75 Users Manual | Users Manual | 2026-04-18 | PDF 3 MB |
| 09_VSKY-ECHO-75 Internal Photos | Internal Photos | 2026-04-18 | PDF 1.2 MB |
| 08_VSKY-ECHO-75 External Photos | External Photos | 2026-04-18 | PDF 897.2 KB |
| 07_VSKY-ECHO-75 Label Sample and Location | ID Label/Location Info | 2026-04-18 | PDF 167.3 KB |
| 15_VSKY-ECHO-75 Test Setup Photos | Test Setup Photos | 2026-04-18 | PDF 472.2 KB |
| 14_VSKY-ECHO-75 Test Report DTS BLE | Test Report | 2026-04-18 | PDF 3.3 MB |
| 14_VSKY-ECHO-75 Test Report DTS BLE appendix | Test Report | 2026-04-18 | PDF 3.4 MB |
| 14_VSKY-ECHO-75 Test Report DXX 2.4G SRD | Test Report | 2026-04-18 | PDF 2.5 MB |
| 16_VSKY-ECHO-75 Antenna Specification | Test Report | 2026-04-18 | PDF 749.4 KB |
| 02_VSKY-ECHO-75 Covered Equipment Certification Attestation Letter | Attestation Statements | 2026-04-18 | PDF 90.8 KB |
| 03_VSKY-ECHO-75 U.S. Agent Designation Attestation Letter | Attestation Statements | 2026-04-18 | PDF 83.3 KB |
| 04_VSKY-ECHO-75 Authorization-Agent | Cover Letter(s) | 2026-04-18 | PDF 87.6 KB |
| 05_VSKY-ECHO-75 Authorization-CT | Cover Letter(s) | 2026-04-18 | PDF 109.9 KB |
| 06_VSKY-ECHO-75 Long-Confidential Request | Cover Letter(s) | 2026-04-18 | PDF 104.9 KB |
| 18_VSKY-ECHO-75 Models Difference Declaration | Cover Letter(s) | 2026-04-18 | PDF 101.8 KB |
| 17_VSKY-ECHO-75 RF Exp Info | RF Exposure Info | 2026-04-18 | PDF 224.7 KB |
| 11_VSKY-ECHO-75 Block Diagram Metadata only | Block Diagram | PDF 95.1 KB | |
| 12_VSKY-ECHO-75 Schematics Metadata only | Schematics | PDF 172.1 KB | |
| 10_VSKY-ECHO-75 Operational Description Metadata only | Operational Description | PDF 97.4 KB |
Application Information
| Application ID | z6eWNnOVdlB8rj+hdNEIFA== |
|---|---|
| Final Action Date | 2026-04-18 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0038228979 |
| Model | ECHO75 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Mechanical Keyboard |
| Responsible Party | Shuxin Yu, zella@dgsisun.com , 86 18998070713 |
| Technical Contact | Iceman Hu, EST Technology Co., Ltd., iceman.hu@gdest.cn  , +86-769-83081888 |
| Non-Technical Contact | Maverick Lim, TTS MARKET INC., Maverick@ttsmarket.cc , 001-(646) 305-2908 |
| Test Firm | Iceman Hu, EST Technology Co., Ltd., iceman.hu@gdest.cn , 86-0769-83081888 |
| TCB Email | TCBAdmin@compliancetesting.com  |
| 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 |
|---|---|---|
| z6eWNnOVdlB8rj+hdNEIFA== | 2026-04-18 | Original Equipment |
| ypy5X7RZSVC3xfw/yJArJg== | 2026-04-18 | Original Equipment |
Grants
TCB Grant - Application z6eWNnOVdlB8rj+hdNEIFA==
| 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: 04/18/2026 Application Dated: 04/20/2026 |
| Sisun Electronics Technology (DG) CO., LTD |
| Sisun industrial park, Xikeng road, |
| Puxin village, Shipai town P.O. Box 523000, |
| Dongguan, 523000 China |
| Attention: Shuxin Yu , Sales |
| 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: | 2BVGJ-ECHO75 |
| Name of Grantee: | Sisun Electronics Technology (DG) CO., LTD |
| Equipment Class: | Digital Transmission System |
| Notes: | Mechanical Keyboard |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0005321 |
| Output power listed is conducted. |
TCB Grant - Application ypy5X7RZSVC3xfw/yJArJg==
| 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: 04/18/2026 Application Dated: 04/20/2026 |
| Sisun Electronics Technology (DG) CO., LTD |
| Sisun industrial park, Xikeng road, |
| Puxin village, Shipai town P.O. Box 523000, |
| Dongguan, 523000 China |
| Attention: Shuxin Yu , Sales |
| 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: | 2BVGJ-ECHO75 |
| Name of Grantee: | Sisun Electronics Technology (DG) CO., LTD |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Mechanical Keyboard |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 |