FCC ID 2BHIM-CASTWAVE
Bluetooth Speaker
by TWINTECH INDUSTRY, INC.
Grantee Code: 2BHIM Product Code: CASTWAVE
Latest application date: 2026-10-21
FCC ID Device Details
| FCC ID | 2BHIM-CASTWAVE |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BHIM |
| Product Code | CASTWAVE |
| Applicant Business | TWINTECH INDUSTRY, INC. 🇺🇸 |
| Related Domains | |
| Equipment Class | Bluetooth Speaker |
| Test Firm | Shenzhen Timeway Testing Laboratories |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-10-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-10-21 | PDF 1.6 MB |
| Internal photos | Internal Photos | 2026-10-21 | PDF 697.1 KB |
| External photos | External Photos | 2026-10-21 | PDF 334.5 KB |
| Label | ID Label/Location Info | 2026-10-21 | PDF 115.3 KB |
| Label Location | ID Label/Location Info | 2026-10-21 | PDF 73.7 KB |
| Test photos | Test Setup Photos | 2026-10-21 | PDF 326 KB |
| Antenna Specification | Test Report | 2026-10-21 | PDF 142.4 KB |
| BT | Test Report | 2026-10-21 | PDF 2.3 MB |
| 2.911 (d)(5)(i)CertificationEquipmentTypev1.2 | Attestation Statements | 2026-10-21 | PDF 22.1 KB |
| 2.911 (d)(5)(ii)CertificationApplicantv1.3 | Attestation Statements | 2026-10-21 | PDF 22.1 KB |
| 2.911 (d)(7)USAgentforServiceofProcessv1.3 | Attestation Statements | 2026-10-21 | PDF 25.1 KB |
| FCC Short & Long Term Confidentiality Request Rev4.1 | Cover Letter(s) | 2026-10-21 | PDF 22.7 KB |
| Letter of Authorization | Cover Letter(s) | 2026-10-21 | PDF 19.3 KB |
| MPE Report | RF Exposure Info | 2026-10-21 | PDF 86.9 KB |
| Block Diagram Metadata only | Block Diagram | PDF 211.9 KB | |
| SCH Metadata only | Schematics | PDF 338.7 KB | |
| OP Metadata only | Operational Description | PDF 53.7 KB |
Application Information
| Application ID | EFz48PQx7g1WyMw6iWoleA== |
|---|---|
| Final Action Date | 2026-10-21 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0033423088 |
| Model | CASTWAVE |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DXX - Part 15 Low Power Communication Device Transmitter |
| Device Description | Bluetooth Speaker |
| Responsible Party | Hsin-Chia Chao, hc@twintechpromo.com |
| Technical Contact | TWINTECH INDUSTRY, INC., hc@twintechpromo.com |
| Non-Technical Contact | Hsin-Chia Chao, TWINTECH INDUSTRY, INC., hc@twintechpromo.com |
| Test Firm | Terry Tang, Shenzhen Timeway Testing Laboratories, Terry.tang@timeway-lab.com |
| TCB Email | certification@micomlabs.com |
| TCB Scope | A2: Low Power Transmitters (except Spread Spectrum) and radar detectors operating above 1 GHz |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | No |
| 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 |
|---|---|---|
| EFz48PQx7g1WyMw6iWoleA== | 2026-10-21 | Original Equipment |
Equipment Authorization
| Frequency | Rules |
|---|---|
| 2402-2480 MHz | 15C |
Grants
TCB Grant - Application EFz48PQx7g1WyMw6iWoleA==
| 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: 10/21/2026 Application Dated: 10/21/2026 |
| TWINTECH INDUSTRY, INC. |
| 16401 Berwyn Road |
| Cerritos, CA 90703 |
| Attention: Hsin-Chia Chao , |
| 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: | 2BHIM-CASTWAVE |
| Name of Grantee: | TWINTECH INDUSTRY, INC. |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Bluetooth Speaker |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 |