FCC ID DMOSR1EWDX
IEM Rack Transmitter
by Sennheiser Electronic Corp
Grantee Code: DMO Product Code: SR1EWDX
Latest application date: 2026-11-03
FCC ID Device Details
| FCC ID | DMOSR1EWDX |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | DMO |
| Product Code | SR1EWDX |
| Applicant Business | Sennheiser Electronic Corp 🇺🇸 |
| Related Domains |  sennheiser.com |
| Equipment Class | IEM Rack Transmitter |
| Test Firm | cetecom advanced GmbH |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-11-03 |
| 470.2-607.8 MHz | Original Equipment | 2026-11-03 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| ID_Label | ID Label/Location Info | 2026-11-03 | PDF 87.9 KB |
| ID_Label(1) | ID Label/Location Info | 2026-11-03 | PDF 86.8 KB |
| Label_Location | ID Label/Location Info | 2026-11-03 | PDF 279.1 KB |
| Antenna_information | Test Report | 2026-11-03 | PDF 1 MB |
| Test_report_BLE | Test Report | 2026-11-03 | PDF 2 MB |
| Test_report_BLE_-_conducted_resultsBluetooth_LE | Test Report | 2026-11-03 | PDF 2.3 MB |
| Test_report_Part_74-RSS210 | Test Report | 2026-11-03 | PDF 2.7 MB |
| Attestation_Letter_acc._to_2.911(d)(5) | Attestation Statements | 2026-11-03 | PDF 607.3 KB |
| Attestation_Letter_acc._to_2.911(d)(7) | Attestation Statements | 2026-11-03 | PDF 643.4 KB |
| FCC_Confidentiality_Request | Cover Letter(s) | 2026-11-03 | PDF 338.5 KB |
| RFx_FCC | RF Exposure Info | 2026-11-03 | PDF 416.5 KB |
| Quick_guide_part_1 Metadata only | Users Manual | 2027-01-21 | PDF 4.6 MB |
| Quick_guide_part_2 Metadata only | Users Manual | 2027-01-21 | PDF 4.7 MB |
| Safety_Instructions Metadata only | Users Manual | 2027-01-21 | PDF 1.3 MB |
| Specifications_ Metadata only | Users Manual | 2027-01-21 | PDF 2.5 MB |
| Internal_Photos Metadata only | Internal Photos | 2027-01-21 | PDF 556.5 KB |
| External_Photos Metadata only | External Photos | 2027-01-21 | PDF 243.9 KB |
| Test_Setup_Photos Metadata only | Test Setup Photos | 2027-01-21 | PDF 494.2 KB |
| Block_Diagram Metadata only | Block Diagram | PDF 524.5 KB | |
| Component_Placements_Part_1 Metadata only | Schematics | PDF 4.3 MB | |
| Component_Placements_Part_2 Metadata only | Schematics | PDF 531 KB | |
| Component_Placements_Part_3 Metadata only | Schematics | PDF 1,023.6 KB | |
| Component_Placements_Part_4 Metadata only | Schematics | PDF 3 MB | |
| Schematics_part_1 Metadata only | Schematics | PDF 43.8 KB | |
| Schematics_part_2 Metadata only | Schematics | PDF 360 KB | |
| Schematics_part_3 Metadata only | Schematics | PDF 1 MB | |
| Schematics_part_4 Metadata only | Schematics | PDF 3 MB | |
| Specifications_ Metadata only | Schematics | PDF 2.5 MB | |
| Operational_Description Metadata only | Operational Description | PDF 520.1 KB | |
| Parts_List_1 Metadata only | Parts List/Tune Up Info | PDF 66.2 KB | |
| Parts_List_2 Metadata only | Parts List/Tune Up Info | PDF 38.6 KB | |
| Parts_List_3 Metadata only | Parts List/Tune Up Info | PDF 190.3 KB | |
| Parts_List_4 Metadata only | Parts List/Tune Up Info | PDF 24.4 KB |
Application Information
| Application ID | zFEFIxvfdIelpN3ROT4kJQ== |
|---|---|
| Final Action Date | 2026-11-03 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0007220122 |
| Model | SR1EWDX |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | IEM Rack Transmitter |
| Responsible Party | Michael Lieske, Michael.Lieske@sennheiser.com , 860-434-9190 |
| Non-Technical Contact | Ann Marie Jewett, Sennheiser Electronic Corporation, annmarie.jewett@sennheiser.com , +1 860 598 |
| Test Firm | Gerald Schmidt, cetecom advanced GmbH, tcb@cetecomadvanced.com  , 49-681-598-0 |
| TCB Email | TCB@cetecomadvanced.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| 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 |
|---|---|---|
| zFEFIxvfdIelpN3ROT4kJQ== | 2026-11-03 | Original Equipment |
| 9xxVmX9qqTnI6tWlCQJShA== | 2026-11-03 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application zFEFIxvfdIelpN3ROT4kJQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
cetecom advanced GmbH Untertuerkheimer Strasse 6-10 Saarbruecken, 66117 Germany |
Date of Grant: 11/03/2026 Application Dated: 11/03/2026 |
| Sennheiser Electronic Corp |
| 1 Enterprise Drive |
| Old Lyme, CT 06371 |
| Attention: Michael Lieske , |
| 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: | DMOSR1EWDX |
| Name of Grantee: | Sennheiser Electronic Corp |
| Equipment Class: | Digital Transmission System |
| Notes: | IEM Rack Transmitter |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0053 |
| Output power listed is peak conducted. The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
TCB Grant - Application 9xxVmX9qqTnI6tWlCQJShA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
cetecom advanced GmbH Untertuerkheimer Strasse 6-10 Saarbruecken, 66117 Germany |
Date of Grant: 11/03/2026 Application Dated: 11/03/2026 |
| Sennheiser Electronic Corp |
| 1 Enterprise Drive |
| Old Lyme, CT 06371 |
| Attention: Michael Lieske , |
| 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: | DMOSR1EWDX |
| Name of Grantee: | Sennheiser Electronic Corp |
| Equipment Class: | Licensed LPAS Device |
| Notes: | IEM Rack Transmitter |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| M4 | 74H | 470.2 - 607.8 | 0.0262 | 4.5 PM | 171KF8X |
| Output power listed is average conducted. The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
| M4: | Operation of this unit is limited to use at stations licensed for use under Part 74 of FCC Rules. |