FCC ID DMOAC41D
Antenna Combiner
by Sennheiser Electronic Corp
Grantee Code: DMO Product Code: AC41D
Latest application date: 2026-11-05
FCC ID Device Details
| FCC ID | DMOAC41D |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | DMO |
| Product Code | AC41D |
| Applicant Business | Sennheiser Electronic Corp 🇺🇸 |
| Related Domains |  sennheiser.com |
| Equipment Class | Antenna Combiner |
| Test Firm | cetecom advanced GmbH |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 470.2-607.8 MHz | Original Equipment | 2026-11-05 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| ID_Label_Location_Info | ID Label/Location Info | 2026-11-05 | PDF 168.7 KB |
| Antenna_information | Test Report | 2026-11-05 | PDF 1.4 MB |
| Test_report_Part74-RSS210 | Test Report | 2026-11-05 | PDF 2.5 MB |
| Attestation_Letter_acc._to_2.911(d)(5) | Attestation Statements | 2026-11-05 | PDF 641.1 KB |
| Attestation_Letter_acc._to_2.911(d)(7) | Attestation Statements | 2026-11-05 | PDF 614.8 KB |
| FCC_Confidentiality_Request | Cover Letter(s) | 2026-11-05 | PDF 337.8 KB |
| RF_Exposure_Evaluation | RF Exposure Info | 2026-11-05 | PDF 395.7 KB |
| Users_Manual_Quick_Guide Metadata only | Users Manual | 2027-01-21 | PDF 2.8 MB |
| Users_Manual_Safety_Instructions Metadata only | Users Manual | 2027-01-21 | PDF 1.3 MB |
| Users_Manual_Specifications Metadata only | Users Manual | 2027-01-21 | PDF 2.5 MB |
| Internal_Photos Metadata only | Internal Photos | 2027-01-21 | PDF 621.8 KB |
| External_Photos Metadata only | External Photos | 2027-01-21 | PDF 814.8 KB |
| Test_Setup_Photos Metadata only | Test Setup Photos | 2027-01-21 | PDF 344.8 KB |
| Block_Diagram Metadata only | Block Diagram | PDF 254.1 KB | |
| Component_Placement__Part_1 Metadata only | Schematics | PDF 999 KB | |
| Component_Placement__Part_2 Metadata only | Schematics | PDF 2.2 MB | |
| Component_Placement__Part_3 Metadata only | Schematics | PDF 1.1 MB | |
| Schematics_Part_1 Metadata only | Schematics | PDF 312.9 KB | |
| Schematics_Part_2 Metadata only | Schematics | PDF 905.7 KB | |
| Schematics_Part_3 Metadata only | Schematics | PDF 495.7 KB | |
| Operational_Description Metadata only | Operational Description | PDF 75.5 KB | |
| Parts_List_Part_1 Metadata only | Parts List/Tune Up Info | PDF 49.5 KB | |
| Parts_List_Part_2 Metadata only | Parts List/Tune Up Info | PDF 35.2 KB | |
| Parts_List_Part_3 Metadata only | Parts List/Tune Up Info | PDF 36.7 KB |
Application Information
| Application ID | NfglYFr7vUytG9WCBwuG+w== |
|---|---|
| Final Action Date | 2026-11-05 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0007220122 |
| Model | AC41D |
| Frequency Range | 470.2-607.8 MHz |
| Equipment Class | TLD - Licensed LPAS Device |
| Device Description | Antenna Combiner |
| 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 | B2: General Mobile Radio And Broadcast Services equipment in the following 47 CFR Parts 22 (non-cellular) 73, 74, 90, 95, 97, & 101 (all below 3 GHz) |
| Short-Term Confidentiality | Yes |
| 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 |
|---|---|---|
| NfglYFr7vUytG9WCBwuG+w== | 2026-11-05 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application NfglYFr7vUytG9WCBwuG+w==
| 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: 11/05/2026 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: | DMOAC41D |
| Name of Grantee: | Sennheiser Electronic Corp |
| Equipment Class: | Licensed LPAS Device |
| Notes: | Antenna Combiner |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| M4 | 74H | 470.2 - 607.8 | 0.022 | 1.0 PM | 170KF3E |
| 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. |