FCC ID O7V-MA104210
Caspian 4G Streaming Pre-Amplifier
by MONITOR AUDIO LTD.
Grantee Code: O7V Product Code: MA104210
Latest application date: 2026-06-17
FCC ID Device Details
| FCC ID | O7V-MA104210 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | O7V |
| Product Code | MA104210 |
| Applicant Business | MONITOR AUDIO LTD. 🇬🇧 |
| Related Domains |  monitoraudio.group  fccusagent.com |
| Equipment Class | Caspian 4G Streaming Pre-Amplifier |
| Test Firm | Kiwa Nederland B.V. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Class II permissive change or modification of presently authorized equipment | 2026-06-17 |
| 2402-2480 MHz | Original Equipment | 2026-01-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2026-06-17 | PDF 1.7 MB |
| Users Manual | Users Manual | 2026-01-21 | PDF 1.4 MB |
| Internal Photos-1 | Internal Photos | 2026-06-17 | PDF 742.3 KB |
| Internal Photos-2 | Internal Photos | 2026-06-17 | PDF 733.1 KB |
| Internal Photos-3 | Internal Photos | 2026-06-17 | PDF 331.1 KB |
| Internal Photos -1 | Internal Photos | 2026-01-21 | PDF 909.3 KB |
| Internal Photos -2 | Internal Photos | 2026-01-21 | PDF 853 KB |
| Internal Photos -3 | Internal Photos | 2026-01-21 | PDF 2.7 MB |
| External Photos | External Photos | 2026-06-17 | PDF 302.2 KB |
| External Photos | External Photos | 2026-01-21 | PDF 725.5 KB |
| ID Label | ID Label/Location Info | 2026-06-17 | PDF 550.1 KB |
| Label Location | ID Label/Location Info | 2026-06-17 | PDF 136.3 KB |
| FCC Label Location - Integrated Amplifier | ID Label/Location Info | 2026-01-21 | PDF 698.4 KB |
| FCC Label Location - Streaming Amplifier | ID Label/Location Info | 2026-01-21 | PDF 721.4 KB |
| INT FCC Label 111592 ARTWORK | ID Label/Location Info | 2026-01-21 | PDF 555.5 KB |
| STR FCC Label 111591 ARTWORK | ID Label/Location Info | 2026-01-21 | PDF 550.1 KB |
| Test Setup Photos | Test Setup Photos | 2026-06-17 | PDF 286.8 KB |
| Test set-up photos J14745-3 and -4 | Test Setup Photos | 2026-01-21 | PDF 932.6 KB |
| Test set-up photos J14745-9 and -10 | Test Setup Photos | 2026-01-21 | PDF 564.3 KB |
| Antenna Report | Test Report | 2026-06-17 | PDF 2.5 MB |
| Test Report | Test Report | 2026-06-17 | PDF 2 MB |
| Monitor Audio Group.14745-3 Issue 02 | Test Report | 2026-01-21 | PDF 5.6 MB |
| Monitor Audio Group.14745-9 Issue 01 | Test Report | 2026-01-21 | PDF 3.4 MB |
| monitor-audio-group14745-22-antenna-summary-issue-01 | Test Report | 2026-01-21 | PDF 2.5 MB |
| Attestation Statements | Attestation Statements | 2026-06-17 | PDF 51.8 KB |
| US Agent Letter | Attestation Statements | 2026-06-17 | PDF 514.7 KB |
| Covered_List_Attestation_FCC_Application Letter | Attestation Statements | 2026-01-21 | PDF 58.7 KB |
| US Agent | Attestation Statements | 2026-01-21 | PDF 514.7 KB |
| 3rd Model Variant document | Cover Letter(s) | 2026-06-17 | PDF 817.7 KB |
| Class II Permissive Change Request Letter | Cover Letter(s) | 2026-06-17 | PDF 21 KB |
| Confidentiality | Cover Letter(s) | 2026-06-17 | PDF 45.4 KB |
| Declaration of authorization | Cover Letter(s) | 2026-06-17 | PDF 139.5 KB |
| Declaration of authorization | Cover Letter(s) | 2026-01-21 | PDF 103.5 KB |
| Request for LT or STC confidentiality | Cover Letter(s) | 2026-01-21 | PDF 27.7 KB |
| model-variant-doc-proposed-fcc-ido7v-ma104210 | Cover Letter(s) | 2026-01-21 | PDF 2.7 MB |
| RF Exposure Info. | RF Exposure Info | 2026-06-17 | PDF 363.8 KB |
| _RF Exposure Evaluation_ | RF Exposure Info | 2026-01-21 | PDF 363.8 KB |
| Caspian Block Diagram - Main Including Clocks v2-CONFIDENTIAL Metadata only | Block Diagram | PDF 106.5 KB | |
| Schematics Metadata only | Schematics | PDF 2.5 MB | |
| ZCAS4GADCPCB - Caspian 4G ADC Mezz INT-STR PCB-CONFIDENTIAL Metadata only | Schematics | PDF 2.2 MB | |
| ZCAS4GEAPCB - Caspian 4G Encoder PCB-CONFIDENTIAL Metadata only | Schematics | PDF 356 KB | |
| ZCAS4GEUPPCB - Caspian 4G EUP_MW Assembly-CONFIDENTIAL Metadata only | Schematics | PDF 2.4 MB | |
| ZCAS4GFSPCB - Caspian 4G Fascia STR PCB-CONFIDENTIAL Metadata only | Schematics | PDF 1.4 MB | |
| ZCAS4GHEATSINK - Caspian 4G Power Amplifier PCB-CONFIDENTIAL Metadata only | Schematics | PDF 1.4 MB | |
| ZCAS4GMSPCB - Caspian 4G Mobo STR PCBa-CONFIDENTIAL Metadata only | Schematics | PDF 1.7 MB | |
| ZCAS4GPREPCB - Caspian 4G PRE-RIAA Assembly-CONFIDENTIAL Metadata only | Schematics | PDF 389 KB | |
| ZCAS4GPSUPCB - Caspian 4G Unreg PSU PCB-CONFIDENTIAL Metadata only | Schematics | PDF 345.3 KB | |
| ZCAS4GSOMETPCB - Caspian 4G SoM Caddy-CONFIDENTIAL Metadata only | Schematics | PDF 2.5 MB | |
| ZCAS4GWIFIPCB - Caspian 4G Dual Band WiFi ANT PCB-CONFIDENTIAL Metadata only | Schematics | PDF 124.1 KB | |
| Operational Description Metadata only | Operational Description | PDF 65.5 KB | |
| Technical Description 10th September 2025- CONFIDENTIAL Metadata only | Operational Description | PDF 74.2 KB |
Application Information
| Application ID | C6TpIZyb27A9HfYtMTMgFA== |
|---|---|
| Final Action Date | 2026-06-17 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0021806815 |
| Model | MA104210 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Caspian 4G Streaming Pre-Amplifier |
| Responsible Party | Thomas Fall, tom.fall@monitoraudio.group , +44 (0)1268 798565 |
| Technical Contact | Jon Green, MONITOR AUDIO LTD., jon.green@monitoraudio.group , 4401268740580 |
| Non-Technical Contact | Tim Payne, FCC US Agent, LLC, Support@FCCUSAgent.com , 708-571-3148 |
| Test Firm | Willem Jong, Kiwa Nederland B.V., dl_radio-certification@kiwa.com  , +31 88 9983393 |
| TCB Email | dl_radio-certification@kiwa.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 | 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 |
|---|---|---|
| C6TpIZyb27A9HfYtMTMgFA== | 2026-06-17 | Class II permissive change or modification of presently authorized equipment |
| Vq3VNPpAV5YLo0tENGNzfw== | 2026-01-21 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0063 | 15C |
Grants
TCB Grant - Application Vq3VNPpAV5YLo0tENGNzfw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Kiwa Nederland B.V. Wilmersdorf 50 Apeldoorn, NL-7300 AC Netherlands |
Date of Grant: 01/21/2026 Application Dated: 01/13/2026 |
| MONITOR AUDIO LTD. |
| Unit 2, 24 Brook Road Rayleigh |
| Essex. England SS6 7XJ, United Kingdom |
| Attention: Thomas Fall , Quality Manager |
| 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: | O7V-MA104210 |
| Name of Grantee: | MONITOR AUDIO LTD. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Caspian 4G Streaming Amplifier / Integrated Amplifier |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0063 |
| Power output listed is conducted. The antenna(s) used for this transmitter must be used 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 must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
TCB Grant - Application C6TpIZyb27A9HfYtMTMgFA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Kiwa Nederland B.V. Wilmersdorf 50 Apeldoorn, NL-7300 AC Netherlands |
Date of Grant: 06/17/2026 Application Dated: 06/15/2026 |
| MONITOR AUDIO LTD. |
| Unit 2, 24 Brook Road Rayleigh |
| Essex. England SS6 7XJ, United Kingdom |
| Attention: Thomas Fall , Quality Manager |
| 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: | O7V-MA104210 |
| Name of Grantee: | MONITOR AUDIO LTD. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Caspian 4G Streaming Pre-Amplifier |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0063 |
| C2PC: to add a third model with minor PCB and associated PSU and transformer and speaker output removed. Power output listed is conducted. The antenna(s) used for this transmitter must be used 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 must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |