FCC ID CWWP25XXDE4
Power Amplifier AB to C Class
by Crescend Technologies LLC
Grantee Code: CWW Product Code: P25XXDE4
Latest application date: 2025-09-17
FCC ID Device Details
| FCC ID | CWWP25XXDE4 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | CWW |
| Product Code | P25XXDE4 |
| Applicant Business | Crescend Technologies LLC 🇺🇸 |
| Related Domains | |
| Equipment Class | Power Amplifier AB to C Class |
| Test Firm | IIA LAB SERVICES, LLC |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 161.575-161.775 MHz | Original Equipment | 2025-09-17 |
| 162.038-173.4 MHz | Original Equipment | 2025-09-17 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-09-17 | PDF 498.2 KB |
| Internal Photos | Internal Photos | 2026-03-16 | PDF 4.5 MB |
| External Photos | External Photos | 2025-09-17 | PDF 2.5 MB |
| Booster Warning Label | ID Label/Location Info | 2025-09-17 | PDF 2.1 MB |
| Label Sample and Location | ID Label/Location Info | 2025-09-17 | PDF 355.7 KB |
| TSUP | Test Setup Photos | 2025-09-17 | PDF 1.6 MB |
| Test Report | Test Report | 2025-09-17 | PDF 1.1 MB |
| Att Statements 2.911(d)(5)(7) | Attestation Statements | 2025-09-17 | PDF 315 KB |
| Att Statements 2.911(d)(5)(i) | Attestation Statements | 2025-09-17 | PDF 339.5 KB |
| Att Statements 2.911(d)(5)(ii) | Attestation Statements | 2025-09-17 | PDF 342.1 KB |
| Part 90.203 Tuning Attestation | Cover Letter(s) | 2025-09-17 | PDF 275.5 KB |
| Warning Label Attestation | Attestation Statements | 2025-09-17 | PDF 314.6 KB |
| Confidentiality Letter | Cover Letter(s) | 2025-09-17 | PDF 384.8 KB |
| POA Letter | Cover Letter(s) | 2025-09-17 | PDF 95.4 KB |
| RF Exposure MPE | RF Exposure Info | 2025-09-17 | PDF 348.7 KB |
| Block Diagram Metadata only | Block Diagram | PDF 52.5 KB | |
| Schematics Metadata only | Schematics | PDF 306.8 KB | |
| Operational Description Metadata only | Operational Description | PDF 1 MB | |
| Parts List Metadata only | Parts List/Tune Up Info | PDF 135.4 KB | |
| Tune-Up Procedure Metadata only | Parts List/Tune Up Info | PDF 177.4 KB |
Application Information
| Application ID | uu9SB2CraaJb/+XiEjYGKg== |
|---|---|
| Final Action Date | 2025-09-17 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0004288767 |
| Model | P25XXDE4 |
| Frequency Range | 161.575-161.775 MHz |
| Equipment Class | B2I - Part 20 Industrial Booster (CMRS) |
| Device Description | Power Amplifier AB to C Class |
| Responsible Party | James Hougo, jhougo@crescendrf.com |
| Test Firm | Bruno Clavier, IIA LAB SERVICES, LLC, bruno.clavier@industrial-ia.com |
| TCB Email | tei@timcoengr.com |
| TCB Scope | B1: Commercial mobile radio services equipment in the following 47 CFR Parts 20, 22 (cellular), 24,25 (below 3 GHz) & 27 |
| 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 |
|---|---|---|
| uu9SB2CraaJb/+XiEjYGKg== | 2025-09-17 | Original Equipment |
| FNNyp+ELoWuQmjfgMDE3/g== | 2025-09-17 | Original Equipment |
Equipment Authorization
| Frequency | Output | Tolerance | Emission | Rules |
|---|---|---|---|---|
| 150.8-152.855 MHz | 250.0 | Amp | F3E | 22H |
| 161.575-161.775 MHz | 250.0 | Amp | F3E | 22H |
| 150.8-152.855 MHz | 250.0 | Amp | F1E | 22H |
| 161.575-161.775 MHz | 250.0 | Amp | F1E | 22H |
| 150.8-152.855 MHz | 250.0 | Amp | F1D | 22H |
| 161.575-161.775 MHz | 250.0 | Amp | F1D | 22H |
| 150.8-152.855 MHz | 250.0 | Amp | F3E | 90 |
| 152.855-156.248 MHz | 250.0 | Amp | F3E | 90 |
| 157.188-161.575 MHz | 250.0 | Amp | F3E | 90 |
| 162.038-173.4 MHz | 250.0 | Amp | F3E | 90 |
| 150.8-152.855 MHz | 250.0 | Amp | F1E | 90 |
| 152.855-156.248 MHz | 250.0 | Amp | F1E | 90 |
| 157.188-161.575 MHz | 250.0 | Amp | F1E | 90 |
| 162.038-173.4 MHz | 250.0 | Amp | F1E | 90 |
| 150.8-152.855 MHz | 250.0 | Amp | F1D | 90 |
| 152.855-156.248 MHz | 250.0 | Amp | F1D | 90 |
| 157.188-161.575 MHz | 250.0 | Amp | F1D | 90 |
| 162.038-173.4 MHz | 250.0 | Amp | F1D | 90 |
Grants
TCB Grant - Application uu9SB2CraaJb/+XiEjYGKg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 09/17/2025 Application Dated: 09/17/2025 |
| Crescend Technologies LLC |
| 100 High Grove Blvd. |
| Glendale Heights, IL 60139 |
| Attention: James Hougo , President |
| 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: | CWWP25XXDE4 |
| Name of Grantee: | Crescend Technologies LLC |
| Equipment Class: | Part 20 Industrial Booster (CMRS) |
| Notes: | Power Amplifier AB to C Class |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 22H | 150.8 - 152.855 | 250.0 | Amp | F3E | |
| 22H | 161.575 - 161.775 | 250.0 | Amp | F3E | |
| 22H | 150.8 - 152.855 | 250.0 | Amp | F1E | |
| 22H | 161.575 - 161.775 | 250.0 | Amp | F1E | |
| 22H | 150.8 - 152.855 | 250.0 | Amp | F1D | |
| 22H | 161.575 - 161.775 | 250.0 | Amp | F1D |
| Part 90.219 VHF signal Booster. Power output is conducted. The intended use is generally for industrial/commercial/public safety use and will not be sold to the general public. Professional installation is required. The antenna(s) used for this transmitter are to be fixed-mounted on indoor or outdoor structures. RF exposure compliance will need to be addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-location requirements of Sec. 1.1307(b)(3). This repeater is for private use and public safety operation. Class B signal booster. |
TCB Grant - Application FNNyp+ELoWuQmjfgMDE3/g==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 09/17/2025 Application Dated: 09/17/2025 |
| Crescend Technologies LLC |
| 100 High Grove Blvd. |
| Glendale Heights, IL 60139 |
| Attention: James Hougo , President |
| 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: | CWWP25XXDE4 |
| Name of Grantee: | Crescend Technologies LLC |
| Equipment Class: | Part 90 Class B Industrial Booster (non-SMR) |
| Notes: | Power Amplifier AB to C Class |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 90 | 150.8 - 152.855 | 250.0 | Amp | F3E | |
| 90 | 152.855 - 156.2475 | 250.0 | Amp | F3E | |
| 90 | 157.1875 - 161.575 | 250.0 | Amp | F3E | |
| 90 | 162.0375 - 173.4 | 250.0 | Amp | F3E | |
| 90 | 150.8 - 152.855 | 250.0 | Amp | F1E | |
| 90 | 152.855 - 156.2475 | 250.0 | Amp | F1E | |
| 90 | 157.1875 - 161.575 | 250.0 | Amp | F1E | |
| 90 | 162.0375 - 173.4 | 250.0 | Amp | F1E | |
| 90 | 150.8 - 152.855 | 250.0 | Amp | F1D | |
| 90 | 152.855 - 156.2475 | 250.0 | Amp | F1D | |
| 90 | 157.1875 - 161.575 | 250.0 | Amp | F1D | |
| 90 | 162.0375 - 173.4 | 250.0 | Amp | F1D |
| Part 90.219 VHF signal Booster. Power output is conducted. The intended use is generally for industrial/commercial/public safety use and will not be sold to the general public. Professional installation is required. The antenna(s) used for this transmitter are to be fixed-mounted on indoor or outdoor structures. RF exposure compliance will need to be addressed at the time of licensing, as required by the responsible FCC Bureau(s), including antenna co-location requirements of Sec. 1.1307(b)(3). This repeater is for private use and public safety operation. Class B signal booster. |