EROCWD71912.4GHz two-way RF transceiver module

Crestron Electronics Inc

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Application Details

Equipment Class: DTS - Digital Transmission System
Date of Grant: Apr 02, 2013
Application Purpose: Original Equipment
Date of Application: Apr 02, 2013
Equipment Note: 2.4GHz two-way RF transceiver module
Frequency Range: 2405.00000000 - 2480.00000000
Company: Crestron Electronics Inc
Country: United States

Documents & Files

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

Crestron CWD7191 Two-Way RF Transceiver Module Operations Guide This document was written by the Technical Publications department at Crestron. ©2013 Crestron Electronics, Inc. Regulatory Compliance Federal Communications Commission (FCC) Compliance Statement CAUTION: Changes or modifications not expressly approved by the manufacturer responsible for compliance could void the user’s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:  Reorient or relocate the receiving antenna  Increase the separation between the equipment and receiver  Connect the equipment into an outlet on a circuit different from that to which the receiver is connected  Consult the dealer or an experienced radio/TV technician for help Industry Canada (IC) Compliance Statement This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. This radio transmitter, IC: 5683C-CWD7191, has been approved by Industry Canada to operate with the antenna types listed below with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Antenna Type: Dipole, Maximum permissible antenna gain: 2.5 dBi, Impedance: 50 Ohms Industrie Canada (IC) Déclaration de conformité Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le présent émetteur radio , IC: 5683C-CWD7191, a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés ci-dessous et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur. Type d'antenne: Dipole, Gain admissible maximal: 2.5 dBi, Impédance: 50 Ohms To satisfy RF exposure requirements, this device and its antenna must operate with a separation distance of at least 20 centimeters from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter. Crestron CWD7191 Two-Way RF Transceiver Module Operations Guide - DOC. 7439C Contents  i Contents Two-Way RF Transceiver Module: CWD7191 .............................................. 1 Functions and Features .............................................................................................................. 1 Specifications ............................................................................................................................. 2 Physical Description – CWD7191 with a SMD Antenna .......................................................... 3 Physical Description – CWD7191 with a Dipole Antenna ........................................................ 4 Connectors ................................................................................................................................. 5 Ports ............................................................................................................................. 5 Power/I-O .................................................................................................................... 5 Setup .......................................................................................................................................... 7 Labeling ..................................................................................................................................... 7 Documentation ........................................................................................................................... 7 Crestron CWD7191 Two-Way RF Transceiver Module Operations Guide - DOC. 7439C Two-Way RF Transceiver…

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Cover Letter(s)

Crestron Electronics, Inc. 22 Link Drive Rockleigh, NJ 07647 Tel: 800.237.2041/ 201.767.3400 Fax: 201.767.7576 www.crestron.com March 18, 2013 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Subject: FCC Certification Application FCC ID: EROCWD7191 To whom it may concern: I, the undersigned, hereby authorize Sam Wismer at Advanced Compliance Solutions, Inc. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Advanced Compliance Solutions, Inc. on our behalf shall have the same effect as acts of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). This authorization is valid for the above-referenced application. Best Regards Crestron Electronics Inc. Grace Lin Sr. Compliance Engineer Email: [email protected] Telephone: 201-750-7004 extension 11464

Cover Letter(s)

Crestron Electronics, Inc. 22 Link Drive Rockleigh, NJ 07647 Tel: 800.237.2041/ 201.767.3400 Fax: 201.767.7576 www.crestron.com March 12, 2013 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality FCC ID: EROCWD7191 To Whom It May Concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to permanently withhold the following attachments as confidential document from public disclosure. Schematic Diagram Block Diagram Theory of Operation Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Best Regards Crestron Electronics Inc. Grace Lin Sr. Compliance Engineer Email: [email protected] Telephone: 201-750-7004 extension 11464

Cover Letter(s)

5015 B. U. Bowman Dr. Buford, GA 30518 March 18, 2013 ACS TCB 5015 B.U. Bowman Drive Buford, GA 30518 Re: FCC ID: EROCWD7191 To Whom It May Concern: The following application is submitted on behalf of our client, Crestron Electronics Inc, for evaluation of their model CWD7191 for single modular approval certification under FCC Part 15.247. The CWD7191, with a dipole antenna or an integrated SMD antenna, is a two-way radio frequency (RF) module that utilizes the 2.4 GHz frequency band to communicate with other devices. The module operates according to the IEEE 802.15.4 specification and can be configured to minimize the possibility of interference with other devices. The CWD7191 was tested in full to the requirements of the aforementioned rules and was found to be in compliance. Sincerely, Sam Wismer Vice President, Technology Advanced Compliance Solutions, Inc.

Cover Letter(s)

Crestron Electronics, Inc. 22 Link Drive Rockleigh, NJ 07647 Tel: 800.237.2041/ 201.767.3400 Fax: 201.767.7576 www.crestron.com Transmitter Modular Approval Attestation April 2, 2013 Subject: FCC ID: EROCWD7191, IC: 5683C-CWD7191 To Whom It May Concern: The following attestation addresses the requirements to support modular approval as required by the FCC and IC. Rule Sections Description FCC Part 15 IC RSS-Gen §15.212 (a) §3.2 This module is a single modular transmitter consists of a completely self- contained RF transmitter device that is typically incorporated into another product, host, or device. §15.212 (a)(1)(i) §3.2 The module has integral RF shielding to isolate it from surrounding equipment and the large environment in general. §15.212 (a)(1)(ii) §3.2 All inputs are processed as data by the radio control element. The outside user has no direct control of transmit modulation. §15.212 (a)(1)(iii) §3.2 The radio front end contains a linear regulator to regulate device operation over voltage variations and to limit the output power under high voltage conditions. §15.212 (a)(1)(iv) §3.2 This module is validated with a dipole antenna and an integral SMD antenna. The RP-SMA antenna connector for the dipole antenna is unique in the sense of complying with FCC §15.203, §15.204(b), and §15.204(c). §15.212 (a)(1)(v) §3.2 The module was tested in a stand-alone configuration. It complies with the AC line conducted requirements found in FCC §15.207 and IC RSS-Gen Table 2 requirements. §15.212 (a)(1)(vi) §3.2 An ID label is affixed to each unit at the time of manufacture. Information is also clearly presented in the user guide about labeling requirements for the final assembly. §15.212 (a)(1)(vii) §3.2 This module is compliant with FCC §15.247 and IC RSS-Gen/RSS-210 rules. Installation and other requirements are presented in the user guide to allow the unit to be correctly installed. §15.212 (a)(1)(viii) §5.6 This module is compliant with the RF exposure requirements of FCC Parts §15.247, §15.1091, §15.1093, and IC RSS-Gen §5.5. Please feel free to contact us with any additional questions or information. Best Regards Crestron Electronics Inc. Grace Lin Sr. Compliance Engineer Email: [email protected], Telephone: 201-750-7004 extension 11464

External Photos

ID Label/Location Info

Internal Photos

RF Exposure Info

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Certification Exhibit FCC ID: EROCWD7191 IC: 5683C-CWD7191 FCC Rule Part: 15.247 IC Radio Standards Specification: RSS-210 ACS Project Number: 13-0118 Manufacturer: Crestron Electronics Inc Model: CWD7191 RF Exposure Model: CWD7191FCC ID: EROCWD7191IC: 5683C-CWD7191 ACS Project: 13-0118Advanced Compliance SolutionsPage 2 General Information: Applicant:Crestron Electronics Inc Device Category:Mobile Environment:General Population/Uncontrolled Exposure Technical Information – Dipole Antenna: Antenna Type: Dipole Antenna Gain: 2.5dBi Maximum Transmitter Conducted Power: 20.55 dBm, 113.501 mW Maximum System EIRP: 23.05 dBm, 201.837 mW Exposure Conditions: Greater than 20 centimeters Technical Information – Integral Antenna: Antenna Type: SMD Chip Antenna Gain: 1.8dBi Maximum Transmitter Conducted Power: 20.55dBm, 113.501 mW Maximum System EIRP: 22.35 dBm, 171.791 mW Exposure Conditions: Greater than 20 centimeters MPE Calculation The Power Density (mW/cm 2 ) is calculated as follows: S = 2 4R PG  Where: S = power density (in appropriate units, e.g. mW/cm2) P = power input to the antenna (in appropriate units, e.g., mW) G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna (appropriate units, e.g., cm) MPE Calculator for Mobile Equipment Limits for General Population/Uncontrolled Exposure* 240520.551.00113.502.51.778 200.040 Power Density (mW/cm^2) Distance (cm) Transmit Frequency (MHz) Radio Power (dBm) Power Density Limit (mW/Cm2) Radio Power (mW) Antenna Gain (dBi) Antenna Gain (mW eq.) MPE Calculator for Mobile Equipment Limits for General Population/Uncontrolled Exposure* 240520.551.00113.501.81.514 200.034 Power Density (mW/cm^2) Distance (cm) Transmit Frequency (MHz) Radio Power (dBm) Power Density Limit (mW/Cm2) Radio Power (mW) Antenna Gain (dBi) Antenna Gain (mW eq.) Installation Guidelines The installation manual should contain text similar to the following advising how to install the equipment to maintain compliance with the FCC RF exposure requirements: RF Exposure In accordance with FCC requirements of human exposure to radio frequency fields, the radiating element shall be installed such that a minimum separation distance of 20 centimeters will be maintained. Model: CWD7191FCC ID: EROCWD7191IC: 5683C-CWD7191 ACS Project: 13-0118Advanced Compliance SolutionsPage 3 Conclusion This device complies with the MPE requirements by providing adequate separation between the device, any radiating structure and the general population.

Test Report

5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 Certification Test Report FCC ID: EROCWD7191 IC: 5683C-CWD7191 FCC Rule Part: 15.247 IC Radio Standards Specification: RSS-210 ACS Report Number: 13-0118.W06.1A Manufacturer: Crestron Electronics, Inc Model: CWD7191 Test Begin Date: March 13, 2013 Test End Date: March 14, 2013 Report Issue Date: March 22, 2013 FOR THE SCOPE OF ACCREDITATION UNDER LAB Code 200612-0 This report must not be used by the client to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the Federal Government. Reviewed by: Kirby Munroe Director, Wireless Certifications ACS, Inc. This test report shall not be reproduced except in full. This report may be reproduced in part with prior written consent of ACS, Inc. The results contained in this report are representative of the sample(s) submitted for evaluation. This report contains 22 pages 5015 B.U. Bowman Drive Buford, GA 30518 USA Voice: 770-831-8048 Fax: 770-831-8598 TABLE OF CONTENTS 1GENERAL ............................................................................................................................................ 3 1.1PURPOSE.......................................................................................................................................... 3 1.2PRODUCTDESCRIPTION................................................................................................................... 3 1.3TESTMETHODOLOGY ANDCONSIDERATIONS................................................................................. 3 2TEST FACILITIES.............................................................................................................................. 4 2.1LOCATION....................................................................................................................................... 4 2.2LABORATORYACCREDITATIONS/RECOGNITIONS/CERTIFICATIONS................................................ 4 2.3RADIATEDEMISSIONSTESTSITEDESCRIPTION.............................................................................. 5 2.3.1Semi-Anechoic Chamber Test Site .......................................................................................... 5 2.3.2Open Area Tests Site (OATS) ................................................................................................. 6 2.4CONDUCTEDEMISSIONSTESTSITEDESCRIPTION........................................................................... 7 3APPLICABLE STANDARD REFERENCES.................................................................................... 7 4LIST OF TEST EQUIPMENT............................................................................................................ 8 5SUPPORT EQUIPMENT .................................................................................................................... 9 6EQUIPMENT UNDER TEST SETUP BLOCK DIAGRAM ........................................................... 9 7SUMMARY OF TESTS ......................................................................................................................10 7.1ANTENNAREQUIREMENT–FCC:SECTION15.203 ........................................................................10 7.2POWERLINECONDUCTEDEMISSIONS–FCC:SECTION15.207,IC:RSS-GEN7.2.4......................10 7.2.1Measurement Procedure........................................................................................................10 7.2.2Measurement Results .............................................................................................................10 7.36DB/99%BANDWIDTH–FCC:SECTION15.247(A)(2),IC:RSS-210A8.2(A)..............................12 7.3.1Measurement Procedure........................................................................................................12 7.3.2Measurement Results .............................................................................................................12 7.4FUNDAMENTALEMISSIONOUTPUTPOWER–FCC:SECTION15.247(B)(3),IC:RSS-210A8.4(4).14 7.4.1Measurement Procedure........................................................................................................14 7.4.2Measurement Results .............................................................................................................14 7.5MAXIMUMUNWANTEDEMISSIONLEVELS–FCC:SECTION15.247(D),15.205IC:RSS-2102.2, A8.515 7.5.1Unwanted Emissions into Non-restricted Frequency Bands .................................................15 7.5.1.1Measurement Procedure ..........................................................................................................................15 7.5.1.2Measurement Results ..............................................................................................................................15 7.5.2Unwanted Emissions into Restricted Frequency Bands ........................................................18 7.5.2.1Measurement Procedure ..........................................................................................................................18 7.5.2.2Duty Cycle Correction.............................................................................................................................18 7.5.2.3Measurement Results ..............................................................................................................................19 7.5.2.4Sample Calculation:.................................................................................................................................20 7.6MAXIMUMPOWERSPECTRALDENSITY IN THEFUNDAMENTALEMISSION–FCC:SECTION 15.247(E)IC:RSS-210A8.2(B) .................................................................................................................21 7.6.1Measurement Procedure........................................................................................................21 7.6.2Measurement Results ................................................................…

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Test Setup Photos

Contact Information

Applicant

Chirag Patel(Lead Compliance Engineer)

[email protected]201-750-7004Fax: 201-767-5771

Test Firm

Advanced Compliance Solutions, Inc.Randy Abernathy

[email protected]770-831-8048Fax: 770-831-8598

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	113.00 mW

Modular Type

Single Modular Approval

Confidentiality

Long Term

Grant Notes

Modular Approval. Power listed is conducted. Output power as shown in this filing is reduced at upper channels for compliance with restricted band-edge requirements. Device must operate with a source-based, time-averaged duty cycle not to exceed 18.27%, controlled by firmware or software. Power not to exceed 0.60mW when transmitting on 2480 MHz. This modular approval is limited to products operating as mobile or fixed transmitting device. The antenna(s) used for this transmitter must not be collocated or operating in conjunction with any other antenna or transmitter, except as evaluated in this filing. End-users must be provided with transmitter operation conditions for satisfying RF exposure compliance. Separate approval is required for all other operating configurations, including portable configurations with respect to 2.1093 and different antenna configurations.