YUB-RFASWC1RFASWCTX Wireless Transmitter 257254

257254 RFASWC_TX User Instructions Page 1 of 4 RFASWCTX The RFASWCtx is a wireless transmitter device designed to add steering wheel controls to vehicles that do not have OE steering wheel controls installed. Coupled with the appropriate RFASWCrx module, the RFASWCtx is able to give the driver control of their OEM, or aftermarket radio without taking their hands off the steering wheel. The RFASWCtx can be positioned anywhere on the steering wheel. Interface Components RFASWCtx Keypad Trim ring Strap cover Tools Required For Installation Cutting Tool Mounting the RFASWC transmitter 1. Place button pad in the RFASWCtx with the volume up arrow (^) in the spot where you want volume up to be.(fig. 1) 257254 RFASWC_TX User Instructions Page 2 of 4 2. Insert and twist trim ring clockwise to secure keypad in place. (fig. 2) 3. Install RFASWCtx transmitter in desired place on steering wheel, wrapping the rubber strap around the steering wheel, through the slot, and hook it into the back side of the RFASWCtx. (fig. 3) 257254 RFASWC_TX User Instructions Page 3 of 4 4. Cut off the unused portion of the rubber strap and screw in strap cover with provided screw. (Do not over tighten screw) (fig.4) Setting up the RFASWCtx 1. Press the Red and Green buttons simultaneously for 5 seconds, and then press volume up for two seconds. This will orientate your button direction. 2. Turn on the ignition and press volume up on the RFASWCtx. This will “marry“ the RFASWCtx to the interface. NOTE: If you are replacing a transmitter you must turn on the ignition and within the first 10 seconds press and hold the source button for ten seconds. This will “marry the new transmitter. 257254 RFASWC_TX User Instructions Page 4 of 4 FCC ID: YUB-RFASWC1 IC: 9386A-RFASWC1 This device complies with Part 15 of the FCC Rules. Operation is subject the following two conditions: (1) This device may not cause interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject 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. Warning! Changes or modifications not expressly approved by the manufacturer could void the user's authority to operate the equipment.

Circuit Works, Inc. 21 County Line Road, Somerville, NJ 08876 908-203-9455 Page 1 of 2 January 7, 2011 Compliance Certification Services Certification Division 47173 Benicia Street Fremont, CA 94538 To whom it may concern: We, the undersigned, hereby authorize Advanced Compliance Lab, 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 Lab on our behalf shall have the same effect as acts of our own. We, 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). In authorizing Advanced Compliance as our agent, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; Circuit Works, Inc. 21 County Line Road, Somerville, NJ 08876 908-203-9455 Page 2 of 2 h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to the us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, Bob Entwisle, Sr. Engineer, Circuit Works, Inc.

Circuit Works, Inc. 21 County Line Road, Somerville, NJ 08876 908-203-9455 Page 1 of 1 January 7, 2011 FCC and IC Confidentiality Request (FCC ID: YUB-RFASWC1, IC:9286A-RFASWC1) In accordance with 0.459 & 0.457 of CFR47, please, accept this letter as an official request to have the schematics, block diagram, and the operational description treated as confidential. The information contained within is a result of extensive investment and development effort by Circuit Works, Inc., and its disclosure will compromise Circuit Works, Inc's Intellectual Property and competitive edge. We thus ask the FCC and IC NOT to publish the information mentioned above, in order to protect Circuit Works, Inc's Intellectual Property. Sincerely Yours, Bob Entwisle, Sr. Engineer, Circuit Works, Inc.

FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 19 Figure 6.1 Front View FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 20 Figure 6.2 Rear View

FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 8 2. PRODUCT LABELING Figure 2.1 FCC ID Label Figure 2.2 Location of Label on the Side of EUT Figure 2.2 FCC ID Label Location FCC ID: YUB-RFASWC1 This device complies with part 15 of the FCC Rules. Operating is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Figure 2.1 FCC ID Label FCC Label

FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 21 Figure 6.3 Inside View FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 22 Figure 6.4 Component Side FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 23 Figure 6.5 Foil Side

ELECTROMAGNETIC EMISSION COMPLIANCE REPORT of RFASWCTX WIRELESS TRANSMITTER MODEL: 257254 FCC ID: YUB-RFASWC1 November 29, 2010 This report concerns (check one): Original grant x Class II change Equipment type: Low Power Intentional Radiator Deferred grant requested per 47 CF 0.457(d)(1)(ii)? yes no x If yes, defer until: (date) Company agrees to notify the Commission by (date) of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? yes no x If no, assumed Part 15, Subpart B for unintentional radiators - the new 47 CFR [10-1-90 Edition] provision. Report prepared for: Circuit Works, Inc. Report prepared by: Advanced Compliance Lab Report number: 0048-100927-01 The test result in this report IS supported and covered by the NVLAP accreditation 6 Randolph Way Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 Advanced Compliance Laboratory FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 2 Table of Contents Report Cover Page..................................................................................................... 1 Table of Contents....................................................................................................... 2 Figures........................................................................................................................3 1. GENERAL INFORMATION........................................................................................................ 4 1.1 Verification of Compliance ............................................................................................ 4 1.2 Equipment Modifications............................................................................................... 5 1.3 Product Information....................................................................................................... 6 1.4 Test Methodology ...........................................................................................................6 1.5 Test Facility.................................................................................................................... 6 1.6 Test Equipment ..............................................................................................................6 1.7 Statement for the Document Use ................................................................................... 7 2. PRODUCT LABELING................................................................................................................ 8 3. SYSTEM TEST CONFIGURATION........................................................................................... 9 3.1 Justification .................................................................................................................... 9 3.2 Special Accessories.........................................................................................................9 3.3 Configuration of Tested System..................................................................................... 9 4. SYSTEM SCHEMATICS ............................................................................................................. 13 5. RADIATED EMISSION DATA.................................................................................................... 14 5.1 Field Strength Calculation ............................................................................................. 14 5.2 Test Methods and Conditions ........................................................................................ 14 5.3 Test Data ........................................................................................................................ 14 5.4 Occupied Bandwidth...................................................................................................... 16 6. PHOTOS OF TESTED EUT.........................................................................................................18 FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 3 Figures Figure 2.1 FCC ID Label........................................................................................... 8 Figure 2.2 Location of Label on Back of the EUT.................................................... 8 Figure 3.1 Radiated Test Setup, Position 1............................................................... 10 Figure 3.2 Radiated Test Setup, Position 2............................................................... 10 Figure 3.3 Radiated Test Setup, Position 3............................................................... 11 Figure 3.4 Conducted Test Setup, Front................................................................... 12 Figure 3.5 Conducted Test Setup, Rear.................................................................... 12 Figure 4.1 EUT Schematics ....................................................................................... 13 Figure 5.1 Bandwidth Plot ........................................................................................ 16 Figure 5.2 Pulse Train Timing .................................................................................. 17 Figure 6.1 Front View................................................................................................ 19 Figure 6.2 Rear View ................................................................................................. 20 Figure 6.3 Insider View ............................................................................................. 21 Figure 6.4 Component Side ....................................................................................... 22 Figure 6.5 Foil Side .................................................................................................... 23 FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 F…

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FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 10 Figure 3.1 Radiated Test Setup, position 1-X Figure 3.2 Radiated Test Setup, position 2-Y FCC ID: YUB-RFASWC1 Advanced Compliance Lab, 6 Randolph Way, Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 11 Figure 3.3 Radiated Test Setup, position 3-Z