XYN2503525USB Receiver for radio keyboard

Crestron Electronics, Inc. DOC. 6913A 15 Volvo Drive Rockleigh, NJ 0764 (2027121) Tel: 888.CRESTRON 12.09 Fax: 201.767.7576 Specifications subject to www.crestron.com change without notice. KB-RFUSB Regulatory Compliance As of the date of manufacture, the KB-RFUSB has been tested and found to comply with specifications for CE marking and standards per EMC and Radiocommunications Compliance Labelling. Federal Communications Commission (FCC) Compliance Statement This device complies with part 15 of the FCC rules. Operation is subject to the following 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. 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 separation between the equipment and the 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 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. 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 colocated or operating in conjunction with any other antenna or transmitter. Crestron Electronics, Inc. DOC. 6913A 15 Volvo Drive Rockleigh, NJ 0764 (2027121) Tel: 888.CRESTRON 12.09 Fax: 201.767.7576 Specifications subject to www.crestron.com change without notice. KB-RFUSB Regulatory Compliance As of the date of manufacture, the KB-RFUSB has been tested and found to comply with specifications for CE marking and standards per EMC and Radiocommunications Compliance Labelling. Federal Communications Commission (FCC) Compliance Statement This device complies with part 15 of the FCC rules. Operation is subject to the following 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. 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 separation between the equipment and the 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 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. 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 colocated or operating in conjunction with any other antenna or transmitter. Crestron Electronics, Inc. DOC. 6913A 15 Volvo Drive Rockleigh, NJ 0764 (2027121) Tel: 888.CRESTRON 12.09 Fax: 201.767.7576 Specifications subject to www.crestron.com change without notice. KB-RFUSB Regulatory Compliance As of the date of manufacture, the KB-RFUSB has been tested and found to comply with specifications for CE marking and standards per EMC and Radiocommunications Compliance Labelling. Federal Communications Commission (FCC) Compliance Statement This device complies with part 15 of the FCC rules. Operation is subject to the following 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. 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 …

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24.03.2010 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Re: Request of Confidentiality Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission’s Rules, our Applicant hereby requests confidential treatment of information accompanying as outlined below for the following FCC ID: XYN2503525 Schematics, Operating Description Block Diagram Parts List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this Application. Sincerely, Mr. Thomas Ring Manager Certification mikes-testingpartners gmbh Ohmstrasse 2-4 94342 Strasskirchen Germany Phone: 0049 9424 9481 0 Fax: 0049 9424 9481 240

mikes-testingpartners gmbh File No. T33922-00-03HS, page 5 of 26 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 3 EQUIPMENT UNDER TEST 3.1 Photo documentation of the EUT External views: USB stick receiver USB dome receiver mikes-testingpartners gmbh File No. T33922-00-03HS, page 6 of 26 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 Internal views:

mikes-testingpartners gmbh File No. T33922-00-03HS, page 5 of 26 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 3 EQUIPMENT UNDER TEST 3.1 Photo documentation of the EUT External views: USB stick receiver USB dome receiver

mikes-testingpartners gmbh File No. T33922-00-03HS, page 6 of 26 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 Internal views: mikes-testingpartners gmbh File No. T33922-00-03HS, page 7 of 26 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 mikes-testingpartners gmbh File No. T33922-00-03HS, page 8 of 26 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009

mikes-testingpartners gmbh File No. T33922-00-03HS, page 1 of 32 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 EMI -- T E S T R E P O R T - FCC Part 15.249 - Test Report No. : T33922-00-03HS 13 April 2010 ______________________________________________________________________________________________ Date of issue Type / Model Name : USB Receiver, 2503-525 Product Description : Receiver for radio keyboard Applicant : ruwido austria gmbh Address : Koestendorfer Str. 8 5202 NEUMARKT, AUSTRIA Manufacturer : ruwido austria gmbh Address : Koestendorfer Str. 8 5202 NEUMARKT, AUSTRIA Licence holder : ruwido austria gmbh Address : Koestendorfer Str. 8 5202 NEUMARKT, AUSTRIA Test Result according to the standards listed in clause 1 test standards: POSITIVE The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test results without the written permission of the test laboratory. DAT-P-207/05-00 Registration No. DAT-P-207/05 mikes-testingpartners gmbh File No. T33922-00-03HS, page 2 of 32 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 Contents 1 TEST STANDARDS 3 2 SUMMARY 4 3 EQUIPMENT UNDER TEST 5 3.1 Photo documentation of the EUT 5 3.2 Power supply system utilised 9 3.3 Short description of the equipment under test (EUT) 9 4 TEST ENVIRONMENT 10 4.1 Address of the test laboratory 10 4.2 Environmental conditions 10 4.3 Statement of the measurement uncertainty 10 4.4 Measurement protocol for FCC, VCCI and AUSTEL 10 4.5 Determination of worst case measurement conditions 12 5 TEST CONDITIONS AND RESULTS 13 5.1 Conducted emissions 13 5.2 Radiated emission of the fundamental wave 19 5.3 Spurious emissions radiated 21 5.4 20 dB bandwidth 27 5.5 Antenna application 28 5.6 Receiver conducted disturbance 28 5.7 Receiver radiated emissions 29 6 USED TEST EQUIPMENT AND ACCESSORIES 32 mikes-testingpartners gmbh File No. T33922-00-03HS, page 3 of 32 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 1 TEST STANDARDS The tests were performed according to following standards: FCC Rules and Regulations Part 15, Subpart A - General (October, 2009) Part 15, Subpart A, Section 15.31 Measurement standards Part 15, Subpart A, Section 15.33 Frequency range of radiated measurements Part 15, Subpart A, Section 15.35 Measurement detector functions and bandwidths FCC Rules and Regulations Part 15 Subpart B - Unintentional Radiators (October, 2009) Part 15, Subpart B, Section 15.107 AC Line conducted emissions Class A device Class B device Part 15, Subpart B, Section 15.109 Radiated emissions, general requirements FCC Rules and Regulations Part 15, Subpart C - Intentional Radiators (October, 2009) Part 15, Subpart C, Section 15.203 Antenna requirement Part 15, Subpart C, Section 15.204 External radio frequency power amplifiers and antenna modifications Part 15, Subpart C, Section 15.205 Restricted bands of operation Part 15, Subpart C, Section 15.207 Conducted limits Part 15, Subpart C, Section 15.209 Radiated emission limits, general requirements Part 15, Subpart C, Section 15.249 Operation within the bands 902 - 928 MHz, 2400 - 2483.5 MHz and 5725 - 5850 MHz ANSI C63.4: 2009 Methods of Measurement of Radio-Noise Emissions from Low- Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz. ANSI C95.1:1992 IEEE Standard for Safety Levels with respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz CISPR 16-4-2: 2003 Uncertainty in EMC measurement CISPR 22: 2005 Information technology equipment EN 55022: 2006 mikes-testingpartners gmbh File No. T33922-00-03HS, page 4 of 32 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 2 SUMMARY GENERAL REMARKS: The EUT is a wireless transceiver based on wireless USB-Protocol. The transceiver provides 1 - 79 channels in the 2.4 GHz frequency range. In the case a transmitting channel will be disturbed by another application, a dynamic channel selection helps to be less sensible against interference. The EUT is limited by firmware to 250 kbps (8DR mode) and the DSSS modulation method of the base band. The operation mode RX is the default mode. TX mode is used only at the first pairing with a wireless keyboard. The EUT works with the TDMA method and acknowledge every succeeded packet. In RX mode the USB is active and transmits the received data to the PC. The EUT has the following variants: Receiver Model number USB dome receiver 2503-525 USB stick receiver 2509-5 FINAL ASSESSMENT: The equipment under test fulfills the EMI requirements cited in clause 1 test standards. Date of receipt of test sample : acc. to storage records Testing commenced on : 07 December 2009 Testing concluded on : 11 January 2010 Checked by: Tested by: Klaus Gegenfurtner Dipl. Ing.(FH) Manager: Radio Group Hermann Smetana Dipl.-Ing.(FH) Radio Expert mikes-testingpartners gmbh File No. T33922-00-03HS, page 5 of 32 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 3 EQUIPMENT UNDER TEST 3.1 Photo documentation of the EUT External views: USB stick receiver USB dome receiver mikes-testingpartners gmbh File No. T33922-00-03HS, page 6 of 32 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 Internal views: mikes-testingpartners gmbh File No. T33922-00-03HS, page 7 of 32 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 mikes-testingpartners gmbh File No. T33922-00-03HS, page 8 of 32 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 mikes-testingpartners gmbh File No. T33922-00-03H…

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mikes-testingpartners gmbh File No. T33922-00-03HS, page 14 of 34 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 5 TEST CONDITIONS AND RESULTS 5.1 Conducted emissions For test instruments and accessories used see section 6 Part A 4. 5.1.1 Description of the test location Test location: NONE Remarks: The measurement is not applicable. The EUT is battery powered. 5.2 Radiated emission of the fundamental wave For test instruments and accessories used see section 6 Part CPR 3. 5.2.1 Description of the test location Test location: Anechoic Chamber A2 Test distance: 3 metres 5.2.2 Photo documentation of the test set-up 5.2.3 Applicable standard According to FCC Part 15C, Section 15.249(a): mikes-testingpartners gmbh File No. T33922-00-03HS, page 17 of 34 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009 5.3 Spurious emissions radiated For test instruments and accessories used see section 6 Part SER 2, SER 3. 5.3.1 Description of the test location Test location: OATS 1 Test location: Anechoic Chamber A2 Test distance: 3 metres 5.3.2 Photo documentation of the test set-up Open area test site Anechoic chamber mikes-testingpartners gmbh File No. T33922-00-03HS, page 18 of 34 Ohmstrasse 2-4 x 94342 STRASSKIRCHEN x GERMANY Tel.:+49(0)9424-94810 x Fax: ++49(0)9424-9481240 Rev. No. 1.1, 25.2.2009